Gaia DR2 950361883331847424

All names: GD 79, J0654+3938, USNO-B1.0 1296-00182829, TIC 321029992, LSPM J0654+3938, Gaia DR3 950361883331847424, SDSS J065419.57+393812.0, NLTT 17129, GALEX J065419.5+393812, Gaia DR2 950361883331847424, GEN# +6.10060079, SDSS J065419.56+393811.9, Gaia EDR3 950361883331847424, LP 205-51, 0650+397, 2MASS J06541955+3938131, WDJ065419.56+393813.26

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 Leggett et al. 2018 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 06 54 19.58 (0.04) 06 54 19.58 06 54 19.58 06 54 19.56 (0.04) 06 54 19.58
Declination 39 38 10.19 (0.04) 39 38 10.28 39 38 10.19 39 38 13.26 (0.04) 39 38 10.28
Spectral type DZ DZ DZ D:4.8 DZ DZ
Effective temperature [K] 9728.0 (78) 9673.0 (46) 9435.0 (68) 10574.0 (447) 10360.0 10409.0 9467.0 (90)
log(g) [cgs] 8.05 (0.01) 8.02 (0.007) 7.96 (0.01) 8.25 (0.05) 8.26 8.21 7.94 (0.01)
Mass [M] 0.611 (0.009) 0.589 (0.006) 0.556 (0.008) 0.739 (0.04) 0.766 0.709 0.544 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.7300 0.7830 (0.1) 0.8172 0.7621
log(H/He) -5.0 -3.0 <-4
log(C/He)
log(Ca/He) -9.69 -8.88 -9.58
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] 20.03 (0.05) 20.18 (0.07) 20.48 (0.3) 20.18 (0.07) 20.03 20.03 (0.05) 20.18 (0.07)
Distance [pc] 49.93 (0.1) 49.55 (0.2) 48.83 (0.7) 49.55 (0.2) 49.93 49.93 (0.1) 49.55 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] 14.06903247 (0.06) 13.80527265 (0.1) 14.069 (0.06) 13.80527265
Proper motion (declination) [mas/yr] -192.1114893 (0.04) -192.1670872 (0.1) -192.111 (0.04) -192.1670872
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.05
V magnitude
R magnitude 16.00
I magnitude
J magnitude 15.97 (0.01) 15.92 (0.07)
H magnitude 15.88 (0.2) 15.91 (0.2)
K magnitude 16.00 (0.2) 16.00 (0.2)
u magnitude 16.03 (0.006) 16.05 (0.006) 16.05 (0.006)
g magnitude 15.90 (0.004) 15.90 (0.004)
r magnitude 16.00 (0.005) 16.00 (0.005)
i magnitude 16.16 (0.005) 16.16 (0.005)
z magnitude 16.34 (0.008) 16.34 (0.008)
G magnitude 15.92 (0.003) 15.94 15.92 15.92 (0.003) 15.94
BP magnitude 15.94 (0.003) 15.91 15.91
RP magnitude 15.86 (0.005) 15.86 15.86
Pan g magnitude 15.92 (0.004) 15.92 (0.004)
Pan r magnitude 16.02 (0.003) 16.02 (0.004)
Pan i magnitude 16.19 (0.004) 16.19 (0.005)
Pan z magnitude 16.34 (0.006) 16.34 (0.007)
Pan y magnitude 16.47 (0.005) 16.47 (0.004)
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.