All names: [TFW97] J123645.29+475523.20, Gaia DR2 1543778685487242368, TIC 444045724, 1RXS J123645.3+475530, RBS 1131, RE J1236+47, WD 1234+482, [ZEH2003] RX J1236.7+4755 1, 2RE J123644+475528, LAMOST J123645.11+475522.0, RE J123644+475529, WD 1234+481, RX J1236.7+4755, Gaia EDR3 1543778685487865856, PG 1234+482, 2RE J1236+475, GSC 03456-01131, 2MASS J12364518+4755223, 2EUVE J1236+47.9, RE J1236+475, SDSS J123645.11+475522.0, LAMOST J123645.14+475522.1, Balloon 114041005, Gaia DR3 1543778685487865856, HS 1234+4811, CHSS 2325, 2RXP J123645.2+475529, RX J1236.8+4755, EUVE J1236+47.9, LAMOST J123645.05+475521.5
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 36 45.01 (0.02) | 12 36 45.01 (0.03) | 12 36 45.01 | 12 36 45.14 (0.02) | 12 36 45.26 | |||||||
Declination | 47 55 21.23 (0.03) | 47 55 21.27 (0.03) | 47 55 21.23 | 47 55 22.22 (0.03) | 47 55 23.88 | |||||||
Spectral type | DA | DA | DA | DA | DA.9 | DA | ||||||
Effective temperature | [K] | 28547.0 | 56630.0 (1005) | 55040.0 (975) | ||||||||
log(g) | [cgs] | 7.15 | 7.86 (0.06) | 7.78 (0.06) | ||||||||
Mass | [M☉] | 0.335 | 0.64 (0.03) | 0.61 (0.02) | ||||||||
log(Luminosity) | [L☉] | 0.35 | ||||||||||
Cooling age | [Gyr] | 0.0108 | 0.0017 | |||||||||
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] | 7.10 (0.05) | 7.09 (0.05) | 7.10 | 7.09 (0.05) | 6.30 | ||||||
Distance | [pc] | 140.94 (0.9) | 141.07 (1) | 133.00 | 144.00 | 140.94 | 140.94 (0.9) | 158.73 | ||||
Composition | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -86.54878464 (0.03) | -86.68445925 (0.05) | -86.549 (0.03) | ||||||||
Proper motion (declination) | [mas/yr] | -61.49387735 (0.04) | -61.54756217 (0.06) | -61.494 (0.04) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | 14.45 | 14.38 | ||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | 14.98 (0.04) | |||||||||||
H magnitude | 14.96 (0.07) | |||||||||||
K magnitude | 14.94 (0.1) | |||||||||||
u magnitude | 13.65 (0.01) | 13.64 | ||||||||||
g magnitude | 14.10 (0.03) | 14.07 | ||||||||||
r magnitude | 14.63 (0.03) | 14.64 | ||||||||||
i magnitude | 15.00 (0.02) | 14.99 | ||||||||||
z magnitude | 15.32 (0.02) | 15.30 | ||||||||||
G magnitude | 14.37 (0.001) | 14.37 | 14.37 | 14.37 (0.003) | ||||||||
BP magnitude | 14.18 (0.001) | 14.11 | ||||||||||
RP magnitude | 14.68 (0.001) | 14.67 | ||||||||||
Pan g magnitude | 14.19 (0.005) | |||||||||||
Pan r magnitude | 14.64 (0.003) | |||||||||||
Pan i magnitude | 15.03 (0.002) | |||||||||||
Pan z magnitude | 15.30 (0.004) | |||||||||||
Pan y magnitude | 15.45 (0.004) | |||||||||||
E(B-V) | 0.008 |
* 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.