All names: SDSS J143729.15-021506.08, SDSSJ143729.14-021506.0, SDSS J143729.16-021506.3, TIC 111062985, Gaia DR2 3649606716989509888, SDSS J143729.16-021506.2, 2MASS J14372916-0215060, GALEX J143729.2-021507, Gaia DR3 3649606716989509888, SDSS J143729.15-021506.0, LAMOST J143729.14-021506.0, Gaia EDR3 3649606716989509888
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 37 29.15 (0.05) | 14 37 29.16 | 14 37 29.14 | 14 37 29.15 (0.07) | 14 37 29.16 (0.05) | ||||
Declination | -02 15 06.35 (0.05) | -02 15 06.30 | -02 15 06.00 | -02 15 06.35 (0.08) | -02 15 06.37 (0.05) | ||||
Spectral type | He-sdOB | He-sdB | sdBHe | ||||||
Effective temperature | [K] | 35870.0 (1180) | 37584.0 (196) | ||||||
log(g) | [cgs] | 5.70 (0.1) | 5.00 (0.05) | ||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.62 (0.06) | 0.61 (0.1) | 0.61 (0.1) | 0.62 (0.06) | ||||
Distance | [pc] | 1601.06 (164) | 1642.31 (272) | 1642.34 (272) | 1601.02 (164) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -10.36210979 (0.06) | -10.472 (0.1) | -10.47179654 (0.1) | -10.362 (0.07) | ||||
Proper motion (declination) | [mas/yr] | 1.332978163 (0.05) | 1.3 (0.1) | 1.299850068 (0.1) | 1.333 (0.05) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | 15.74 | ||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | 16.58 (0.1) | 16.58 (0.1) | |||||||
H magnitude | 16.38 | ||||||||
K magnitude | 16.81 | ||||||||
u magnitude | 15.31 (0.004) | 15.31 (0.004) | 15.31 (0.01) | 15.31 (0.004) | |||||
g magnitude | 15.60 (0.003) | 15.60 (0.003) | 15.64 (0.02) | 15.60 (0.003) | |||||
r magnitude | 16.08 (0.004) | 16.08 (0.004) | 16.07 (0.01) | 16.08 (0.004) | |||||
i magnitude | 16.44 (0.005) | 16.44 (0.005) | 16.42 (0.03) | 16.44 (0.005) | |||||
z magnitude | 16.77 (0.01) | 16.77 (0.01) | 16.77 (0.02) | 16.77 (0.01) | |||||
G magnitude | 15.86 (0.003) | 15.88 (0.002) | 15.88 | 15.86 (0.003) | |||||
BP magnitude | 15.72 (0.003) | 15.64 (0.02) | 15.64 | ||||||
RP magnitude | 16.15 (0.006) | 16.15 (0.005) | 16.15 | ||||||
Pan g magnitude | 15.68 (0.005) | 15.69 (0.005) | |||||||
Pan r magnitude | 16.11 (0.003) | 16.11 (0.003) | |||||||
Pan i magnitude | 16.48 (0.004) | 16.48 (0.004) | |||||||
Pan z magnitude | 16.76 (0.004) | 16.76 (0.004) | |||||||
Pan y magnitude | 16.95 (0.008) | 16.95 (0.008) | |||||||
E(B-V) | 0.046 |
* 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.