All names: GALEX J030516.6-044753, TIC 439914144, KUV 03028-0459, BPS CS 22963-0022, 2MASS J03051663-0447536, CHSS 3934, Gaia DR3 5182845376633812608, KUV03028-0459, Gaia DR2 5182845376633812608, PB 9468
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 03 05 16.60 | 03 05 16.64 (0.03) | ||
Declination | -04 47 53.18 | -04 47 53.65 (0.03) | ||
Spectral type | sdB | sdB | ||
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] | 0.29 (0.07) | 0.19 (0.04) | |
Distance | [pc] | 3479.47 (838) | 5157.30 (1064) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 10.846 (0.1) | 10.758 (0.04) | |
Proper motion (declination) | [mas/yr] | -6.894 (0.1) | -6.981 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.13 | |||
V magnitude | 15.23 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.38 (0.05) | 15.38 (0.05) | ||
H magnitude | 15.41 (0.1) | 15.41 (0.1) | ||
K magnitude | 15.31 (0.1) | 15.31 (0.1) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.19 (0.0006) | 15.17 (0.003) | ||
BP magnitude | 15.12 (0.005) | |||
RP magnitude | 15.24 (0.004) | |||
Pan g magnitude | 15.06 (0.005) | |||
Pan r magnitude | 15.33 (0.002) | |||
Pan i magnitude | 15.59 (0.002) | |||
Pan z magnitude | 15.78 (0.003) | |||
Pan y magnitude | 15.88 (0.005) | |||
E(B-V) | 0.029 |
* 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.