Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Milcho K. Tsvetkov"'
Autor:
Milcho K. Tsvetkov, Katya P. Tsvetkova
Publikováno v:
Symposium - International Astronomical Union. 137:105-108
A catalogue of known flare stars in the region of the emission nebulae NGC 7000 - IC 5068-70 and IC 1318 a,b,c in Cygnus is presented. The UBV magnitudes and spectral types, as far as available, for 96 flare stars and their 144 flares were collected.
Autor:
Milcho K. Tsvetkov, Katya P. Tsvetkova
Publikováno v:
Flare Stars in Star Clusters, Associations and the Solar Vicinity ISBN: 9780792307716
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d00c7ffc775a2235e7c2d6a3b09bf57
https://doi.org/10.1007/978-94-009-0607-5_25
https://doi.org/10.1007/978-94-009-0607-5_25
Publikováno v:
Symposium - International Astronomical Union. 137:xi-xii
Autor:
Milcho K. Tsvetkov
Publikováno v:
Astronomy with Schmidt-Type Telescopes ISBN: 9789400963894
The 50/70 Schmidt telescope at the National Astronomical Observatory (NAO), Bulgarian Academy of Sciences, is an example of the possibilities for a long-term operation and everlasting actuality of these types of telescopes. Originally, this telescope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb81511d3e5db3af404ab285c5aa1319
https://doi.org/10.1007/978-94-009-6387-0_31
https://doi.org/10.1007/978-94-009-6387-0_31