All names: Gaia DR3 238839179961624192, TIC 177915317, FBS B 34, Gaia DR2 238839179961624192, SDSSJ031415.85+394654.0, 2MASS J03141585+3946539, SDSS J031415.85+394654.0, FBS 0311+395
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 03 14 15.85 | 03 14 15.86 (0.02) | ||
Declination | 39 46 54.00 | 39 46 54.01 (0.02) | ||
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] | 0.04 (0.05) | 0.12 (0.03) | |
Distance | [pc] | 22935.78 (26355) | 8319.47 (2042) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 0.356 (0.09) | 0.434 (0.04) | |
Proper motion (declination) | [mas/yr] | -0.173 (0.07) | -0.322 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 14.43 (0.03) | 14.43 (0.03) | ||
H magnitude | 14.49 (0.05) | 14.49 (0.05) | ||
K magnitude | 14.54 (0.08) | 14.54 (0.08) | ||
u magnitude | 14.77 (0.004) | 14.77 (0.004) | ||
g magnitude | 14.58 (0.008) | 14.58 (0.008) | ||
r magnitude | 14.51 (0.004) | 14.51 (0.004) | ||
i magnitude | 14.68 (0.005) | 14.68 (0.005) | ||
z magnitude | 14.86 (0.005) | 14.86 (0.005) | ||
G magnitude | 14.42 (0.0004) | 14.40 (0.003) | ||
BP magnitude | 14.39 (0.004) | |||
RP magnitude | 14.37 (0.002) | |||
Pan g magnitude | 14.37 (0.005) | |||
Pan r magnitude | 14.53 (0.002) | |||
Pan i magnitude | 14.74 (0.006) | |||
Pan z magnitude | 14.87 (0.003) | |||
Pan y magnitude | 14.94 (0.003) | |||
E(B-V) | 0.165 |
* 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.