Садржај
Слике
Уплоадјуј своје слике
DSS Images Other Images
Везани чланци
An investigation of the stellar association containing the 1.95 day Cepheid SU Cassiopeiae
The results of photometric and spectroscopic observations of SU Cas andthe surrounding dust complex are reported. UBV photometry was made ofearly type stars in the dust complex on eight nights in 1978-79 and afurther 10 stars were surveyed within 7 arcmin of SU Cas. Spectroscopicmeasurements were also made of the objects in order to obtain radialvelocities and equivalent widths. The data suggest the region has amoving cluster (BA association) 30 pc in angular extent, with the 1.95arcday Cepheid SU Cas as a member. The association is 255-261 pc distantand has a 6 pc spread between members. The association stars are around120 Myr old, typical of 4 solar mass stars. Finally, the core membersinclude visual and spectroscopic binary system and a short-periodCepheid.
|
Додај нови чланак
Линкови у сродству са темом
Додај нови линк
Чланови следећих група \:
|
Посматрања и Астрометриски подаци
| Сазвежђа: | Жирафа |
| Ректацензија: | 03h34m00.04s |
| Deклинација: | +64°26'56.0" |
| Apparent магнитуда: | 9.092 |
| Proper motion RA: | -4.3 |
| Proper motion Dec: | -0.9 |
| B-T magnitude: | 9.344 |
| V-T magnitude: | 9.113 |
Каталог и designations:
|
