Project VS-COMPAS
Variable Stars Common Observation
Mission in Particular Areas of the Sky
1347 stars discovered as of Nov 15, 2015
| AAVSO UID: | 000-BKJ-581 [data] |
| Constellation: | Ursa Major |
| J2000.0: | 10 09 03.45 +51 37 45.8
152.26438 +51.62939
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| B1950.0: | 10 05 49.75 +51 52 29.6 |
| Other designations: |
2MASS J10090344+5137457
CSS_J100903.5+513746
GSC 03440-00864
NSVS 2534604
NSVS 4922144
UCAC3 284-110363
USNO-B1.0 1416-0220968
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| Var. type: | RRC |
| Spec. type: | -- |
| Mag. range: | 12.7 - 13.2 CV |
| Epoch: |
13 Feb 2009 (HJD 2454875.9380)
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Period changes. It was 0.260147 d. during the NSVS time span (1999-2000) but it was 0.260104 d. between 2005 and 2011. Elements by Sergey and Prokopovich (NSVS data): HJD 2451526.866 + 0.260147 x E
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| Period: 0.26010 |
Discoverer: Ivan Sergey, Andrey Prokopovich |
Visibility Chart
| Monday, November 24, 2025 |
Tuesday, November 25, 2025 |
| 13 | 14 | 15 | 16 | 17 | 18 |
19 | 20 | 21 | 22 | 23 | 00 |
01 | 02 | 03 | 04 | 05 | 06 |
07 | 08 | 09 | 10 | 11 | 12 |
Sun and Moon
| 17:14 |
@ 54.6° 09:08 |
@ 305.2° |
| 13:20 |
@ 318.8° 20:02 |
@ 43.6° |
| 13 | 14 | 15 | 16 | 17 | 18 |
19 | 20 | 21 | 22 | 23 | 00 |
01 | 02 | 03 | 04 | 05 | 06 |
07 | 08 | 09 | 10 | 11 | 12 |
VSX J100903.4+513745
| Circumpolar / The object is all day up |
| 13 | 14 | 15 | 16 | 17 | 18 |
19 | 20 | 21 | 22 | 23 | 00 |
01 | 02 | 03 | 04 | 05 | 06 |
07 | 08 | 09 | 10 | 11 | 12 |
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