Publications (89)
Study of Eclipsing Binary and Multiple Systems in OB Associations IV: Cas OB6 Member DN Cas
V. Bakis, H. Bakis, S. Bilir +1
The Galactic Kinematics of Cataclysmic Variables
T. Ak, S. Bilir, A. Ãzdönmez +5
An Improved Metallicity Calibration with UBV Photometry
S. Karaali, S. Bilir, S. Ak +2
Local stellar kinematics from RAVE data: II. Radial Metallicity Gradient
B. Coskunoglu, S. Ak, S. Bilir +5
Absolute Magnitude Calibration for Red Giants based on the Colour-Magnitude Diagrams of Galactic Clusters. I- Calibration with V and (B-V)
S. Karaali, S. Bilir, E. Yaz Gokce
A CCD Study of High Latitude Galactic Structure: Testing the Model Parameters
S. Karaali, S. G. Ak, S. Bilir +2
Evidences on secular dynamical evolution of detached active binary orbits and contact binary formation
Z. Eker, O. Demircan, S. Bilir +1
Separation of dwarf and giant stars with ROTSE-IIId
S. Bilir, T. Guver, M. Aslan
A new absolute magnitude calibration with 2MASS for cataclysmic variables
T. Ak, S. Bilir, S. Ak +1
Galactic longitude dependent Galactic model parameters
S. Bilir, S. Karaali, S. Ak +2
Kinematics of the chromospherically active binaries and evidence of an orbital period decrease in binary evolution
Y. Karatas, S. Bilir, Z. Eker +1
Main-Sequence Effective Temperatures from a Revised Mass-Luminosity Relation Based on Accurate Properties
Z. Eker, F. Soydugan, E. Soydugan +6
Interrelated Main-Sequence Mass-Luminosity, Mass-Radius and Mass-Effective Temperature Relations
Z. Eker, V. Bakis, S. Bilir +7
Photometric Calibration of the $[α/$Fe] Element: II. Calibration with SDSS Photometry
E. Yaz Gokce, S. Bilir, S. Karaali +1
Local Stellar Kinematics from RAVE Data: I. Local Standard of Rest
B. Coskunoglu, S. Ak, S. Bilir +19
Estimation of Galactic model parameters with the SDSS and metallicity distribution in two fields in the anti-centre direction of the Galaxy
S. Ak, S. Bilir, S. Karaali +1
Absolute Dimensions and Apsidal Motion of the Eccentric Binary V731 Cephei
V. Bakis, M. Zejda, I. Bulut +7
Estimation of galactic model parameters in high latitudes with SDSS
S. Bilir, A. Cabrera-Lavers, S. Karaali +3
Transit Timing Analysis in the HAT-P-32 system
M. Seeliger, D. Dimitrov, D. Kjurkchieva +24
Absolute Magnitude Calibration for Red Clump Stars
S. Karaali, S. Bilir, E. Yaz Gokce
Study of Eclipsing Binary and Multiple Systems in OB Associations II. The Cygnus OB Region: V443 Cyg, V456 Cyg and V2107 Cyg
V. Bakis, H. Hensberge, S. Bilir +6
Spatial distribution and galactic model parameters of cataclysmic variables
T. Ak, S. Bilir, S. Ak +1
Estimation of Galactic model parameters in high latitudes with 2MASS
A. Cabrera-Lavers, S. Bilir, S. Ak +2
Luminosity-Colour Relations for Red Clump Stars
S. Bilir, O. Onal, S. Karaali +2
A catalog of chromospherically active binary stars (third edition)
Z. Eker, N. Filiz Ak, S. Bilir +8
Galactic model parameters for field giants separated from field dwarfs by their 2MASS and V apparent magnitudes
S. Bilir, S. Karaali, T. Guver +2
New absolute magnitude calibrations for detached binaries
S. Bilir, T. Ak, E. Soydugan +6
CCD UBV Photometry and Kinematics of the Open Cluster NGC 225
S. Bilir, Z. F. Bostanci, T. Yontan +6
The age of cataclysmic variables: a kinematical study
T. Ak, S. Bilir, S. Ak +2
New metallicity calibration down to [Fe/H] = -2.75 dex
S. Karaali, S. Bilir, Y. Karatas +1
Solar Space Density of the Red Clump Stars and the Scale-length of the Thin Disc
E. Yaz Gokce, S. Karaali, S. Duran +6
Transformations between WISE and 2MASS, SDSS, BVI photometric systems: II. Transformation equations for red clump stars
S. Bilir, S. Karaali, N. D. Dagtekin +4
Transformations between 2MASS, SDSS and BVRI photometric systems: bridging the near infrared and optical
S. Bilir, S. Ak, S. Karaali +3
Extragalactic Objects in Basle Fields
S. Bilir, Y. Karatas, S. Ak
A New Procedure for the Photometric Parallax Estimation
S. Karaali, Y. Karatas, S. Bilir +2
Absolute magnitudes for late-type dwarf stars for Sloan photometry
S. Bilir, S. Karaali, S. Tuncel
Absolute Magnitude Calibration for Dwarfs Based on the Colour-Magnitude Diagrams of Galactic Clusters
S. Karaali, E. Yaz Gokce, S. Bilir +1
Galactic model parameters of cataclysmic variables: Results from a new absolute magnitude calibration with 2MASS and WISE
A. Ozdonmez, T. Ak, S. Bilir
Kinematics, ages and metallicities for F and G type stars in the solar neighbourhood
Y. Karatas, S. Bilir, W. J. Schuster
The Spectroscopic Orbits of Three Double-lined Eclipsing Binaries: I. BG Ind, IM Mon, RS Sgr
V. Bakis, H. Bakis, S. Bilir +7
New absolute magnitude calibrations for W Ursa Majoris type binaries
Z. Eker, S. Bilir, E. Yaz +2
Absolute parameters of the eclipsing binary V821 Cas from UBVRI light curves and radial velocities
O. Cakirli, C. Ibanoglu, S. Bilir +1
Transformations between WISE, 2MASS, SDSS and BVRI photometric systems: I. Transformation equations for dwarfs
S. Bilir, S. Karaali, S. Ak +5
SDSS Absolute Magnitudes for Thin Disc Stars based on Trigonometric Parallaxes
S. Bilir, S. Karaali, S. Ak +3
Analysis of RGU Photometry in Selected Area 51
S. Bilir, S. Karaali, R. Buser
Population types of cataclysmic variables in the solar neighbourhood
T. Ak, S. Bilir, T. Guver +2
Local stellar kinematics from RAVE data- V. Kinematic investigation of the Galaxy with red clump stars
S. Karaali, S. Bilir, S. Ak +3
CCD BV and 2MASS photometric study of the open cluster NGC 1513
S. Bilir, T. Guver, I. Khamitov +5
Local Stellar Kinematics from RAVE data -- VIII. Effects of the Galactic Disc Perturbations on Stellar Orbits of Red Clump Stars
O. Onal Tas, S. Bilir, O. Plevne
Metallicity Calibration and Photometric Parallax Estimation: I. UBV photometry
S. Tuncel Guctekin, S. Bilir, S. Karaali +3
Analysis of UBV Photometry in Selected Area 133
Y. Karatas, S. Bilir, S. Karaali +1
A New Absolute Magnitude Calibration for Red Clump Stars
S. Bilir, T. Ak, S. Ak +2
Volume limited dependent Galactic model parameters
S. Karaali, S. Bilir, E. Yaz +2
A different approach for the estimation of Galactic model parameters
S. Karaali, S. Bilir, E. Hamzaoglu
Research Performance of Turkish Astronomers in the Period of 1980-2010
S. Bilir, E. Gogus, O. Onal +2
Luminosity-Colours relations for thin disc main-sequence stars
S. Bilir, S. Karaali, S. Ak +3
Colour Transformations between BVRc and g'r'i' Photometric Systems for Giant Stars
S. Ak, T. Ak, S. Karaali +9
The investigation of ELAIS field by Vega photometry: Absolute - magnitude dependent on the Galactic model parameters
S. Bilir, S. Karaali, G. Gilmore
Mass loss and orbital period decrease in detached chromospherically active binaries
O. Demircan, Z. Eker, Y. Karatas +1
Effective Temperatures of Selected Main-sequence Stars with Most Accurate Parameters
F. Soydugan, Z. Eker, E. Soydugan +6
Local Stellar Kinematics from RAVE data - VI. Metallicity Gradients Based on the F-G Main-sequence Stars
O. Plevne, T. Ak, S. Karaali +3
First identification and absolute magnitudes of the red clump stars in the Solar neighbourhood for WISE
E. Yaz Gokce, S. Bilir, N. D. Ozturkmen +4
Study of Eclipsing Binary and Multiple Systems in OB Associations: I. Ori OB1a - IM Mon
H. Bakis, V. Bakis, S. Bilir +5
A Universal Vertical Stellar Density Distribution Law for the Galaxy
S. Karaali, E. Hamzaoglu, S. Bilir
Local Stellar Kinematics from RAVE data - VII. Metallicity Gradients from Red Clump Stars
O. Onal Tas, S. Bilir, G. M. Seabroke +4
Towards Understanding the Nature of Young Detached Binary System HD 350731
F. Soydugan, F. Alicavus, S. Bilir +3
Comprehensive analysis of RGU photometry in the direction to M5
S. Karaali, S. Bilir, R. Buser
The metallicity distributions in high-latitudes with SDSS
S. Ak, S. Bilir, S. Karaali +2
Local stellar kinematics from RAVE data: IV. Solar neighbourhood age-metallicity relation
S. Duran, S. Ak, S. Bilir +4
Transformations between 2MASS, SDSS and BVI photometric systems for late-type giants
E. Yaz, S. Bilir, S. Karaali +3
Metallicity Calibration and Photometric Parallax Estimation: II. SDSS photometry
S. Tuncel Guctekin, S. Bilir, S. Karaali +4
Formation and Evolution of W UMa Stars: Fallacies and Corrections
Z. Eker, O. Demircan, S. Bilir
A New Ranking Scheme for the Institutional Scientific Performance
S. Bilir, E. Gogus, O. Onal Tas +1
A comprehensive study of the open cluster NGC 6866
Z. F. Bostanci, T. Ak, T. Yontan +15
Identification of field dwarfs and giants in RAVE
S. Bilir, S. Karaali, S. Ak +3
CCD UBV photometric study of five open clusters - Dolidze 36, NGC 6728, NGC 6800, NGC 7209 and Platais 1
Z. F. Bostanci, T. Yontan, S. Bilir +9
New colour-transformations for the Sloan photometry and revised metallicity calibration and equations for photometric parallax estimation
S. Karaali, S. Bilir, S. Tuncel
Absolute Magnitude Calibration for Red Giants based on the Colour-Magnitude Diagrams of Galactic Clusters. III-Calibration with 2MASS
S. Karaali, S. Bilir, E. Yaz Gokce
The early-type near-contact binary system V337 Aql revisited
M. Tuysuz, F. Soydugan, S. Bilir +3
CCD UBV photometry of the open cluster NGC 6819
T. Ak, Z. F. Bostanci, T. Yontan +5
Local stellar kinematics from RAVE data: III. Radial and Vertical Metallicity Gradients based on Red Clump Stars
S. Bilir, S. Karaali, S. Ak +5
Dynamical evolution of active detached binaries on log Jo - log M diagram and contact binary formation
Z. Eker, O. Demircan, S. Bilir +1
Absolute Dimensions and Apsidal Motion of the Young Detached System LT Canis Majoris
V. Bakis, I. Bulut, S. Bilir +3
Kinematics of W UMa-type binaries and evidences on the two types of formation
S. Bilir, Y. Karatas, O. Demircan +1
Photometric Calibration of the [$α$/Fe] Element: I. Calibration with UBV Photometry
S. Karaali, E. Yaz Gokce, S. Bilir
A New Metallicity Calibration for Dwarfs for the RGU-Photometry
S. Karaali, S. Bilir
CCD UBVRI photometry of NGC 6811
T. Yontan, S. Bilir, Z. F. Bostancı +6
The Catalogue of Stellar Parameters from the Detached Double-Lined Eclipsing Binaries in the Milky Way
Z. Eker, S. Bilir, F. Soydugan +5
Absolute Magnitude Calibration for Giants based on the Colour-Magnitude Diagrams of Galactic Clusters. II-Calibration with SDSS
S. Karaali, S. Bilir, E. Yaz Gokce