GD 12

All names: J0110+2701, NLTT 3877, GEN# +6.10060012, WD 0107+26, SDSS J011011.94+270103.3, UCAC2 41308652, Gaia DR3 307116824821161088, 1SWASP J011011.78+270104.8, LTT 10425, LAMOST J011011.94+270103.2, WDJ011011.79+270104.67, USNO-B1.0 1170-00015451, PG 0107+268, SDSS J011011.94+270103.2, UBV 1211, Gaia EDR3 307116824821161088, WD 0107+267, Gaia DR2 307116824821161088, GALEX J011011.8+270104, 2MASS J01101174+2701048, LSPM J0110+2701, TIC 15731647, EGGR 8, L 1373-25, LP 350-64, GD 12, CSI+26-01075

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Guo et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 10 12.04 (0.03) 01 10 12.03 (0.1) 01 10 12.04 01 10 11.79 (0.03) 01 10 12.03 01 10 10.78
Declination 27 01 02.26 (0.03) 27 01 02.34 (0.07) 27 01 02.26 27 01 04.67 (0.03) 27 01 02.34 27 01 03.36
Spectral type DA DA DA DA DA DA DA3.5 DA4
Effective temperature [K] 14428.0 (64) 14425.0 (64) 13945.0 15317.0 (149) 14490.0 (259) 15098.0 (131)
log(g) [cgs] 8.02 (0.004) 8.02 (0.006) 7.99 8.03 (0.03) 7.99 (0.05) 8.06 (0.008)
Mass [M] 0.62 (0.003) 0.624 (0.005) 0.602 0.63 (0.02) 0.61 (0.03) 0.646 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.2408
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] 17.80 (0.04) 17.88 (0.08) 17.80 17.80 (0.04) 17.88 (0.08)
Distance [pc] 56.17 (0.1) 55.92 (0.3) 53.00 56.17 56.17 (0.1) 55.92 (0.3)
Composition H H H
Proper motion (right ascension) [mas/yr] 211.498027 (0.04) 211.5477713 (0.3) 211.498 (0.04) 211.5477713
Proper motion (declination) [mas/yr] -150.5551019 (0.03) -150.4658115 (0.2) -150.555 (0.03) -150.4658115
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.02
V magnitude
R magnitude 15.00
I magnitude
J magnitude 15.40 (0.05)
H magnitude 15.42 (0.03)
K magnitude 15.31 (0.1)
u magnitude 15.34 (0.005) 15.34 (0.005)
g magnitude 15.00 (0.004) 15.00 (0.004)
r magnitude 15.28 (0.005) 15.28 (0.005)
i magnitude 15.53 (0.005) 15.53 (0.005)
z magnitude 15.80 (0.007) 15.80 (0.007)
G magnitude 15.14 (0.002) 15.16 15.14 15.14 (0.003) 15.16
BP magnitude 15.11 (0.002) 15.11 15.11
RP magnitude 15.23 (0.002) 15.24 15.24
Pan g magnitude 15.05 (0.003)
Pan r magnitude 15.29 (0.002)
Pan i magnitude 15.56 (0.002)
Pan z magnitude 15.79 (0.001)
Pan y magnitude 15.95 (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.