Prof. Nadejda T. Kaltcheva

University of Wisconsin Oshkosh, USA

Email: kaltchev@uwosh.edu

Qualifications

Ph.D., State University of Sofia, Bulgaria

M.Sc., State University of Sofia, Bulgaria

Publications (Selected)

1. Piehl, D., Briley, M. & Kaltcheva, N., 2010, “Strömgren-Hβ photometry of stars in dark clouds”, Astronomische Nachrichten, accepted
2. Kaltcheva, N. & Scorcio, M., 2010, “The Carina Spiral Feature: Strömgren-Hβ photometry approach. II. Precise photometric distances and reddening”, Astronomy and Astrophysics, 514, A59
3. Kaltcheva, N. , Kuchera, A. & Hathaway, C., 2010, “A uvbyβ photometric analysis of the Monoceros star-forming field”, Astronomische Nachrichten, Vol.331, Issue 4, p.384
4. Kaltcheva, N., 2009, “Strömgren-Hβ photometry photometry of O and B stars in Norma”, The Publications of the Astronomical Society of the Pacific, Volume 121, Issue 886, pp. 1326-1333
5. Kaltcheva, N., 2009, “Lacerta OB1 revisited”, The Publications of the Astronomical Society of the Pacific, Volume 121, Issue 884, pp. 1045-1053
6. Kaltcheva, N. & Makarov V., 2007, “The structure and the distance of Cr121 from Hipparcos and photometry: resolving the discrepancy”, Astrophysical Journal, 667L, 155
7. Kaltcheva, N., Jaeger, S., Kaba Bah, M. & Briley, M. M., 2005, “The Field of IC 2602: Strömgren-Hβ photometry approach”, Astronomische Nachrichten , 326, 738
8. Kaltcheva N., 2003, “The Carina Spiral Feature: Strömgren-Hβ photometry photometry approach. I. The photometric database", Astronomy and Astrophysics, 410, 523
9. Kaltcheva N., Knude J. & Georgiev V., 2003, “Interrelations between Vilnius and Strömgren photometric systems: the luminosity indicator v-X”, Astronomy and Astrophysics, 407, 377
10. Kaltcheva N. & Knude J., 2002, “Transformations between Vilnius and Strömgren photometric systems", Astronomy and Astrophysics, 385, 1107
11. Knude J. & Kaltcheva N., 2002, “Transformations between Vilnius and Strömgren-Hβ photometric systems”, Astronomy and Space Science, 280, 67-70
12. Kaltcheva N., Gredel R. & Fabricius C., 2001, ``The association surrounding NGC 2439'', Astronomy and Astrophysics, 372, 95
13. Kaltcheva N., 2000, “The region of Collinder 121”, Monthly Notices of the Royal Astronomical Society, 318, 1023
14. Kaltcheva N., Olsen E. H. & Clausen J. V., 2000, “Strömgren-Hβ photometry of O and B type stars in star-forming regions. III. Carina Spiral Feature”, A&AS , 146, 365
15. Kaltcheva N. & Hilditch R., 2000, ``The distribution of bright OB-stars in the Canis Major - Puppis - Vela region of the Milky Way'', Monthly Notices of the Royal Astronomical Society, 312, 753.
16. Kaltcheva N., Olsen E. H.& Clausen J. V., 1999, “Strömgren-Hβ photometry of O and B type stars in star-forming regions. II. Monoceros OB2, Canis Major OB1 and Collinder 121”, Astronomy and Astrophysics, 352, 605
17. Kaltcheva N. & Olsen E. H., 1999, “Strömgren-Hβ photometry of O and B type stars in star-forming regions. I. Canis Major - Puppis – Vela”, Astronomy and Astrophysics, 352, 600
18. Kaltcheva N. & Knude J., 1998, “A test of B-type star Strömgren-Hβ photometric distances via the Hipparcos parallaxes”, Astronomy and Astrophysics, 337, 178
19. Kaltcheva N., 1998, “Strömgren-Hβ photometry of OB stars in the region of the Carina Spiral Feature", Astronomy and Astrophysics Supplement Series, 128, 309
20. Kunchev P. & Kaltcheva N., 1997, “New massive star cluster candidates in M33 galaxy”, Astrophysics & Space Science, 253, 301