WD 0920+012

All names: SDSS J092256.06+010310.0, 2MASS J09225607+0103100, G 46-37, J0922+0103, WD 0920+012, UCAC4 456-047147, WDJ092256.07+010310.15, Gaia DR2 3843957354387777152, SDSS J092256.07+010310.1, USNO-B1.0 0910-00180969, Gaia EDR3 3843957354387777152, Gaia DR3 3843957354387777152, GALEX J092256.0+010309, NLTT 21612, PM J09229+0103, 09229+0103, LSPM J0922+0103, GEN# +9.80046037

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 Blouin & Xu 2022 Kilic et al. 2020 McCleery et al. 2020 MWDD H Gaia DR2 Stilism Limoges et al. 2015 Sayres et al. 2012 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 09 22 56.03 (0.05) 09 22 56.03 (0.06) 09 22 56.03 (0.06) 09 22 56.07 09 22 56.03 09 22 56.07 (0.05) 09 22 56.03
Declination 01 03 05.69 (0.04) 01 03 05.83 (0.06) 01 03 05.83 (0.06) 01 03 10.20 01 03 05.69 01 03 10.15 (0.04) 01 03 05.83
Spectral type DAZ DAZ DAZ DAZ DAZ DAZ DAZ DAZ DA DAZ
Effective temperature [K] 6096.0 (14) 6061.0 (41) 6105.0 (11) 6068.0 (27) 6095.0 (14) 6121.7 (42) 6073.0 6010.0 (111) 6290.0 (60) 6137.0 (24)
log(g) [cgs] 7.99 (0.006) 7.98 (0.02) 7.98 (0.005) 7.98 (0.01) 7.98 (0.006) 8.01 (0.02) 7.97 8.00 (0) 8.01 (0.008)
Mass [M] 0.582 (0.005) 0.575 (0.01) 0.558 (0.004) 0.577 (0.008) 0.578 (0.005) 0.572 0.59 (0.1) 0.596 (0.007)
log(Luminosity) [L] -3.72
Cooling age [Gyr] 2.2800 2.2100 2.0710
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) -9.08 -8.93 (0.08) -9.0 (0.2)
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] 30.90 (0.06) 30.90 (0.06) 30.80 (0.08) 30.90 (0.06) 30.80 (0.08) 30.80 (0.08) 30.90 30.91 (0.06) 30.80 (0.08)
Distance [pc] 32.36 (0.06) 32.36 (0.06) 32.47 (0.08) 32.36 (0.06) 32.47 (0.08) 32.47 (0.08) 31.20 (1) 33.40 32.36 32.36 (0.06) 32.47 (0.08)
Composition H H H H H H
Proper motion (right ascension) [mas/yr] -32.45586851 (0.07) -32.37353519 (0.1) -32.456 (0.07) -32.37353518
Proper motion (declination) [mas/yr] -278.4954825 (0.04) -278.644289 (0.1) -278.495 (0.04) -278.644289
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.28 (0.07)
V magnitude 16.59 (0.01)
R magnitude 16.02 (0.2)
I magnitude
J magnitude 15.60 (0.006) 15.62 (0.006)
H magnitude 15.33 (0.009) 15.34 (0.01)
K magnitude 15.31 (0.02) 15.31 (0.02) 14.88 (0.1)
u magnitude 17.68 (0.01) 17.66 (0.02) 17.65 (0.01) 17.65 (0.01)
g magnitude 16.87 (0.02) 16.84 (0.004) 16.84 (0.004)
r magnitude (0.02) 16.50 (0.004) 16.50 (0.004)
i magnitude 16.39 (0.02) 16.37 (0.005) 16.37 (0.005)
z magnitude 16.33 (0.02) 16.33 (0.008) 16.33 (0.008)
G magnitude 16.50 (0.004) 16.51 16.51 16.50 16.50 (0.003) 16.51
BP magnitude 16.79 (0.004) 16.79 16.79
RP magnitude 16.05 (0.003) 16.07 16.07
Pan g magnitude 16.81 (0.003) 16.81 (0.003) 16.81 (0.003)
Pan r magnitude 16.49 (0.003) 16.49 (0.003) 16.50 (0.003)
Pan i magnitude 16.38 (0.004) 16.38 (0.004) 16.38 (0.004)
Pan z magnitude 16.38 (0.002) 16.38 (0.003) 16.38 (0.002)
Pan y magnitude 16.37 (0.007) 16.37 (0.006) 16.37 (0.007)
E(B-V) 0.000

* 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.