WD 0948+192

All names: USNO-B1.0 1090-00178788, TIC 88049495, LP 428-54, Gaia EDR3 627240597321087488, WDJ095120.10+190011.85, 09513+1900, J0951+1900, LSPM J0951+1900, Gaia DR2 627240597321087488, SDSS J095120.16+190010.7, NLTT 22762, PM J09513+1900, WD 0948+192, Gaia DR3 627240597321087488, 2MASS J09512005+1900123, PSO J147.8343+19.0025

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Blouin et al. 2019 MWDD H MWDD HE Gaia DR2 Stilism Limoges et al. 2015 Sayres et al. 2012 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 09 51 20.30 (0.1) 09 51 20.30 (0.2) 09 51 20.10 09 51 20.30 09 51 20.10 (0.1) 09 51 20.30
Declination 19 00 08.37 (0.1) 19 00 08.48 (0.2) 19 00 11.80 19 00 08.37 19 00 11.86 (0.1) 19 00 08.48
Spectral type DC DC DC DC DC DC DC DA DC
Effective temperature [K] 5377.0 (24) 5659.0 (25) 5460.0 (75) 5755.0 5635.0 5870.0 (73) 5850.0 (100) 5959.0 (64)
log(g) [cgs] 7.74 (0.01) 7.93 (0.02) 7.84 (0.04) 8.04 7.95 8.00 (0) 8.17 (0.02)
Mass [M] 0.425 (0.01) 0.531 (0.01) 0.479 (0.02) 0.608 0.542 0.57 (0.1) 0.696 (0.02)
log(Luminosity) [L] -3.78
Cooling age [Gyr] 3.0100 2.9130 (0.3) 2.7720 3.1360
log(H/He) -5.0
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] 20.38 (0.1) 20.26 (0.2) 20.26 (0.2) 20.26 (0.2) 20.38 20.38 (0.1) 20.26 (0.2)
Distance [pc] 49.06 (0.3) 49.36 (0.6) 49.35 (0.6) 49.35 (0.6) 51.20 (6) 51.50 49.06 49.06 (0.3) 49.35 (0.6)
Composition He He He He
Proper motion (right ascension) [mas/yr] 177.4368955 (0.1) 177.1037476 (0.3) 173.0 177.437 (0.1) 177.1037476
Proper motion (declination) [mas/yr] -217.7853917 (0.1) -217.2730686 (0.3) -213.0 -217.785 (0.1) -217.2730686
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.60
V magnitude
R magnitude 17.20
I magnitude
J magnitude 16.79 (0.02) 16.70 (0.1) 16.70 16.70 (0.1) 16.70 (0.1)
H magnitude 16.36 (0.2) 16.36 (0.2) 16.36 16.36 (0.2) 16.36 (0.2)
K magnitude 17.33 (0.03) 17.33 17.33
u magnitude 18.94 (0.02) 18.94 18.93 (0.02) 18.93 (0.02) 18.93 (0.02)
g magnitude 18.10 18.11 (0.02) 18.06 (0.006) 18.11 (0.006)
r magnitude 17.68 (0.02) 17.68 (0.002) 17.70 (0.006)
i magnitude 17.55 17.54 (0.02) 17.53 (0.005) 17.54 (0.006)
z magnitude 17.54 17.55 (0.04) 17.49 (0.007) 17.55 (0.01)
G magnitude 17.70 (0.03) 17.72 17.70 17.70 (0.003) 17.72
BP magnitude 18.07 (0.03) 18.04 18.04
RP magnitude 17.34 (0.02) 17.21 17.21
Pan g magnitude 18.06 (0.006) 18.06 (0.006) 18.06 (0.006)
Pan r magnitude 17.68 (0.002) 17.68 (0.002) 17.68 (0.002)
Pan i magnitude 17.53 (0.004) 17.53 (0.005) 17.53 (0.005)
Pan z magnitude 17.49 (0.007) 17.49 (0.007) 17.49 (0.007)
Pan y magnitude 17.51 (0.009) 17.51 (0.008) 17.51 (0.008)
E(B-V) 0.001

* 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.