PG 0307+149

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

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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.