WD 0905+472

All names: WD 0905+472, Gaia DR2 1011466005095102464, Gaia EDR3 1011466005095102464, WDJ090914.58+470017.86, LSPM J0909+4700, NLTT 21040, LP 165-27, SDSS J090914.55+470017.5, J0909+4700, SDSS J090914.56+470017.5, Gaia DR3 1011466005095102464, USNO-B1.0 1370-00230214

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Bergeron et al. 2022 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 09 09 14.40 (0.2) 09 09 14.40 (0.2) 09 09 14.40 09 09 14.58 (0.2) 09 09 14.40 09 09 13.90
Declination 47 00 14.93 (0.1) 47 00 15.02 (0.2) 47 00 14.93 47 00 17.85 (0.1) 47 00 15.02 47 00 12.60
Spectral type DC-IRfaint DC DC DC DC DA DC DC11.2
Effective temperature [K] 4649.0 (37) 4650.0 (39) 4649.0 (37) 5294.0 4998.0 5340.0 (64)
log(g) [cgs] 7.86 (0.02) 7.87 (0.03) 8.14 7.95 8.15 (0.03)
Mass [M] 0.488 (0.01) 0.49 (0.02) 0.488 (0.01) 0.67 0.538 0.675 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 5.5400 5.2280 5.7260 5.2410
log(H/He) -1.88 -1.88 -1.88
log(C/He)
log(Ca/He)
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] 16.09 (0.2) 16.11 (0.3) 16.11 (0.3) 16.09 16.09 (0.2) 16.11 (0.3)
Distance [pc] 62.17 (0.8) 62.07 (1) 62.07 (1) 62.17 62.17 (0.8) 62.07 (1)
Composition He
Proper motion (right ascension) [mas/yr] -118.8797461 (0.2) -118.8301444 (0.4) -118.88 (0.2) -118.8301444
Proper motion (declination) [mas/yr] -182.5046637 (0.1) -182.8187625 (0.4) -182.505 (0.1) -182.8187625
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.10
V magnitude
R magnitude 18.40
I magnitude
J magnitude 18.11 (0.04) 18.11 (0.04)
H magnitude 18.62 (0.07) 18.62 (0.07)
K magnitude 19.10 (0.1) 19.10 (0.1)
u magnitude 20.68 (0.08) 20.68 (0.08) 20.47 (0.06) 20.64
g magnitude 19.28 (0.01) 19.33 (0.01) 19.29
r magnitude 18.73 (0.01) 18.69 (0.01) 18.74
i magnitude 18.48 (0.01) 18.47 (0.01) 18.50
z magnitude 18.40 (0.03) 18.51 (0.04) 18.42
G magnitude 18.73 (0.02) 18.76 18.73 18.73 (0.003) 18.76
BP magnitude 19.16 (0.02) 19.13 19.13
RP magnitude 18.14 (0.02) 18.14 18.14
Pan g magnitude 19.25 (0.007) 19.25 (0.008)
Pan r magnitude 18.69 (0.005) 18.69 (0.006)
Pan i magnitude 18.47 (0.006) 18.47 (0.007)
Pan z magnitude 18.43 (0.005) 18.43 (0.005)
Pan y magnitude 18.47 (0.01) 18.47 (0.01)
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.