WD 0930+379

All names: Gaia DR2 799278226781362048, WDJ093345.55+374350.18, Gaia DR3 799278226781362048, J0933+3743, SDSS J093345.57+374349.8, USNO-B1.0 1277-00218072, WD 0930+379, SDSS J093345.58+374349.8, LSPM J0933+3743, Gaia EDR3 799278226781362048

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 09 33 45.73 (0.1) 09 33 45.72 (0.2) 09 33 45.73 09 33 45.55 (0.1) 09 33 45.72 09 33 44.93
Declination 37 43 48.34 (0.1) 37 43 48.40 (0.1) 37 43 48.34 37 43 50.18 (0.1) 37 43 48.40 37 43 45.12
Spectral type DZA DZA DZA DA DZA DZA9.3
Effective temperature [K] 5729.0 (33) 5668.0 (35) 5742.0 5731.0 (82)
log(g) [cgs] 8.08 (0.02) 8.06 (0.02) 8.06 8.04 (0.03)
Mass [M] 0.621 (0.01) 0.611 (0.02) 0.623 0.613 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 4.1500 2.9750
log(H/He) -1.0 -1.0
log(C/He)
log(Ca/He) -8.12 -8.03
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] 14.02 (0.1) 14.16 (0.2) 14.16 (0.2) 14.02 14.02 (0.1) 14.16 (0.2)
Distance [pc] 71.35 (0.8) 70.62 (1) 70.61 (1) 71.35 71.35 (0.8) 70.61 (1)
Composition He He
Proper motion (right ascension) [mas/yr] 134.0212965 (0.1) 134.126342 (0.3) 134.021 (0.1) 134.126342
Proper motion (declination) [mas/yr] -114.7867996 (0.1) -114.8310225 (0.3) -114.787 (0.1) -114.8310225
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.90
V magnitude
R magnitude 18.60
I magnitude
J magnitude 17.63 (0.04) 17.63 (0.04)
H magnitude 17.37 (0.04) 17.37 (0.04)
K magnitude 17.26 (0.04) 17.26 (0.04)
u magnitude 20.45 (0.05) 20.45 (0.05) 20.45 (0.05) 20.71
g magnitude 18.99 (0.009) 18.99 (0.009) 19.17
r magnitude 18.49 (0.008) 18.49 (0.008) 18.59
i magnitude 18.34 (0.01) 18.34 (0.01) 18.42
z magnitude 18.32 (0.02) 18.32 (0.02) 18.36
G magnitude 18.53 (0.02) 18.56 18.53 18.53 (0.003) 18.56
BP magnitude 18.97 (0.02) 18.91 18.91
RP magnitude 18.06 (0.02) 18.03 18.03
Pan g magnitude 18.92 (0.005) 18.92 (0.007)
Pan r magnitude 18.50 (0.005) 18.50 (0.007)
Pan i magnitude 18.37 (0.005) 18.37 (0.005)
Pan z magnitude 18.35 (0.007) 18.35 (0.009)
Pan y magnitude 18.35 (0.02) 18.35 (0.02)
E(B-V) 0.002

* 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.