All names: UCAC4 063-002731, Gaia DR3 4626935493086891648, Gaia DR2 4626935493086891648, TIC 238195420, EC 03496-7742, EC03496-7742, GALEX J034757.7-773258, 2MASS J03475796-7732580
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 03 47 57.79 | 03 47 57.94 (0.04) | ||
Declination | -77 32 57.88 | -77 32 57.97 (0.04) | ||
Spectral type | sdB+F | sdB+F | ||
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] | 0.13 (0.05) | 0.20 (0.04) | |
Distance | [pc] | 7782.10 (3307) | 4987.53 (943) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 4.811 (0.09) | 4.866 (0.04) | |
Proper motion (declination) | [mas/yr] | 8.077 (0.1) | 7.902 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 16.69 | |||
V magnitude | 16.24 (0.09) | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.95 (0.1) | 15.95 (0.1) | ||
H magnitude | 15.64 (0.1) | 15.64 (0.1) | ||
K magnitude | 15.54 (0.2) | 15.54 (0.2) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 16.55 (0.001) | 16.52 (0.003) | ||
BP magnitude | 16.65 (0.007) | |||
RP magnitude | 16.26 (0.006) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.076 |
* 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.