All names: Gaia DR2 3940955205038857728, WD 1249+182, USNO-B1.0 1079-00257090, WD 1249+18, Gaia EDR3 3940955205038857728, Gaia DR3 3940955205038857728, 2MASS J12522332+1756548, J1252+1756, SDSS J125223.27+175654.7, GALEX J125223.2+175653, WDJ125223.31+175654.58, GEN# +6.10060151, TIC 198484330, GD 151, 1SWASP J125223.56+175651.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 52 23.20 (0.04) | 12 52 23.20 (0.05) | 12 52 23.20 | 12 52 23.31 (0.04) | 12 52 23.20 | 12 52 23.93 | ||||||||
Declination | 17 56 55.01 (0.02) | 17 56 54.99 (0.04) | 17 56 55.01 | 17 56 54.58 (0.02) | 17 56 54.99 | 17 56 48.84 | ||||||||
Spectral type | DA | DA | DA | DA | DA | DA2.5 | DA3 | |||||||
Effective temperature | [K] | 19809.0 (264) | 19809.0 (264) | 17925.0 | 20400.0 (313) | 19911.0 (25) | 20091.0 (227) | |||||||
log(g) | [cgs] | 7.88 (0.01) | 7.88 (0.01) | 7.77 | 7.84 (0.05) | 7.73 (0.004) | 7.89 (0.01) | |||||||
Mass | [M☉] | 0.558 (0.008) | 0.557 (0.008) | 0.496 | 0.54 (0.02) | 0.566 (0.008) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.0677 | ||||||||||||
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] | 10.80 (0.04) | 10.80 (0.06) | 10.80 | 10.80 (0.04) | 10.80 (0.06) | ||||||||
Distance | [pc] | 92.63 (0.4) | 92.61 (0.5) | 99.00 | 92.63 | 92.63 (0.4) | 92.61 (0.5) | |||||||
Composition | H | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -99.66432689 (0.06) | -99.5794096 (0.1) | -99.664 (0.06) | -99.5794096 | |||||||||
Proper motion (declination) | [mas/yr] | 26.67831414 (0.05) | 26.47025632 (0.09) | 26.678 (0.05) | 26.47025632 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | 15.40 | |||||||||||||
V magnitude | 15.48 | 15.48 | ||||||||||||
R magnitude | 14.70 | |||||||||||||
I magnitude | ||||||||||||||
J magnitude | 15.65 (0.07) | |||||||||||||
H magnitude | 15.85 (0.2) | |||||||||||||
K magnitude | ||||||||||||||
u magnitude | 15.38 (0.005) | 15.38 (0.005) | ||||||||||||
g magnitude | 15.29 (0.004) | 15.29 (0.004) | ||||||||||||
r magnitude | 15.63 (0.004) | 15.63 (0.004) | ||||||||||||
i magnitude | 15.94 (0.005) | 15.94 (0.005) | ||||||||||||
z magnitude | 16.23 (0.008) | 16.23 (0.008) | ||||||||||||
G magnitude | 15.46 (0.002) | 15.48 | 15.46 | 15.46 (0.003) | 15.48 | |||||||||
BP magnitude | 15.38 (0.002) | 15.35 | 15.35 | |||||||||||
RP magnitude | 15.64 (0.003) | 15.65 | 15.65 | |||||||||||
Pan g magnitude | 15.33 (0.003) | |||||||||||||
Pan r magnitude | 15.64 (0.004) | |||||||||||||
Pan i magnitude | 15.96 (0.003) | |||||||||||||
Pan z magnitude | 16.21 (0.004) | |||||||||||||
Pan y magnitude | 16.39 (0.005) | |||||||||||||
E(B-V) | 0.005 |
* 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.