All names: Gaia DR3 2309702230603610112, BPS CS 22876-0035, MCT 0003-3509, GALEX J000556.7-345306, 2MASS J00055671-3453066, TIC 70776745, MCT0003-3509, Gaia DR2 2309702230603610112
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 00 05 56.68 | 00 05 56.71 (0.03) | ||
Declination | -34 53 06.48 | -34 53 06.62 (0.03) | ||
Spectral type | sdB | sdBHe0 | ||
Effective temperature | [K] | |||
log(g) | [cgs] | |||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.71 (0.04) | 0.63 (0.04) | |
Distance | [pc] | 1412.43 (85) | 1591.09 (102) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 7.199 (0.07) | 6.645 (0.03) | |
Proper motion (declination) | [mas/yr] | -0.02 (0.06) | 0.252 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | 15.30 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 14.78 (0.04) | 14.78 (0.04) | ||
H magnitude | 14.54 (0.05) | 14.54 (0.05) | ||
K magnitude | 14.37 (0.08) | 14.37 (0.08) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.21 (0.0009) | 15.18 (0.003) | ||
BP magnitude | 15.22 (0.006) | |||
RP magnitude | 15.04 (0.003) | |||
Pan g magnitude | 15.63 | |||
Pan r magnitude | 15.46 | |||
Pan i magnitude | 15.36 (0.003) | |||
Pan z magnitude | 15.50 | |||
Pan y magnitude | 15.54 | |||
E(B-V) | 0.007 |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.