Address:

Institute of Theoretical Physics and Astronomy,
Gostauto 12, Vilnius 2600,
Lithuania
Tel. 621117, 613440,

Research Areas:

Fundamental parameters, photometric classification, and data base of population II stars
HIPPARCOS project
Double and multiple stars
Radial velocities

Current Projects:

HR diagram of metal-deficient stars
Compilation of new version of the Catalogue of CH and Related Stars
Population II binaries: compilation of catalogs, photometric properties and classification, radial velocities

Selected References:

1. BARTKEVICIUS, A., 1996. A new version of the Catalog of CH and related stars (CH95 Catalog). Baltic Astron., 5,21.
2. BARTKEVICIUS, A., LAZAUSKAITE, R., 1996. Classification of Population II stars in the Vilnius photometric system. I. Methods. Baltic Astron., 5, 1.
3. BARTKEVICIUS, A., LAZAUSKAITE, R., 1995. Catalogue of the Mean [Fe/H], Teff, and log g Values of Population II F-M Stars. Standard Star Newsletter. No. 18, 18.
4. BARTKEVICIUS, A., 1995. Trigonometric Parallaxes of Population II Stars. Standard Star Newsletter. No. 18, 20.
5. BARTKEVICIUS, A. 1994, HIPPARCOS Programme for Field Metal-Deficient F-M Stars. Baltic Astron., 3, 30.
6. BARTKEVICIUS, A., 1994, Catalogues of Field Population II Stars. Baltic Astron., 3, 34.
7. BARTKEVICIUS, A., SPERAUSKAS, J., 1994. Progress report on the radial velocity measurement programme of population II stars. Baltic Astron., 3, 1.
8. BARTKEVICIUS, A., 1993. The Catalogue of Metal-deficient F-M Stars. Part II. Stars Classified Photometrically. (MDPH Catalogue). Baltic Astron., 2, 294.
9. BARTKEVICIUS, A., BARTKEVICIENE, D. 1993. A Preliminary Version of the Catalogue of Field Population II Stars on Magnetic Tape. (POP2 Catalogue). CDS. Strasbourg. Magnetic Tape S5072. Bull. Inform. CDS, No. 42, 19.
10. BARTKEVICIUS, A., LAZAUSKAITE, R., TAUTVAISIENE, G., 1992. Classification of Population II supergiants and related stars in the Vilnius system. Baltic Astron.,1, 21.
11. BARTKEVICIUS, A., 1992. Catalogue of population II A-F supergiants: UU Herculis and related stars. Baltic Astron., 1, 11.
12. BARTKEVICIUS, A., SPERAUSKAS, J., RASTORGUEV, A.S., TOKOVININ, A.A. 1992. Radial Velocities of Population II Stars. I. Baltic Astron., 1, 47.
13. SLEIVYTE, J., BARTKEVICIUS, A., 1990, Catalogue of CH and metal-deficient barium stars. Bull. Vilnius Obs., No. 85, 3.
14. BARTKEVICIUS, A., TAUTVAISIENE, G., 1987. Three-dimensional classification of 78 metal-deficient giants in the Vilnius photometric system. Bull. Vilnius Obs., No. 76, 1.
15. BARTKEVICIUS, A., BARTKEVICIENE, V.-D., JODINSKIENE, E., 1987. Identification Catalogue of Metal- Deficient F-M Stars Classified Spectroscopically (MDSPID). Bull. Vilnius Obs., No. 76, 32. CDS. Strasbourg. Magnetic Tape S4020, M0026.
16. BARTKEVICIUS, A., 1984. Catalogue of metal-deficient F-M stars. Part 1. Stars classified spectroscopically. Supplement 1. Bull. Vilnius Obs., No. 68, 1.
17. BARTKEVICIUS, A., 1984. Metal-deficient giants in the galactic field. Catalogue and some physical parameters. Bull. Vilnius Obs., No. 66, 1.
18. BARTKEVICIUS, A., SPERAUSKAS, J., 1983. Three-dimensional classification of F-M type halo stars in the Vilnius photometric system. Bull. Vilnius Obs., No. 63, 1.
19. BARTKEVICIUS, A., STRAIZYS, V., 1981. On some extreme metal-deficient giants. A&A, 104, 21.
20. STRAIZYS, V., BARTKEVICIUS, A., SPERAUSKAS, J., 1981. Possible red horizontal branch stars in the Galactic field. A&A, 99, 11.
21. BARTKEVICIUS, A., 1980. The catalogue of metal-deficient F-M stars. Part I. Stars classified Spectroscopically. (MDSP). Bull. Vilnius Obs., No. 51, 3.
22. BARTKEVICHIUS, A., SPERAUSKAS, J., 1974. Photoelectric photometry of metal-deficient stars and other peculiar stars using the Vilnius system. Bull. Vilnius Obs., No. 40, 3.