All names: GALEX J125730.3-001150, WD 1254+000, MGC 39789, SDSS J125730.30-001151.0, SDSS J125730.32-001151.0, SDSS J125730.31-001150.8, Gaia DR3 3689364503398615168, Gaia EDR3 3689364503398615168, SDSS J125730.31-001150.9, SDSS J125730.31-001151.0, 2QZ J125730.2-001151, Gaia DR2 3689364503398615168
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 57 30.29 (0.2) | 12 57 30.32 | 12 57 30.29 (0.3) | 12 57 30.32 (0.2) | 12 57 30.32 | 12 57 29.78 | 12 57 30.31 | 12 57 30.31 | ||||||||
Declination | -00 11 51.08 (0.1) | -00 11 50.93 | -00 11 51.07 (0.2) | -00 11 50.98 (0.1) | -00 11 50.95 | -00 11 54.24 | -00 11 50.89 | -00 11 50.89 | ||||||||
Spectral type | DA | DA | DA | DA3 | DA1.5 | DA | DA1.5 | DA | DA | |||||||
Effective temperature | [K] | 30327.0 (316) | 19523.0 | 30020.0 (530) | 29354.0 (359) | 29752.0 (351) | 29805.0 (335) | |||||||||
log(g) | [cgs] | 7.59 (0.08) | 6.94 | 7.84 (0.1) | 7.73 (0.08) | 7.84 (0.08) | 7.99 (0.07) | |||||||||
Mass | [M☉] | 0.46 (0.03) | 0.252 | 0.57 (0.05) | 0.569 (0.04) | |||||||||||
log(Luminosity) | [L☉] | -0.61 (0.06) | ||||||||||||||
Cooling age | [Gyr] | 0.0066 (0.001) | 0.0105 | |||||||||||||
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] | 1.25 (0.2) | 1.05 (0.3) | 1.25 (0.2) | ||||||||||||
Distance | [pc] | 797.09 (147) | 950.85 (284) | 797.07 (147) | ||||||||||||
Composition | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -26.59854669 (0.3) | -27.24417017 (0.8) | -26.599 (0.3) | -10.1 | -9.0 | ||||||||||
Proper motion (declination) | [mas/yr] | -5.993508903 (0.2) | -5.899970686 (0.4) | -5.994 (0.2) | -12.0 | -10.0 | ||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | 18.92 | |||||||||||||||
V magnitude | 19.10 | |||||||||||||||
R magnitude | ||||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 20.00 (0.3) | |||||||||||||||
H magnitude | ||||||||||||||||
K magnitude | ||||||||||||||||
u magnitude | 18.60 (0.02) | 18.61 | 18.61 (0.02) | 18.62 (0.03) | 18.61 | 18.62 (0.03) | 18.61 (0.03) | |||||||||
g magnitude | 18.79 (0.008) | 18.79 | 18.79 (0.008) | 18.81 (0.02) | 18.79 | 18.81 (0.02) | 18.79 (0.03) | |||||||||
r magnitude | 19.25 (0.01) | 19.29 | 19.25 (0.01) | 19.27 (0.02) | 19.28 | 19.28 (0.02) | 19.28 (0.02) | |||||||||
i magnitude | 19.54 (0.02) | 19.53 | 19.54 (0.02) | 19.55 (0.02) | 19.53 | 19.56 (0.02) | 19.53 (0.03) | |||||||||
z magnitude | 19.80 (0.1) | 19.78 | 19.80 (0.1) | 19.80 (0.1) | 19.78 | 19.80 (0.1) | 19.78 (0.1) | |||||||||
G magnitude | 19.05 (0.02) | 19.09 | 19.05 (0.004) | |||||||||||||
BP magnitude | 18.94 (0.02) | 18.87 | ||||||||||||||
RP magnitude | 19.40 (0.06) | 19.24 | ||||||||||||||
Pan g magnitude | 18.87 (0.009) | |||||||||||||||
Pan r magnitude | 19.28 (0.01) | |||||||||||||||
Pan i magnitude | 19.62 (0.009) | |||||||||||||||
Pan z magnitude | 19.87 (0.05) | |||||||||||||||
Pan y magnitude | 19.80 (0.04) | |||||||||||||||
E(B-V) | 0.022 |
* 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.