Dauban V2


nameDauban V2
constellationVul
J2000.020 38 07.90 +21 05 21.5
other names2MASS J20380788+2105215
ASAS J203807+2105.4
IRAS 20359+2054
UCAC4 556-122718
USNO-B1.0 1110-0525217
typeM
mag range11.6 - <15.6 V
period (days)228
epoch13 Dec 2012 (HJD 2456275)
colorJ-K = 1.35
remarkslarge 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
discovery18/10/2012
DSS2-R
DSS2-IR