All names: CBS 451, TIC 141177665, LSPM J1200+4335, Gaia EDR3 1537794524729363712, 2MASS J12000339+4335418, PSO J180.0127+43.5947, NLTT 29233, G 122-61, GALEX J120003.3+433541, 12000+4335, SDSS J120003.28+433541.5, GEN# +9.80122061, WIRED J120003.28+433541.5, SDSS J120003.29+433541.6, J1200+4335, Gaia DR3 1537794524729363712, PM J12000+4335, WD 1157+438, Gaia DR2 1537794524729363712, SDSS J120003.29+433541.5, WDJ120003.37+433541.71
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Tremblay et al. 2011 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 00 02.94 (0.03) | 12 00 03.28 | 12 00 02.96 (0.03) | 12 00 02.96 (0.03) | 12 00 02.94 | 12 00 03.37 (0.03) | 12 00 02.96 | 12 00 03.29 | 12 00 03.10 | 12 00 03.29 | |||||||||||||
Declination | 43 35 41.06 (0.03) | 43 35 41.55 | 43 35 41.08 (0.04) | 43 35 41.08 (0.04) | 43 35 41.06 | 43 35 41.70 (0.03) | 43 35 41.08 | 43 35 41.55 | 43 35 35.88 | 43 35 41.55 | |||||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 7788.0 (37) | 7887.0 (72) | 7900.0 (28) | 7796.9 (56) | 7788.0 (36) | 7855.0 (75) | 7864.0 | 7730.0 (111) | 7830.0 (20) | 7920.0 (50) | 7833.0 (42) | 8165.0 (17) | 7709.0 (18) | |||||||||
log(g) | [cgs] | 7.87 (0.008) | 7.88 (0.03) | 7.90 (0.006) | 7.86 (0.02) | 7.87 (0.009) | 7.89 (0.02) | 7.89 | 7.82 (0.06) | 7.94 (0.03) | 8.19 (0.07) | 7.87 (0.01) | 8.39 (0.03) | 7.82 (0.03) | |||||||||
Mass | [M☉] | 0.519 (0.007) | 0.526 (0.01) | 0.538 (0.006) | 0.518 (0.007) | 0.534 (0.01) | 0.53 | 0.49 (0.03) | 0.56 (0.02) | 0.71 (0.04) | 0.521 (0.007) | 0.501 (0.01) | |||||||||||
log(Luminosity) | [L☉] | -3.18 | |||||||||||||||||||||
Cooling age | [Gyr] | 1.0100 | 0.9740 (0.04) | 0.9611 | 1.0471 | ||||||||||||||||||
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] | 26.79 (0.04) | 26.79 (0.04) | 26.76 (0.05) | 26.76 (0.05) | 26.76 (0.05) | 26.76 (0.05) | 26.79 | 26.79 (0.04) | 26.76 (0.05) | |||||||||||||
Distance | [pc] | 37.33 (0.06) | 37.33 (0.06) | 37.37 (0.07) | 37.37 (0.07) | 37.37 (0.07) | 37.37 (0.07) | 37.50 (1) | 33.00 | 37.33 | 37.33 (0.06) | 37.37 (0.07) | |||||||||||
Composition | H | H | H | H | H | H | H | ||||||||||||||||
Proper motion (right ascension) | [mas/yr] | -292.3907544 (0.04) | -292.2875351 (0.05) | -292.391 (0.04) | -292.288 | -292.9 | |||||||||||||||||
Proper motion (declination) | [mas/yr] | -40.34361578 (0.04) | -40.58400785 (0.09) | -40.344 (0.04) | -40.584 | -37.0 | |||||||||||||||||
Variability | |||||||||||||||||||||||
Magnetic | |||||||||||||||||||||||
Bd | [MG] | ||||||||||||||||||||||
Infrared excess (disk) | |||||||||||||||||||||||
Binarity | |||||||||||||||||||||||
B magnitude | 16.01 | ||||||||||||||||||||||
V magnitude | 15.71 | ||||||||||||||||||||||
R magnitude | 15.60 | ||||||||||||||||||||||
I magnitude | |||||||||||||||||||||||
J magnitude | 15.23 (0.007) | 15.20 (0.04) | 15.20 (0.04) | ||||||||||||||||||||
H magnitude | 15.20 (0.07) | 15.20 (0.07) | 15.20 (0.07) | ||||||||||||||||||||
K magnitude | 15.32 (0.1) | 15.32 (0.1) | 15.32 (0.1) | ||||||||||||||||||||
u magnitude | 16.30 (0.006) | 16.31 (0.006) | 16.30 (0.006) | 16.30 (0.006) | 16.28 (0.01) | 16.28 | 16.29 (0.01) | ||||||||||||||||
g magnitude | 15.83 (0.004) | 15.82 (0.004) | 15.83 (0.004) | 15.85 (0.03) | 15.85 | 15.87 (0.03) | |||||||||||||||||
r magnitude | 15.77 (0.004) | 15.76 (0.003) | 15.77 (0.004) | 15.74 (0.01) | 15.74 | 15.76 (0.01) | |||||||||||||||||
i magnitude | 15.77 (0.004) | 15.77 (0.004) | 15.77 (0.004) | 15.77 (0.02) | 15.77 | 15.78 (0.02) | |||||||||||||||||
z magnitude | 15.85 (0.006) | 15.86 (0.003) | 15.85 (0.006) | 15.86 (0.01) | 15.86 | 15.86 (0.01) | |||||||||||||||||
G magnitude | 15.70 (0.003) | 15.72 | 15.72 | 15.70 | 15.70 (0.003) | 15.72 | |||||||||||||||||
BP magnitude | 15.84 (0.003) | 15.83 | 15.83 | ||||||||||||||||||||
RP magnitude | 15.45 (0.002) | 15.45 | 15.45 | ||||||||||||||||||||
Pan g magnitude | 15.82 (0.004) | 15.82 (0.004) | 15.82 (0.004) | ||||||||||||||||||||
Pan r magnitude | 15.76 (0.003) | 15.76 (0.003) | 15.76 (0.003) | ||||||||||||||||||||
Pan i magnitude | 15.80 (0.01) | 15.80 (0.01) | 15.80 (0.01) | ||||||||||||||||||||
Pan z magnitude | 15.86 (0.003) | 15.86 (0.003) | 15.86 (0.003) | ||||||||||||||||||||
Pan y magnitude | 15.93 (0.006) | 15.93 (0.006) | 15.93 (0.006) | ||||||||||||||||||||
E(B-V) | 0.001 |
* 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.