PG 1017+125

All names: Gaia DR2 3883615188318129536, WDS J10199+1217A, USNO-B1.0 1022-00218737, ** FAR 12A, SDSS J101955.89+121631.3, WD 1017+125, Gaia DR3 3883615188318129536, Gaia EDR3 3883615188318129536, SDSS J101955.90+121631.4, GALEX J101955.9+121631, PG 1017+125, SDSS J101955.89+121631.33, TIC 70654644, LAMOST J101955.88+121631.7, 2MASS J10195590+1216310

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 Kepler et al. 2015 Koester et al. 2014 Gianninas et al. 2011 Koester et al. 2009 Liebert et al. 2005 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 10 19 55.88 (0.05) 10 19 55.90 10 19 55.90 10 19 55.88 (0.07) 10 19 55.88 10 19 55.91 (0.05) 10 19 55.03
Declination 12 16 31.21 (0.04) 12 16 31.47 12 16 31.47 12 16 31.22 (0.09) 12 16 31.21 12 16 31.53 (0.04) 12 16 30.36
Spectral type DA DA DA DA DA DA2.2 DA3 DA
Effective temperature [K] 18894.0 22469.0 (191) 22836.0 (114) 21500.0 (292) 22620.0 (355) 21386.0 (43) 21670.0 (340) 21855.0 (399)
log(g) [cgs] 7.84 8.11 (0.03) 8.07 (0.01) 7.95 (0.09) 7.95 (0.05) 7.88 (0.007) 7.94 (0.05) 8.00 (0.02)
Mass [M] 0.534 0.69 (0.02) 0.664 (0.005) 0.599 (0.05) 0.6 (0.03) 0.6 (0.03) 0.626 (0.01)
log(Luminosity) [L] -1.43
Cooling age [Gyr] 0.0600 0.0562
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H) <-7.60
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H) -7.5 (0.1)
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] 9.39 (0.05) 9.44 (0.07) 9.39 9.39 (0.05)
Distance [pc] 106.47 (0.6) 105.88 (0.8) 113.00 114.00 106.47 106.47 (0.6)
Composition H H
Proper motion (right ascension) [mas/yr] -26.96033107 (0.06) -26.97382598 (0.2) -26.96 (0.06)
Proper motion (declination) [mas/yr] -20.06043401 (0.06) -20.27448168 (0.2) -20.06 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.81
V magnitude 15.67 (0.05) 15.75 15.80
R magnitude 15.70
I magnitude
J magnitude 16.24 (0.1)
H magnitude 15.86 (0.2)
K magnitude 15.88 (0.3)
u magnitude 15.54 (0.005) 15.54 (0.005) 15.55 (0.01) 15.54 (0.005)
g magnitude 15.52 (0.004) 15.52 (0.004) 15.51 (0.03) 15.52 (0.004)
r magnitude 15.94 (0.005) 15.94 (0.005) 15.93 (0.02) 15.94 (0.005)
i magnitude 16.25 (0.005) 16.25 (0.005) 16.26 (0.02) 16.25 (0.005)
z magnitude 16.55 (0.009) 16.55 (0.009) 16.54 (0.02) 16.55 (0.009)
G magnitude 15.76 (0.004) 15.78 15.76 15.76 (0.003)
BP magnitude 15.67 (0.004) 15.66
RP magnitude 15.96 (0.004) 15.96
Pan g magnitude 15.61 (0.003)
Pan r magnitude 15.96 (0.002)
Pan i magnitude 16.28 (0.002)
Pan z magnitude 16.53 (0.004)
Pan y magnitude 16.69 (0.01)
E(B-V) 0.005

* 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.