GD 279

All names: Gaia DR2 356922880493142016, GJ 3121, 2MASS J01520295+4700066, TYC 3283-1502-1, TIC 415880209, UCAC4 686-010987, WDJ015202.96+470006.66, HIP 8709, GD 279, GCRV 21709, Gaia EDR3 356922880493142016, WD 0148+46, 1SWASP J015202.95+470005.5, WD 0148+467, EGGR 269, [CL2016] GD279 145, uvby98 610060279, Gaia DR3 356922880493142016, UBV M 43057, HIC 8709, GEN# +6.10060279, CNS5 482

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 McCleery et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Tremblay et al. 2017 Stilism Holberg et al. 2016 Limoges et al. 2015 Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Holberg et al. 2008 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 52 02.97 (0.03) 01 52 02.97 (0.06) 01 52 02.97 (0.06) 01 52 02.88 01 52 02.97 01 52 02.96 (0.03) 01 52 02.97 01 52 02.83
Declination 47 00 08.60 (0.02) 47 00 08.54 (0.05) 47 00 08.54 (0.05) 47 00 03.60 47 00 08.60 47 00 06.65 (0.02) 47 00 08.54 46 59 59.64
Spectral type DA DA DA DA DA DA DA DA3.8 DA DA DA DA DA3.6 DA3.5
Effective temperature [K] 14293.0 (203) 14335.4 (109) 8188.0 13944.0 (275) 14000.0 (280) 14005.0 (277) 13910.0 (279) 14005.0 14005.0 (277) 14000.0 (277) 14325.0 (87)
log(g) [cgs] 8.00 (0.02) 8.00 (0.01) 7.24 8.05 (0.04) 8.04 (0.04) 8.04 (0.04) 8.05 (0.05) 8.04 (0.04) 8.04 (0.04) 8.01 (0.005)
Mass [M] 0.611 (0.01) 0.262 0.61 (0.09) 0.64 (0.03) 0.64 (0.03) 0.63 (0.03) 0.63 (0.03) 0.616 (0.004)
log(Luminosity) [L] -2.28 -2.26
Cooling age [Gyr] 0.4859 0.2700 0.2600
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
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] 60.56 (0.03) 60.56 (0.03) 60.39 (0.07) 60.39 (0.07) 64.53 (3) 64.51 (4) 63.00 (4) 63.08 (4) 63.08 (3) 60.56 60.56 (0.03) 60.39 (0.07) 63.00 (4)
Distance [pc] 16.51 (0.008) 16.51 (0.008) 16.56 (0.02) 16.56 (0.02) 15.50 (0.8) 15.50 (0.8) 15.50 (0.8) 15.90 (0.9) 15.85 15.90 (0.6) 16.00 16.06 16.51 16.51 (0.008) 16.56 (0.02) 15.87 (0.9)
Composition H H H H H H H
Proper motion (right ascension) [mas/yr] 4.645151488 (0.03) 4.90583759 (0.09) 4.645 (0.03) 4.90583759
Proper motion (declination) [mas/yr] 122.0246675 (0.03) 121.773209 (0.1) 122.025 (0.03) 121.773209
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude 12.52 (0.01)
V magnitude 12.44 (0.03) 12.44 12.44 12.46 (0.003)
R magnitude 12.52 (0.007)
I magnitude 12.59 (0.002)
J magnitude 12.77 (0.02)
H magnitude 12.83 (0.03)
K magnitude 12.85 (0.03)
u magnitude
g magnitude 12.38 (0.03)
r magnitude 12.63 (0.03)
i magnitude 12.87 (0.05)
z magnitude
G magnitude 12.50 (0.001) 12.52 12.52 12.50 12.50 (0.003) 12.52
BP magnitude 12.47 (0.001) 12.46 12.46
RP magnitude 12.59 (0.0008) 12.59 12.59
Pan g magnitude 13.14 (0.03)
Pan r magnitude 12.66 (0.001)
Pan i magnitude 12.94 (0.05)
Pan z magnitude 13.15 (0.0005)
Pan y magnitude 13.28 (0.002)
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.