All names: TIC 14854216, Gaia DR3 3165833214360606208, SDSS J073737.20+154131.30, 2MASS J07373721+1541318, SDSS J073737.20+154131.3, Gaia EDR3 3165833214360606208, SDSS J073737.20+154131.4, Gaia DR2 3165833214360606208
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 07 37 37.18 (0.07) | 07 37 37.20 | 07 37 37.19 (0.09) | 07 37 37.18 | 07 37 37.21 (0.07) | 07 37 37.20 | ||||||||
Declination | 15 41 30.99 (0.06) | 15 41 31.34 | 15 41 31.01 (0.08) | 15 41 30.99 | 15 41 31.55 (0.06) | 15 41 31.34 | ||||||||
Spectral type | DBZA | DB | DB | DB | DBAZ | DB | ||||||||
Effective temperature | [K] | 14021.0 (158) | 14632.0 | 13990.0 | 14070.0 | 14564.0 (330) | 15403.0 (89) | |||||||
log(g) | [cgs] | 8.11 (0.01) | 8.18 | 8.11 | 8.11 | 8.16 (0.03) | 8.73 (0.05) | |||||||
Mass | [M☉] | 0.655 (0.01) | 0.696 | 0.651 | 0.655 | 0.688 (0.02) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.2920 | ||||||||||||
log(H/He) | -6.0 | -5.95 | ||||||||||||
log(C/He) | ||||||||||||||
log(Ca/He) | ||||||||||||||
log(Ca/H) | ||||||||||||||
log(N/He) | ||||||||||||||
log(O/He) | ||||||||||||||
log(Na/He) | ||||||||||||||
log(Mg/He) | ||||||||||||||
log(Al/He) | ||||||||||||||
log(Si/He) | ||||||||||||||
log(P/He) | ||||||||||||||
log(S/He) | ||||||||||||||
log(Cl/He) | ||||||||||||||
log(Sc/He) | ||||||||||||||
log(Ti/He) | ||||||||||||||
log(V/He) | ||||||||||||||
log(Cr/He) | ||||||||||||||
log(Mn/He) | ||||||||||||||
log(Fe/He) | ||||||||||||||
log(Co/He) | ||||||||||||||
log(Ni/He) | ||||||||||||||
log(Cu/He) | ||||||||||||||
log(Zn/He) | ||||||||||||||
log(Ga/He) | ||||||||||||||
log(Ge/He) | ||||||||||||||
log(Sr/He) | ||||||||||||||
Parallax | [mas] | 10.01 (0.07) | 9.98 (0.1) | 10.01 | 10.01 (0.07) | |||||||||
Distance | [pc] | 99.88 (0.7) | 100.23 (1) | 99.88 | 99.88 (0.7) | |||||||||
Composition | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -25.10664461 (0.07) | -25.33122642 (0.2) | -25.107 (0.07) | ||||||||||
Proper motion (declination) | [mas/yr] | -35.085912 (0.06) | -34.99993981 (0.1) | -35.086 (0.06) | ||||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | ||||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | 16.55 (0.2) | |||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | 16.39 (0.006) | 16.39 (0.006) | 16.40 (0.02) | |||||||||||
g magnitude | 16.44 (0.004) | 16.44 (0.004) | 16.45 (0.01) | |||||||||||
r magnitude | 16.72 (0.005) | 16.72 (0.005) | 16.73 (0.01) | |||||||||||
i magnitude | 16.96 (0.006) | 16.96 (0.006) | 16.94 (0.01) | |||||||||||
z magnitude | 17.21 (0.01) | 17.21 (0.01) | 17.17 (0.02) | |||||||||||
G magnitude | 16.58 (0.005) | 16.61 | 16.58 | 16.58 (0.003) | ||||||||||
BP magnitude | 16.53 (0.005) | 16.48 | ||||||||||||
RP magnitude | 16.64 (0.01) | 16.63 | ||||||||||||
Pan g magnitude | 16.49 (0.004) | |||||||||||||
Pan r magnitude | 16.73 (0.004) | |||||||||||||
Pan i magnitude | 16.98 (0.006) | |||||||||||||
Pan z magnitude | 17.21 (0.01) | |||||||||||||
Pan y magnitude | 17.34 (0.007) | |||||||||||||
E(B-V) | 0.002 |
* 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.