PROF.DR. FEHMİ EKMEKÇİ    
Name : FEHMİ
Surname : EKMEKÇİ
E-Mail : fekmekci@science.ankara.edu.tr
Phone Number : (0312) 212 67 20-1273
Title : PROF.DR.
Unit : FACULTY OF SCIENCES
Department : Astronomy and Space Sciences
Personal Information

CIRRICULUM VITAE

 

Name Surname : Fehmi EKMEKÇİ                                                            

Title                       : Prof. Dr.

Place of Birth       : Antakya

Date of Birth        : July 01, 1956

Martial Status      : Married (2 children)

Address                : Ankara Universityi, Faculty of Science,

  Dept. Astronomy and Space Sceinces, TR- 06100,

                                 Tandoğan-ANKARA, TURKEY, Tel: +90 312 212 67 20/1273

e-mail                   : fekmekci@science.ankara.edu.tr

Languages           : Turkish (Nat.), English (RWS), Arabic (RWS-intermediate)

 

Education:

Degree

Field

Institude

Year

BSc

Astronomy-Physics

Ege University,Faculty of Science

1982

MSc

Astronomy and Space Sciences

Ege Univ. Grad. School of  Natural & Applied Sciences

1984

PhD

Astronomy and Space Sciences

Ankara Univ Grad. School of  Natural & Applied Sciences

1993

 

Academic Titles:

Title

Intitution

Year

Research Assistant

Ankara University, Faculty of Science

1986 – 1993

Assist. Prof.

Ankara University, Faculty of Science

1993 – 2009

Assoc. Prof.

Ankara University, Faculty of Science

2004 – 2013

Prof.

Ankara University, Faculty of Science

2013 -

        

Administrational Duties:

Ank.Univ. Department of Astronomy and Space Sciences – Vice Head

1995 - 2000

Ankara Univ., Faculty of Science -  Equivalence commissioner

1999 - 2009

Ank.Univ. Astron. and Space Sci. Res. and Appl. Center  - Executive Committee member

2006 – 2009

TUBITAK National Observatory of Turkey – Academic Committee member

2007 - 2009

Ank.Univ. Astron. and Space Sci. Res. and Appl. Center  - Executive Committee member

2012 - today

Ank.Univ. Astron. and Space Sci. Res. and Appl. Center – Co-Director

2012- today

 

 

 

 

 

Research Field:

- Spectral analysis of chromosferically active stars.

- Light curve orbital period analyses of  interacting binary stars.           

- Photometric light curve analysis of chromosperically active binary stars.

- Stellar activity, astrophsics.

- Period analysis of  d Scuti and RR Lyratype pulsation stars.

 

Research Projects:

– Analaysis of the ultraviolet spectra of RS CVn type stars, (1993), Ankara

    Univ. Research Fund. Project no: 87-25-00-12 (PhD thesis prıject, completed).

– Photoelectric Photometry of some Interacting Binary Stars,, (1999),

TUBITAK Research Project no:TBAG-1369 (co-researcher, completed).

– Photometric characteristics of delta Scuti type variable stars: CC And and V350 Peg, (2005)

   TUG - National Observatory of TURKEY, Project no: 231 and 243 (PI, completed).

– Photometric analysis of RR Lyrae type variable stars: T Sex, RR Leo and ST Boo,  (2007)

   TUG - National Observatory of TURKEY, Project no: TUG-T40.07.02 (PI, completed).

–  CCD observation of active binary system V772, (2007)

   TUG - National Observatory of TURKEY, Project no: TUG-T40.07.03 and TUG-YT40.07.31 (PI, completed).

– A survey of the circumstellar matter around chromospherically active binary systems,  (2010)

   TUG - National Observatory of TURKEY, Project no:10AT100-154 (PI, continued).

– A survey of the circumstellar matter around chromospherically active binary systems,  (2013)

   TUG - National Observatory of TURKEY, Project no:13ARTT150-406-1 (PI, continued).

 

Professional Membership:

Turkish Astronomical Society

 

Graduate Students: (theses are in Turkish language)

1- Osman KARAKUŞ.......................................... (MSc – February 2001 completed)

         Thesis Title: Analysis of ultraviolet spectra of binary system s Gem

2- Taner TANRIVERDİ...................................... (MSc – January 2003 completed)

         Thesis Title: The ultraviolet spectral characteristics of A-Type Emission-Line supergiant stars: 6 Cas,  

                            a Cyg(Deneb), HR 1040

3- Selçuk TOPAL .................................................  (MSc – November 2006 completed)

         Thesis Title: Photometric characteristics of  delta Scuti type variable stars:  CC And and V350 Peg

4- Lale ÇELİK…………………….................. (MSc –July 2008 completed)

         Thesis Title: Photometric analysis of RR Lyrae type variable stars: T Sex, RR Leo and ST Boo

5- Figen Zehra ERİŞ............................................ (MSc – October 2008 completed)

         Thesis Title: Photometric and spectroscopic characteristics of Wolf Rayet star V444 Cyg

6- Neslihan ALAN................................................ (MSc – November 2008 completed)

         Thesis Title: Photometric analysis of an active binary system V772 Her

7- Osman KARAKUŞ………………………...(PhD - continued – thesis stage)

         Thesis Title: A survey of the extended matter around chromospherically active binary systems

8- Lale ÇELİK...................................................... (PhD – continued – thesis stage)

         Thesis Title: The Frequency Analysis of  Some  RR Lyrae Type Stars With Blazhko Effect

9- Figen Zehra ERİŞ............................................ .(PhD – continued – thesis stage)

         Thesis Title: A survey of the evolutionary status and the wind characteristics of WN and WC type

                                                    Wolf-Rayet stars

10- Neslihan ALAN.............................................. .(PhD – continued )


 

Taught Courses (Undergraduate and Graduate):

Academic Year

Semester

Course Name

Weekly hours

Number of Students

Teo.

Appl.

1993 - 1994

Fall

  A401 Astrophysics II

   (Pri. education)

4

0

46

Spring

A212 General Astronomy II

(Pri. education.)

3

0

70

A204 Spherical Astronomy (Pri. education

3

2

60

A406 Practical Astronomy

(Pri. education)

1

4

49

1994 - 1995

Fall

A211 General Astronomy I

 (Pri. education)

3

0

80

A411 Galaxies (Pri. education)

3

0

6

Spring

A204 Spherical Astronomy (Pri. education)

3

2

60

A212 General Astronomy II

(Pri. education)

3

0

60

A406 Practical Astronomi (Pri. education)

1

4

67

1995 - 1996

Fall

A211 General Astronomy I (Pri. education)

3

0

110

A401 Astrophysics II

(Pri. education)

4

0

97

Spring

A204 Spherical Astronomy

(Pri. education)

3

2

51

A212 General Astronomy II

(Pri. education)

3

0

93

A406 Practical Astronomy

(Pri. + Sec. education)

1

4

72+11=83

A518 Models for internal structure of stars and stellar atmospheres (Graduate)

2

2

2

1996 - 1997

Fall

A211 General Astronomy I

(Pri. education)

3

0

106

A401 Astrophysics II (Pri. education)

4

0

97

A503 Photelectric Photometry I (Graduate)

3

0

3

Spring

A204 Spherical Astronomy

(Pri. education)

3

2

64

A212 General Astronomy II

 (Pri. education)

3

0

72

A406 Practical Astronomy

(Pri. + Sec. education)

1

4

72+14=86

A512 Practical Astrophysics II (Graduate)

2

2

3

1997 - 1998

Fall

General Astronomy I

(Pri. education)

3

0

113

A401 Astrophysics II

(Pri. + Sec. education)

4

0

85+9=94

A518 Models for internal structure of stars and stellar atmospheres (Graduate)

2

2

2

Spring

A204 Spherical Astronomy (Pri. education)

3

2

51

A212 General Astronomy II (Pri. education)

3

0

75

A406 Practical Astronomy

(Pri. + Sec. education)

1

4

53+3=56

A504 Photelectric Photometry II (Graduate)

3

0

6

1998 - 1999

Fall

A211 General Astronomy I

(Pri. education)

3

0

110

Spring

A204 Spherical Astronomy

 (Pri. education)

3

2

42

A212 General Astronomy II

(Pri. education)

3

0

94

A404 Solar Physics

(Pri. + Sec. education)

4

0

33+4=37

A406 Practical Astronomy

(Pri. + Sec. education)

1

4

50+6=56

1999 - 2000

Fall

A211 General Astronomy I (Pri. education)

3

0

100

A403 Radio Astronomy

(Pri. + Sec. education)

4

0

55+9=64

Spring

A204 Spherical Astronomy (Pri. education)

3

2

36

A212 General Astronomy II (Pri. education)

3

0

88

A404 Solar Physics

(Pri. + Sec. education)

4

0

53+16=69

AU503 Photelectric Photometry I (Graduate)

3

0

3

2000 - 2001

Fall

A211 General Astronomy I (Pri. education)

3

0

87

A403 Radio Astronomy

(Pri. + Sec. education)

4

0

62+23=85

A411 Galaxies

(Pri. + Sec. education)

3

0

4+2=6

AU504 Photelectric Photometry II (Graduate)

3

0

6

Spring

A212 General Astronomy II (Pri. education)

3

0

74

A404 Solar Physics

(Pri. + Sec. education)

4

0

59+21=80

A412 Variable Stars

(Pri. + Sec. education)

2

0

3+1=4

AU509 Stellar Evolution (Graduate)

3

0

6

Summer School

A211 General Astronomy I (Pri. + Sec. education)

3

0

56+74 =130

2001 - 2002

Fall

A211 General Astronomy I

(Pri. education)

3

0

54

A403 Radio Astronomy

(Pri. + Sec. education)

4

0

46+36=82

2001 - 2002

Fall

A411 Galaxies

(Pri. + Sec. education)

3

0

1+10=11

801503 Photelectric Photometry I (Graduate)

3

0

15

2002 - 2003

Fall

A303 Celestial Mechanics

(Pri. + Sec. education)

2

2

35+17=52

A305 Astrophysics I

(Pri. + Sec. education)

3

0

29+23=52

Spring

A308 Astrophysics II

(Pri. + Sec. education)

3

0

106+103 =209

A310 Solar Physics

(Pri. + Sec. education)

3

0

100+92

=192

Summer School

A308 Astrophysics II

(Pri. + Sec. education)

3

0

28+29=57

2003 - 2004

Fall

A303 Celestial Mechanics

(Pri. + Sec. education)

2

2

67+74

=140

A305 Astrophysics I

(Pri. + Sec. education)

3

0

60+66

=126

Spring

A308 Astrophysics II

(Pri. + Sec. education)

3

0

53+53

=106

A310 Solar Physics

(Pri. + Sec. education)

3

0

73+72 =145

A406 Long Wavelength Astronomy

(Pri. + Sec. education)

3

0

7

2004 - 2005

Fall

A303 Celestial Mechanics

(Pri. + Sec. education)

2

2

71+69

=140

A305 Astrophysics I

(Pri. + Sec. education)

3

0

61+65

=126

801502 The Evolution of Interacting Binary Stars (Graduate)

3

0

13

Spring

A308 Astrophysics II

(Pri. + Sec. education)

3

0

57+62

=119

A410 High Energy Astrophysics

(Pri. + Sec. education)

3

0

4+1 =5

801517 Models for Internal Structure of Stars (Graduate)

3

0

10

2005 - 2006

Fall

A305 Astrophysics I

(Pri. + Sec. education)

3

0

61+55

=116

801502 Evolution of Interacting Binary Stars (Graduate)

3

0

5

Spring

A308 Astrophysics II

(Pri. + Sec. education)

3

0

53+51

=104

801517 Models for Internal Structure of Stars (Graduate)

3

0

6

2006 - 2007

Fall

A305 Astrophysics I

(Pri. + Sec. education)

3

0

88+43

=131

801502 Evolution of Interacting Binary Stars (Graduate)

3

0

7

Spring

A308 Astrophysics II

(Pri. + Sec. education)

3

0

57+32=89

801517 Models for Internal Structure of Stars (Graduate)

3

0

7

2007 - 2008

Fall

A305 Astrophysics I (Pri. + Sec. education)

3

0

74+25=99

801502 Evolution of Interacting Binary Stars (Graduate)

3

0

4

Spring

A308 Astrophysics II

(Pri. + Sec. education)

3

0

60+26=86

A204 Spherical Astronomy (Pri. + Sec. education)

2

2

90+12

=102

801517 Models for Internal Structure of Stars (Graduate)

3

0

1

Summer School

A204 Spherical Astronomy (Pri. + Sec. education)

2

2

63+4=67

2008 - 2009

Fall

A305 Astrophysics I

(Pri. + Sec. education)

3

0

74+5=79

801502 Evolution of Interacting Binary Stars (Graduate)

3

0

2

Spring

A204 Spherical Astronomy (Pri. + Sec. education)

2

2

91+5=96

A308 Astrophysics II

(Pri. + Sec. education)

3

0

72+5=76

801517 Models for Internal Structure of Stars (Graduate)

3

0

3

Summer School

A204 Spherical Astronomy

2

2

34

A305 Astrophysics I

3

0

15

2009 - 2010

Fall

AST 305 Astrofizik I (Pri. education)

3

0

60

801502 Evolution of Interacting Binary Stars (Graduate)

3

0

5

2009 - 2010

Spring

AST204 Spherical Astronomy (Pri. education)

2

2

90

AST 308 Astrophysics II

(Pri. education)

3

0

70

AST406 Long Wavelength Astronomy (Pri. education)

3

0

4

801504 Lıght Curve Analysis Methods (Graduate)

3

0

1

Summer School

AST 204 Spherical Astronomy

2

2

64

2010 - 2011

Fall

AST305 Astrophysics I (Pri. education)

3

0

93

Spring

AST204 Spherical Astronomy (Pri. + Sec. education)

2

2

78+22=100

AST308 Astrophysics II (Pri. education)

3

0

84

AST406 Long Wavelength Astronomy (Pri. education)

3

0

5

Summer School

AST305 Astrophysics I

3

0

47

AST308 Astrophysics II

3

0

27

2011-2012

Fall

AST305 Astrophysics I

(Pri. + Sec. education)

3

0

64+24=88

Spring

AST204 Spherical Astronomy (Pri. + Sec. education)

2

2

74+37=111

AST308 Astrophysics II

(Pri. + Sec. education)

3

0

37+15=52

AST406 Long Wavelength Astronomy

(Pri. education)

3

0

22

Summer School

AST204 Spherical Astronomy

2

2

50

AST305 Astrophysics I

3

0

23

2012 - 2013

Fall

AST305 Astrophysics I

(Pri. + Sec. education)

3

0

48+32=80

801502 The Evolution of Interacting Binary Stars (Graduate)

3

0

2

Spring

 

 

 

 

 

 

 

 

 

 

 

 


 

PUBLICATIONS

A. Papers Published in SCI Indexed International Journals :

A1-   Berahitdin Albayrak, Ferhat Fikri Özeren, Fehmi Ekmekçi,  and Osman Demircan, 1999, "Period Variation of Six RS CVn-Type Binaries With Possible Light-Time Effect"  RevMexAA, 35, 3

A2-   F. Ekmekçi, F.F. Özeren, H. Ak, 2002, "Chromospherically Active Binary Systems, RT And and ER Vul:1995-1998 Observations and Spot Distributions" AN, 323, 31

A3-   F. Ekmekçi and O. Karakuş, 2002, "IUE-newsips spectra of  s Geminorum"  A&A., 391, 641

A4-   F. Ekmekçi, S. Topal, 2008, "2005 Photometric observations and multiple frequencies of the d Scuti variable CC And"  New Astronomy, 13, 118

A5-   G. Djurasevic, F. Ekmekçi, B. Albayrak, S.O. Selam, and S. Erkapic, 2008, "A Photometric study of  the W UMa type eclipsing binary V376 And" RevMexAA., 44, 249

A6-  F. Ekmekçi, S. Topal, 2009, "2005 Photometric observations and multiple frequencies of the d Scuti variable V350 Peg " Ap&SS., 321, 101

A7- Fehmi Ekmekçi, 2010, "A Survey of  IUE Spectra of the Active Binary System UX Arietis" PASA, 27, 1

A8- F.Z. Eriş, F. Ekmekçi, 2011, “A 2007 Photometric study and UV spectral analysis of the Wolf-Rayet binary V444 Cyg” AN, 332, 616

A9- F. Ekmekçi, A. Elmaslı, M. Yılmaz, T. Kılıçoğlu, T. Tanrıverdi, Ö. Baştürk, H.V. Şenavcı, Ş. Çalışkan, B. Albayrak, S. O. Selam, 2012, “Physical parameters of some close binaries: ET Boo, V1123 Tau, V1191 Cyg, V1073 Cyg and V357 Peg”  New Astronomy, 17, 603

A10- G. Djurasevic, Ö. Baştürk, O. Latkovic, M. Yılmaz, Ş. Çalışkan, T. Tanrıverdi, H.V. Şenavcı, T. Kılıçoğlu, F. Ekmekçi, 2013, “Photometric Analysis of HS Aqr, EG Cep, VW LMi and DU Boo”  The Astronomical Journal, 145, 80 (doi:10.1088/0004-6256/145/3/80)

 

B. Papers in Refereed International Journals (not indexed in SCI):

B1-   M. Hamzaoğlu, F. Ekmekçi,  E. Hamzaoğlu,  1983, "Photoelectric Observation of W UMa ( BD+56 1400 )" IAU-IBVS, no:2282

B2-   O. Demircan, E. Derman, F. Ekmekçi, 1991, "1987-1989 UBV Photometry of OO Aquilae" IAU-IBVS, no:3551

B3-   Berahitdin Albayrak, Ferhat Fikri Özeren, Fehmi Ekmekçi, 1996, "Photoelectric Minima of Four RS CVn Type Binary Systems : RT And, SV Cam, WY Cnc, and Z Her" IAU-IBVS, no:4399

B4-   F. Ekmekçi, H. Ak, 2001, "Photoelectric Minimum Times of Two RS CVn Type Binary Systems : RT And and SV Cam" IAU-IBVS, no:5174

B5-   Ak, H., Özeren, F.F., Ekmekçi, F. , 2003, "Photoelectric Minimum Times of Some Eclipsing Binary Stars" IAU-IBVS, no:5361

B6-   Şenavcı, H.V., Tanrıverdi, T., Törün, E., Elmaslı, A., Kılıçoğlu, T., Çınar, D., Sipahioğlu, S., Alan, N., Çolak, T., Yılmaz, M., Uluş, N.D., Baştürk, Ö., Çalışkan, Ş., Aydın, G.,  Ekmekçi,  F. , Albayrak, B., Selam, S.O., 2007, "Photoelectric Minima of Some Eclipsing Binaries" IAU-IBVS, no:5754

B7-   Kılıçoğlu, T., Baştürk, Ö., Şenavcı, H.V., Yılmaz, M., Tanrıverdi, T., Alan, N., Sipahioğlu, S., Aydın, G., Çelik, L., Çalışkan, Ş., Elmaslı, A., Gökay, G., Çakan, D., Demircan, Y., Ekmekçi,  F., Selam, S.O., Yüce, K., , Albayrak, B., 2007, "Photoelectric Minima of Some Eclipsing Binary Stars" IAU-IBVS, no:5801

B8- Yılmaz, M., Baştürk, Ö., Alan, N., Şenavcı, H.V., Tanrıverdi, T., Kılıçoğlu, T., Çalışkan, Ş., Çelik, L., Aydın, G., Çakan, D., Bilgiç, D., Uluş, N.D., Elmaslı, A., Selam, S.O., Albayrak, B., Ekmekçi,  F. , 2009, "New Times of Minima of Some Eclipsing Binary Stars and Maxima of Pulsating Stars" IAU-IBVS, no:5887

C. Papers Published in National Journals:

C1-   Fehmi Ekmekçi, Selçuk Topal, 2006, "d Scuti Türü Değişen Yıldızlar CC And ve V350 Peg: 2005 Yılı Fotoelektrik Fotometri Gözlemleri" Çankaya Üniv. Journal of Arts and Sciences, Sayı: 6, sayfa: 97

D. Papers (Oral Presentations) Published in International Proceedings :

D1-   F. Ekmekçi, 2010, “The results of photometric analyses of long-term BV observations of UX Arietis” in Publ. Astron. Obs. Belgrade No. 90, 131-135. (6th SREAC Meeting, Astrophysics and Astrodynamics in Balkan Countries in The International Year of Astronomy, Sept. 28 – 30, 2009, Belgrade, Serbia, Eds. Ištvan Viince and Tanyu Bonev.)

D2-   H. Ak, F. Ekmekçi, B. Albayrak, F.F. Özeren and O. Demircan, 1996, "Photometric Variability of Three Noneclipsing Active Binaries: II Peg, UX Ari, and V1762 Cyg" in Cool Stars, Stellar Systems, and The Sun, 9th Cambridge Workshop (Eds. Roberto Pallavicini and Andrea K. Dupree), ASP-Conf. Ser., Vol:109, ASP, p.635 (Poster)

D3- F.F. Özeren, B. Albayrak, F. Ekmekçi and O. Demircan, 1997, "Possible Interaction of Some RS CVn-Type Binaries With Their Environment" in The Interaction of Stars With Their Environment (Proceedings of the workshop and spring school held at Visegrad, Hungary, 23-25 May 1996), Communications From The Konkoly Observatıry of The Hungarian Academy of  Sciences-Mitteilungen Der Sternwarte Der Ungraischen Akademie Der Wissenschaften, Budapest-Svabhegy, No.100, Vol:12, Part 2, p.393 (Poster)

D4- Ekmekçi, Fehmi; Çelik, Lale;Şenavcı, H. Volkan, 2013, “RR Lyrae type stars, ST Boo and RR Leo: 2007 Observations and the preliminary results of the frequency analaysis” in Astrophysics and Space Science Proceedings, “Stellar Pulsations, Impact of New Instrumentations and New Insights”, (Eds. J.C. Suárez, R. Garrido, L.A. Balona, J. Christensen-Dalsgaard), Vol:31, List of Poster Contributions, 291-293; 2012arXiv1202.3606E (Poster) [ SCI ]

D5- Çelik, L., Ekmekçi, F., Nemec, J., Kolenberg, K., Benkő, J. M., Szabó, R., Kurtz, D. W., Kinemuchi, K., Şenavcı, H. V., 2013, “How to Correctly Stitch Together Kepler Data of a Blazhko Star” in Astrophysics and Space Science Proceedings, “Stellar Pulsations, Impact of New Instrumentations and New Insights”, (Eds. J.C. Suárez, R. Garrido, L.A. Balona, J. Christensen-Dalsgaard), Vol:31, List of Poster Contributions, 291-293; 2012arXiv1202.3607C (Poster) [ SCI ]

E. Papers Published in National Proceedings : (all in Turkish)

E1-   F. Ekmekçi, C. Aydın, 1989, "RS CVn Türü UX Arietis Çift Yıldız Sisteminin IUE Gözlemleri" VI. Ulusal Astronomi Kongresi Tebliğleri, Editör: Prof. Dr. İlhami Yavuz ,  s.219

E2-   F. Ekmekçi,, C. Aydın, İ. E. Derman, 1989, "UX Ari’nin Morötesi Gözlemlerinin Analizi" XI. Ulusal Fizik Kong. Bildiri Özetleri, AF-3, s.51

E3-   F. Ekmekçi, C. Aydın, İ.E. Derman, 1991, "UX Arietis’in Fotoelektrik Işıkölçümü" VII. Ulusal Astronomi Kongresi Tebliğleri, Editör : Prof. Dr. Kamuran Avcıoğlu, s. 465

E4-   Fehmi Ekmekçi, Ferhat Fikri Özeren, Berahitdin Albayrak, O. Demircan, 1996,"Bazı Orta Dönemli RS CVn’lerin Dönem Değişimi" X. Ulusal Astronomi Kongresi, 2 – 6 Eylül 1996, İstanbul,  s.51

E5-   Ferhat Fikri Özeren, Berahitdin Albayrak, Fehmi Ekmekçi, O. Demircan, 1996, "Bazı Kısa Dönemli RS CVn’lerin Dönem Değişimi" X. Ulusal Astronomi Kongresi, 2 – 6 Eylül 1996, İstanbul,  s.56

E6-   Fehmi Ekmekçi, Ferhat F. Özeren, Berahitdin Albayrak, Hasan Ak, 2000, "Etkin Çift Yıldız Sistemleri RT And ve ER Vul’un 1995-1998 Gözlemleri" XI. Ulusal Astronomi Toplantısı, 7 – 10 Ağustos 1999, Fırat Üniversitesi, Fizik Bölümü, Elazığ, Editörler : Cemal Aydın, Selim O. Selam, Ethem Derman, s.197

E7-   Fehmi Ekmekçi, Osman Karakuş, 2000, "Sigma Gem Sisteminin Morötesi Tayflarının Analizi" XI. Ulusal Astronomi Toplantısı, 7 – 10 Ağustos 1999, Fırat Üniversitesi, Fizik Bölümü, Elazığ, Editörler : Cemal Aydın, Selim O. Selam, Ethem Derman, s.221

E8-   Fehmi Ekmekçi, 2007, "Etkin Çift Sistem UX Arietis’in IUE-Newsips Tayfları" XV. Ulusal Astronomi Kongresi, Bildiri Kitabı, Cilt I, 25 Ağustos – 1 Eylül 2006, İstanbul Kültür Üniversitesi, Ataköy, İstanbul, Yayına Hazırlayanlar : Hulusi Gülseçen, Füsun Limboz, Ayşegül F. Teker,  s.317

E9-   Selçuk Topal, Fehmi Ekmekçi, 2007, "CC And ve V350 Peg’in 2005 Yılı Fotometrik Gözlemleri" XV. Ulusal Astronomi Kongresi, Bildiri Kitabı, Cilt II, 25 Ağustos – 1 Eylül 2006, İstanbul Kültür Üniversitesi, Ataköy, İstanbul, Yayına Hazırlayanlar : Hulusi Gülseçen, Füsun Limboz, Ayşegül F. Teker, s.805

E10- Figen Z. Eriş ve Fehmi Ekmekçi, 2008, "V444 Cyg Çift Yıldız Sisteminin 2007 Yılı Fotometrik Gözlemleri"

         XVI. Ulusal Astronomi Kongresi ve V. Ulusal Öğrenci Astronomi Kongresi, 8 – 12 Eylül 2008, Çanakkale  

         Onsekiz Mart Üniversitesi, Çanakkale, Editörler : Osman Demircan, Ahmet Erdem, Faruk Soydugan, Volkan

         Bakış, Levent Özçağ, Burak Ulaş, Cilt 7a,  s.387

E11- Lale Çelik, Fehmi Ekmekçi, H. Volkan Şenavcı, 2008, "ST Boo ve RR Leo’nun Frekans Analizlerinin Ön Sonuçları" XVI. Ulusal Astronomi Kongresi ve V. Ulusal Öğrenci Astronomi Kongresi, 8 – 12 Eylül 2008, Çanakkale Onsekiz Mart Üniversitesi, Çanakkale, Editörler : Osman Demircan, Ahmet Erdem, Faruk Soydugan, Volkan Bakış, Levent Özçağ, Burak Ulaş, Cilt 7b,  s.1170

 

E12- Neslihan Alan ve Fehmi Ekmekçi, 2008, "Etkin Çift Yıldız Sistemi V772 Her’in 2007 Yılı CCD Gözlemleri" XVI. Ulusal Astronomi Kongresi ve V. Ulusal Öğrenci Astronomi Kongresi, 8 – 12 Eylül 2008, Çanakkale Onsekiz Mart Üniversitesi, Çanakkale, Editörler : Osman Demircan, Ahmet Erdem, Faruk Soydugan, Volkan Bakış, Levent Özçağ, Burak Ulaş, Cilt 7b,  s.1200

E13-Fehmi Ekmekçi, 2012, "Çift Yıldız Yörünge Düzlemlerinin Galaktik Konuma Göre Dağılımlarının İncelenmesi" Prof. Dr. Zeki ASLAN onuruna XVIII. Ulusal Astronomi ve Uzay Bilimleri Kongresi, VII. Ulusal Öğrenci Astronomi ve Uzay Bilimleri Kongresi, 27 Ağustos – 1 Eylül 2012, İnönü Üniversitesi, Malatya,   s.141

E14- Figen Z. Eriş, Fehmi Ekmekçi, Paul Crowther, 2012, "V444 Cyg Çift Yıldız Sisteminin Tayfsal Enerji Dağılımı ve Görsel Bölge için PoWR Model Çalışması" Prof. Dr. Zeki ASLAN onuruna XVIII. Ulusal Astronomi ve Uzay Bilimleri Kongresi, VII. Ulusal Öğrenci Astronomi ve Uzay Bilimleri Kongresi, 27 Ağustos – 1 Eylül 2012, İnönü Üniversitesi, Malatya,   s.169

E15- Hakan V. Şenavcı, Lale Çelik, Fehmi Ekmekçi, M. Ertan Törün, James M. Nemec, Katrien Kolenberg, Joseph M. Benko, Robert Szabo, Donald W. Kurtz, Karen Kinemuchi, 2012, "Kepler Verilerinin Analizlere Uygun Yapıya Dönüştürülmesi" Prof. Dr. Zeki ASLAN onuruna XVIII. Ulusal Astronomi ve Uzay Bilimleri Kongresi, VII. Ulusal Öğrenci Astronomi ve Uzay Bilimleri Kongresi, 27 Ağustos – 1 Eylül 2012, İnönü Üniversitesi, Malatya,   s.203

E16- E. Derman, O. Demircan, C. Aydın,  N. Yılmaz, S. Engin, Z. Müyesseroğlu, S. Selam, F. Ekmekçi, A. Akalın, F. Özeren, G. Kahraman, H. Dündar, B. Gürol, B. Albayrak, V. Kalkan, B. Çağırıcı, N. Aslan, 1991, “A.Ü. Gözlemevi’nde Yapılan Çift Yıldızların Fotoelektrik Fotometresi”, VII. Ulusal Astronomi Kongresi Tebliğleri, Editör : Prof. Dr. Kamuran Avcıoğlu, sayfa  499 (Poster)

E17- Fehmi Ekmekçi, Ferhat Fikri Özeren, Berahitdin Albayrak, 1996, “Bazı Kromosferik Aktif Çift Yıldızların Gözlemleri”, X. Ulusal Astronomi Kongresi, 2 - 6 Eylül 1996, İstanbul, sayfa 504 (Poster)

E18- Taner Tanrıverdi, Fehmi Ekmekçi, 2003, “Deneb ve 6 Cas’ın Morötesi Çizgi Tanısı”, XIII. Ulusal Astronomi Toplantısı, 2 – 6 Eylül 2002, TUG ve Akdeniz Üniversitesi, Fizik Bölümü, Antalya, Editörler : Emre Işık, Cahit Yeşilyaprak, Timur Şahin, U. Serdar Özer, Zeki Aslan, sayfa 381 (Poster)

E19- Fehmi Ekmekçi, Ferhat Fikri Özeren, 2007, “UX Ari’nin 1991-1994 Fotometrik Gözlemleri”, XIV. Ulusal Astronomi Kongresi, 31 Ağustos – 4 Eylül 2004, Kayseri, Editörler : F.F. Özeren ve İ. Küçük, sayfa 385 (Poster)

E20- Lale Çelik, Fehmi Ekmekçi, Hakan Volkan Şenavcı, 2012, "KIC 7671081 Yıldızının Frekans Analizi" Prof. Dr. Zeki ASLAN onuruna XVIII. Ulusal Astronomi ve Uzay Bilimleri Kongresi, VII. Ulusal Öğrenci Astronomi ve Uzay Bilimleri Kongresi, 27 Ağustos – 1 Eylül 2012, İnönü Üniversitesi, Malatya,   s.529 (Poster)

 
 

CITATIONS: (survey date: January 09, 2007)

SOURCE:

“NASA Astrophysics Data System (ADS)” - http://adsabs.harvard.edu

 The citations by the author, Fehmi EKMEKÇİ, are not included.

A1-   “Period Variation of Six RS CVn-Type Binaries with Possible Light-Time Effect”, 1999RMxAA...35....3A, Albayrak, B.; Fikri Özeren, F.; Ekmekçi, F.; Demircan, O.

 

1-       1999A&A...349..887L, Lanza, A.F.; Dodonò, M.

2-       2000PASP…112..434T, Trimble, Virginia ;  Aschwanden, Markus J.

3-       2000A&A…362..169P, Pribulla, T. ;  Chochol, D. ; Milano, L. ; Ericco, L. ; Vittone, A.A. ; Barone, F. ; Parimucha, Š.

4-       2001aocd.book…..K, Kreiner, Jerzy M. ; Kim, Chun-Hwey ; Nha, Il-Seong.

5-       2001IBVS.5056…1P, Pribulla, T. ; Vanko, M. ; Parimucha, S. ; Chochol, D.

6-       2001A&A…376..158A, Albayrak, B. ; Demircan, O. ; Djurašević, G. ;  Erkapić, S. ; Ak, H.

7-       2001A&A…379..878E, Erdem, A. ; Demircan, O. ; Güre, M.

8-       2002IBVS.5303….1Z, Zboril, M.

9-       2004A&A…420..595A, Afşar, M. ; Heckert, P.A. ; İbanoğlu, C.

10-    2007ApJ…669L…93Y, Yuan, Jinzhao ; Qian, Shengbang.

11-    2008arXiv0801.4258Z, Zasche, P.

12-    2008PASJ…60..571T, Tian, Yong-Po ; Xiang, Fu-Yuan ; Tao, Xia

13-    2008NewA…13..405Z, Zasche, P. ; Liakos, A. ; Wolf, M. ; Niarchos, P.

14-    2009NewA…14..121Z, Zasche, P. ; Liakos, A. ; Niarchos, P. ; Wolf, M. ; Manimanis, V. ; Gazeas, K.

15-    2009PASJ…61..675T, Tian, Yongpo ; Xiang Fuyuan ; Xie, Wenli ; Tao, Xia

16-    2010PASJ…62..515T,  Tian, Young Po ; Ou, Yong Kang ;  Zhang, Jian Fu ; Zhang, Wei Xi ; Xiang, Fu Yuan

17-    2010MNRAS.405.1930L, Liao, W. –P. ; Qian, S. –B.

18-    2010KPCB...26..269Z, Zakirov, M. M.

 

A2-   “Chromospherically active binary systems, RT And and ER Vul: 1995-1998 observations and spot distributions”, 2002AN….323…31E, Ekmekci, F.; Ozeren, F. F.; Ak, H.

 

19-    2004A&A...415...289H, Harmanec, P.; Božić, H.; Thanjavur, K.; Robb, R.M.; Ruždjak, D.; Sudar, D.

20-    2005A&A...437..375D, Dryomova, G.; Perevozkina, E.; Svechnikov,  M.

21-    2011MNRAS.415..596W, Wilson, R. E.; Raichur, H.

   

A5-   “A Photometric study of the W UMa type eclipsing binary V376 And”, 2008RMxAA….44… 249D, Djurasevic, G.; Ekmekci, F.; Albayrak, B.; Selam, S.O.;  Erkapic, S.

 

         22- 2011NewA…16…12C, Çiçek, C.

 

A7- "A Survey of  IUE Spectra of the Active Binary System UX Arietis", 2010PASA...27....1E, Fehmi Ekmekçi

   

         23- 2011ApJ...737..104P, Peterson, W.  M.; Mutel, R. L.; Lestrade, J. –F.; Güdel, M.; Goss, W. M.

 

A9- "Physical parameters of some close binaries: ET Boo, V1123 Tau, V1191 Cyg, V1073 Cyg and V357 Peg", 2012NewA...17..603E, Ekmekçi, F.; Elmaslı, A.; Yılmaz, M.; Kılıçoğlu, T.; Tanrıverdi, T.; Baştürk, Ö.; Şenavcı, H. V.; Çalışkan, Ş.; Albayrak, B.; Selam, S. O. 

 

         24- 2013AJ....145...60Y, Yang, Y.-G.; Qian, S.-B.; Dai, H.-F.

 

B1-    “Photoelectric Observation of W UMa (BD+56 1400)”, 1983IBVS..2282…1H, Hamzaoğlu, M.; Ekmekçi, F.; Hamzaoğlu, E.

 

         25-  1985IBVS..2745....1D, Davan, B. M.

 

B2-    “1998-1989  UBV Photometry of OO Aquilae”, 1991IBVS.3551…1D, Demircan, O.; Derman, E.; Ekmekci, F.

 

         26- 1996JAVSO..24...12O, Ofek, Eran O..; Gabzo, Ofer.

         27- 1996A&AS..115..333D, Demircan, O.; Gürol, B.

         28- 2001AJ….121.1084H, Hrivnak, Bruce J. ; Guinan, Edward F. ; De Warf, Laurance E. ; Ribas Ignasi.

         29- 2008AN…329..596T, Tsantilas, S. ; Rovithis-Livaniou, H.  

 

B3-    “Photoelectric Minima of Four RS CVn Type Binary Systems : RT And, SV Cam, WY Cnc, and Z Her”, 1996IBVS.4399…1A, Albayrak, Berahitdin ; Özeren, Ferhat Fikri ; Ekmekci, Fehmi.

 

         30- 2000A&A…362..169P, Pribulla, T. ;  Chochol, D. ; Milano, L. ; Ericco, L. ; Vittone, A.A. ; Barone, F. ;

               Parimucha, Š.

         31- 2001A&A...376..158A, Albayrak, B.; Demircan, O.; Djurašević, G.; Erkapić, S.; Ak, H.

 

B4-    “Photoelectric Minimum Times of Two RS CVn Type Binary Systems : RT And and SV Cam”, 2001IBVS.5174….1E, Ekmekci, F.; Ak, H.

 

         32- 2004AN....325..424P, Patkós, L.; Csizmadia, Sz.

         33- 2007A&A...471..219Z, Zhang, Li-Yun ; Gu, Sheng-Hong.       

 

B5-   “Photoelectric Minimum Times of  Some Eclipsing Binary Stars ”, 2003IBVS.5361….1A,  Ak, H.; Özeren, F.F.; Ekmekci, F.

 

          34- 2010A&A…516A..42C, Clausen, J.V.; Frandsen, S.; Bruntt, H.; Olsen, E.H.; Helt, B.E.; Gregersen, K.;Juncher, D.; Krogstrup, P.

       

B6-    “Photoelectric Minima of Some Eclipsing Binaries”, 2007IBVS.5754….1S, Şenavcı, H.V.;  Tanrıverdi, T.; Törün, E.; Elmaslı, A.; Kılıçoğlu, T.; Çınar, D.; Sipahioğlu, S.; Alan, N.; Çolak, T.; Yılmaz, M.;  Uluş, N.D.; Baştürk, Ö.; Çalışkan, Ş.; Aydın, G.; Ekmekçi, F.; Albayrak, B.; Selam, S.O.

 

          35- 2008AJ…136.2493Q, Qian, S. –B.; He, J. –J.; Liu, L.; Zhu, L. –Y.; Liao, W. P.

           36- 2009AJ…137.3646P, Pribulla, Theodor; Rucinski, Slavek, M.; De Bond, Heide; De Ridder, Archie; Karmo, Toomas; Thomson, J.  

                 R.; Croll, Bryce; Ogloza, Waldermar; Pilecki, Bogumil; Siwak, Michal

          37- 2009AJ…138..680Z, Zhang, X. B.; Deng, L.; Lu, P.

          38- 2009PASJ…61..675T, Tian, Yongpo; Xiang, Fuyuan; Xie, Wenli; Tao, Xia

          39- 2010JAVSO..38…57A, Alton, K.B.

          40- 2011AJ....142...99C, Christopoulou, P.-E.; Parageorgiou, A.; Chrysopoulos, I.

          41- 2012AJ....143...34L, Lee, Jae Woo; Lee, Chung-Uk; Kim, Seung-Lee; Kim, Ho-Il; Park, Jang-Ho

          42- 2012AJ....143..122Y, Yang, Y.-G.; Qian, S.-B.; Soonthornthum, B.

     

B7-  "Photoelectric Minima of Some Eclipsing Binary Stars", 2007IBVS.5801....1K, Kilicoglu, T.; Basturk, O.; Senavci, H. V.; Yilmaz, M.; Tanriverdi, T.; Alan, N.; Sipahioglu, S.; Aydin, G.; Celik, L.; Caliskan, S.; Elmasli, A.; Gokay, G.; Cakan, D.; Demircan, Y.; Ekmekci, F.; Selam, S. O.; Yuce, K.; Albayrak, B.

         43- 2010JAVSO..38...57A, Alton, K. B.

         44- 2011AJ....142...99C, Christopoulou, P.-E.; Parageorgiou, A.; Chrysopoulos, I.


B8-   “New Times of Minima of Some Eclipsing Binary Stars and Maxima of Pulsating Stars”, 2009IBVS.5887…1Y, Yılmaz, M.; Baştürk, Ö.;

         Alan, N.;  Şenavcı, H.V.;  Tanrıverdi, T.;  Kılıçoğlu, T.; Çalışkan, Ş.; Aydın, G.; Çakan, D.; Bilgiç, D.; Uluş, N. D.; Elmaslı, A.; Selam, S.O.; Albayrak, B.; Ekmekçi, F. 

         45- 2010JAVSO..38…57A, Alton, K.B.

         46- 2011A&A...525A..66D, Djurašević, G.; Yılmaz, M.; Baştürk, Ö.; Kılıçoğlu, T.; Latković, O.; Çalışkan, Ş.

         47- 2011IBVS.5991....1Z, Zasche, P.

         48- 2011Ap&SS.334..131L, Liu, L.; Qian, S.-B.; Liao, W.-P.; He, J.-J.; Zhu, L.-Y.; Li, L.-J.; Zhao, E.-G.

         49- 2011AJ....142...99C, Christopoulou, P.-E.; Parageorgiou, A.; Chrysopoulos, I.

         50- 2011AJ....142..124Z, Zhu, L. Y.; Qian, S. B.; Soonthornthum, B.; He, J. J.; Liu, L.

         51- 2012AJ....143..122Y, Yang, Y.-G.; Qian, S.-B.; Soonthornthum, B.

         52- 2012NewA...17..610O, Özdarcan, O.; Evren, S.

         53- 2012NewA...17..673Z, Zola, S.; Nelson, R. H.; Şenavcı, H. V.; Szymanski, T.; Kuźmicz, A.; Winiarski, M.; Jableka, D.

D2-   “Photometric variability of three noneclipsing active binaries : II Peg, UX Ari and V1762 Cyg”, 1996ASPC..109..635A, Ak, H.; Ekmekci, F.; Ozeren, F.F.; Demircan, O.

         54- 2003A&A...402.1033A, Aarum Ulvås, V.; Henry, G.W.

D3-   “Interaction of Some RS CVn-Type Binaries with  their Environment ”, 1997CoKon.100..393O, Ozeren, F. F.; Albayrak, B.; Ekmekci, F.; Demircan, O.

55- 2001aocd.book…..K, Kreiner, Jerzy M.; Kim, Chun-Hwey ; Nha, Il-Seong.S. 

D5-   “How to Correctly Stitch Together Kepler Data of a Blazhko Star”, 2012arXiv1202.3607C, Çelik, L.; Ekmekçi, F.; Nemec, J.; Kolenberg, K.; Benkő, J. M.; Szabó, R.; Kurtz, D. W.; Kinemuchi, K.; Şenavcı, H. V.   

          56- 2012MNRAS.tmp.3214G, Guggenberger, E.; Kolenberg, K.; Nemec, J. M.; Smolec, R.; Benkő, J. M.; Ngeow, C.-C.; Cohen, J. G.; Sesar, B.; Szabó, R.; Catelan, M.; Moskalik, P.; Kinemuchi, K.; Seader, S.E.; Smith, S.J.; Tenenbaum, P.;Kjeldsen, H.