name | Dauban V2 |
constellation | Vul |
J2000.0 | 20 38 07.90 +21 05 21.5 |
other names | 2MASS J20380788+2105215 ASAS J203807+2105.4 IRAS 20359+2054 UCAC4 556-122718 USNO-B1.0 1110-0525217 |
type | M |
mag range | 11.6 - <15.6 V |
period (days) | 228 |
epoch | 13 Dec 2012 (HJD 2456275) |
color | J-K = 1.35 |
remarks | large spread of V values in catalogs: V=13.2 derived from UCAC3, V=13.7 in YB6, V=13.9 in GSC2.3, V=15.6 derived from CMC14 |
links |
ASAS J203807+2105.4 data Dauban V2 in AAVSO-VSX |
discovery | 18/10/2012 |