All names: WD 0307+149, Gaia EDR3 31047257726638592, Gaia DR2 31047257726638592, GALEX J030953.9+150523, PG 0307+149, USNO-B1.0 1050-00032735, Gaia DR3 31047257726638592, 2MASS J03095394+1505217, WDJ030953.95+150521.83, US 3713, TIC 302462654
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | 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 | 03 09 53.89 (0.04) | 03 09 53.90 (0.06) | 03 09 53.89 | 03 09 53.95 (0.04) | 03 09 53.90 | 03 09 52.87 | |||||||
Declination | 15 05 20.38 (0.03) | 15 05 20.43 (0.04) | 15 05 20.38 | 15 05 21.83 (0.03) | 15 05 20.43 | 15 05 21.84 | |||||||
Spectral type | DA | DA | DA | DA2.3 | DA | ||||||||
Effective temperature | [K] | 19818.0 | 21976.0 (298) | 22340.0 (361) | 21413.0 (27) | 21725.0 (324) | |||||||
log(g) | [cgs] | 7.92 | 7.98 (0.09) | 8.04 (0.05) | 7.91 (0.004) | 8.01 (0.01) | |||||||
Mass | [M☉] | 0.577 | 0.619 (0.05) | 0.65 (0.03) | 0.632 (0.01) | ||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.0576 | |||||||||||
log(H/He) | |||||||||||||
log(C/He) | |||||||||||||
log(Ca/He) | |||||||||||||
log(Ca/H) | |||||||||||||
log(C/H) | <-8.30 | ||||||||||||
log(N/H) | |||||||||||||
log(O/H) | |||||||||||||
log(Na/H) | |||||||||||||
log(Mg/H) | |||||||||||||
log(Al/H) | |||||||||||||
log(Si/H) | -7.85 (0.1) | ||||||||||||
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] | 12.26 (0.04) | 12.28 (0.06) | 12.26 | 12.26 (0.04) | 12.28 (0.06) | |||||||
Distance | [pc] | 81.54 (0.3) | 81.45 (0.4) | 66.00 | 81.54 | 81.54 (0.3) | 81.45 (0.4) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -53.51395746 (0.05) | -53.45708701 (0.1) | -53.514 (0.05) | -53.45708701 | ||||||||
Proper motion (declination) | [mas/yr] | -90.63364236 (0.04) | -90.43630239 (0.08) | -90.634 (0.04) | -90.43630239 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 15.10 | 14.72 | |||||||||||
V magnitude | 15.38 (0.3) | ||||||||||||
R magnitude | 15.20 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 15.63 (0.07) | ||||||||||||
H magnitude | 15.75 (0.2) | ||||||||||||
K magnitude | |||||||||||||
u magnitude | |||||||||||||
g magnitude | |||||||||||||
r magnitude | |||||||||||||
i magnitude | |||||||||||||
z magnitude | |||||||||||||
G magnitude | 15.21 (0.002) | 15.23 | 15.21 | 15.21 (0.003) | 15.23 | ||||||||
BP magnitude | 15.12 (0.002) | 15.10 | 15.10 | ||||||||||
RP magnitude | 15.41 (0.002) | 15.40 | 15.40 | ||||||||||
Pan g magnitude | 15.08 (0.005) | ||||||||||||
Pan r magnitude | 15.40 (0.004) | ||||||||||||
Pan i magnitude | 15.74 (0.005) | ||||||||||||
Pan z magnitude | 16.01 (0.004) | ||||||||||||
Pan y magnitude | 16.18 (0.01) | ||||||||||||
E(B-V) | 0.004 |
* 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.