All names: 2MASS J12545806-0218378, TIC 53313486, Gaia DR3 3682458814461982592, [BGK2006] J125458.08-021837.8, GALEX J125458.0-021836, USNO-B1.0 0876-00342472, HE1252-0202, Gaia EDR3 3682458814461982592, WD 1252-020, Gaia DR2 3682458814461982592, ** SLN 72A, SDSS J125458.07-021837.7, HE 1252-0202, WDS J12550-0219A, SDSS J125458.07-021838.3, LAMOST J125458.07-021838.3, SDSS J125458.07-021838.34
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 54 58.07 (0.07) | 12 54 58.08 | 12 54 58.08 | 12 54 58.07 (0.1) | 12 54 58.10 | 12 54 58.07 | 12 54 58.08 (0.07) | 12 54 57.36 | ||||||||
Declination | -02 18 38.60 (0.04) | -02 18 37.79 | -02 18 37.79 | -02 18 38.57 (0.08) | -02 18 37.00 | -02 18 38.60 | -02 18 37.75 (0.04) | -02 18 32.76 | ||||||||
Spectral type | DA | DA | DA | DA | DA | DA3.0 | DA3.0 | DA | ||||||||
Effective temperature | [K] | 15123.0 | 17426.0 (329) | 16939.0 (49) | 15934.0 (64) | 16953.0 (112) | 15664.0 (317) | |||||||||
log(g) | [cgs] | 7.93 | 8.03 (0.07) | 8.10 (0.01) | 7.81 (0.01) | 7.89 (0.02) | 7.93 (0.02) | |||||||||
Mass | [M☉] | 0.571 | 0.64 (0.04) | 0.669 (0.005) | 0.56 | 0.576 (0.02) | ||||||||||
log(Luminosity) | [L☉] | |||||||||||||||
Cooling age | [Gyr] | 0.1706 | ||||||||||||||
log(H/He) | ||||||||||||||||
log(C/He) | ||||||||||||||||
log(Ca/He) | ||||||||||||||||
log(Ca/H) | ||||||||||||||||
log(C/H) | ||||||||||||||||
log(N/H) | ||||||||||||||||
log(O/H) | ||||||||||||||||
log(Na/H) | ||||||||||||||||
log(Mg/H) | ||||||||||||||||
log(Al/H) | ||||||||||||||||
log(Si/H) | ||||||||||||||||
log(P/H) | ||||||||||||||||
log(S/H) | ||||||||||||||||
log(Sc/H) | ||||||||||||||||
log(Ti/H) | ||||||||||||||||
log(Cr/H) | ||||||||||||||||
log(Mn/H) | ||||||||||||||||
log(Fe/H) | ||||||||||||||||
log(Ni/H) | ||||||||||||||||
Parallax | [mas] | 7.95 (0.08) | 8.14 (0.1) | 7.95 | 7.95 (0.08) | |||||||||||
Distance | [pc] | 125.73 (1) | 122.83 (2) | 125.73 | 125.73 (1) | |||||||||||
Composition | H | |||||||||||||||
Proper motion (right ascension) | [mas/yr] | -8.613107068 (0.1) | -8.695340279 (0.2) | -8.613 (0.1) | ||||||||||||
Proper motion (declination) | [mas/yr] | -53.39191653 (0.08) | -53.46626473 (0.1) | -53.392 (0.08) | ||||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | 16.50 | 16.80 | ||||||||||||||
V magnitude | 16.30 | 16.30 | ||||||||||||||
R magnitude | 17.30 | |||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 16.91 (0.2) | |||||||||||||||
H magnitude | ||||||||||||||||
K magnitude | ||||||||||||||||
u magnitude | 16.71 (0.007) | 16.71 (0.007) | 16.70 (0.01) | 16.71 (0.007) | ||||||||||||
g magnitude | 16.46 (0.004) | 16.46 (0.004) | 16.48 (0.02) | 16.46 (0.004) | ||||||||||||
r magnitude | 16.77 (0.004) | 16.77 (0.004) | 16.77 (0.01) | 16.77 (0.004) | ||||||||||||
i magnitude | 17.03 (0.005) | 17.03 (0.005) | 17.02 (0.02) | 17.02 (0.005) | ||||||||||||
z magnitude | 17.29 (0.02) | 17.29 (0.02) | 17.29 (0.02) | 17.29 (0.01) | ||||||||||||
G magnitude | 16.64 (0.005) | 16.65 | 16.64 | 16.64 (0.003) | ||||||||||||
BP magnitude | 16.59 (0.005) | 16.57 | ||||||||||||||
RP magnitude | 16.76 (0.007) | 16.77 | ||||||||||||||
Pan g magnitude | 16.51 (0.005) | |||||||||||||||
Pan r magnitude | 16.78 (0.005) | |||||||||||||||
Pan i magnitude | 17.06 (0.003) | |||||||||||||||
Pan z magnitude | 17.30 (0.004) | |||||||||||||||
Pan y magnitude | 17.47 (0.01) | |||||||||||||||
E(B-V) | 0.010 |
* 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.