PG 0900+142

All names: PG 0900+142, WD 0900+142, SDSS J090331.28+140049.1, SDSS J090331.28+140049.07, USNO-A2.0 0975-06135040, GALEX J090331.2+140049, TIC 330621568, 2MASS J09033127+1400493, Gaia DR2 606956776747174016, Gaia DR3 606956776747174016, SDSS J090331.28+140049.0, WDJ090331.29+140049.17, Gaia EDR3 606956776747174016

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 SDSS DR12 Kilic et al. 2025 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Bergeron et al. 2011 Voss et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 09 03 31.28 (0.04) 09 03 31.28 09 03 31.28 09 03 31.28 (0.07) 09 03 31.28 09 03 31.29 (0.04) 09 03 31.28 09 03 31.51
Declination 14 00 49.12 (0.03) 14 00 49.10 14 00 49.10 14 00 49.12 (0.05) 14 00 49.12 14 00 49.17 (0.03) 14 00 49.12 14 00 40.68
Spectral type DBA DB DB DB DB DBA4 DB DBA3 DB
Effective temperature [K] 13981.0 (68) 14849.0 13679.0 14421.0 15147.0 (22) 15400.0 (37) 14860.0 (352) 15678.0 14598.0 (175)
log(g) [cgs] 7.96 (0.008) 7.94 7.92 8.00 8.00 (0) 8.21 (0.03) 8.07 (0.1) 8.00 8.02 (0.01)
Mass [M] 0.565 (0.006) 0.557 0.543 0.589 0.745 (0.02) 0.63 (0.06) 0.6 (0.01)
log(Luminosity) [L] -2.19
Cooling age [Gyr] 0.2250 0.2455
log(H/He) -6.0 -6.205 <-5.94 <-6.44 (1)
log(C/He)
log(Ca/He) <-8.04
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] 10.54 (0.06) 10.54 (0.09) 10.54 10.54 (0.06) 10.54 (0.09)
Distance [pc] 94.85 (0.5) 94.88 (0.8) 99.00 102.00 94.85 94.85 (0.5) 94.88 (0.8)
Composition He He
Proper motion (right ascension) [mas/yr] -6.985208349 (0.06) -7.113728646 (0.1) -6.985 (0.06) -7.114
Proper motion (declination) [mas/yr] -3.293388237 (0.04) -3.257158555 (0.09) -3.293 (0.04) -3.257
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.48 16.48
V magnitude 16.48
R magnitude 16.00 (0.3)
I magnitude
J magnitude 16.35 (0.1)
H magnitude
K magnitude
u magnitude 16.05 (0.005) 16.05 (0.005) 16.09 (0.01) 16.05 (0.005) 16.05 (0.005)
g magnitude 16.10 (0.004) 16.10 (0.004) 16.14 (0.02) 16.10 (0.004) 16.10 (0.004)
r magnitude 16.40 (0.004) 16.40 (0.004) 16.42 (0.02) 16.40 (0.004) 16.40 (0.004)
i magnitude 16.61 (0.005) 16.61 (0.005) 16.61 (0.02) 16.61 (0.005) 16.61 (0.005)
z magnitude 16.86 (0.01) 16.86 (0.01) 16.86 (0.02) 16.86 (0.01) 16.86 (0.01)
G magnitude 16.24 (0.002) 16.27 16.24 16.24 (0.003) 16.27
BP magnitude 16.19 (0.002) 16.15 16.15
RP magnitude 16.32 (0.004) 16.31 16.31
Pan g magnitude 16.15 (0.001)
Pan r magnitude 16.40 (0.004)
Pan i magnitude 16.65 (0.002)
Pan z magnitude 16.87 (0.005)
Pan y magnitude 17.02 (0.002)
E(B-V) 0.005

* 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.