WD 1508+025

All names: LAMOST J151046.74+022159.2, [HHD2009] SDSS J1510+0221, GALEX J151046.7+022159, WIRED J151046.74+022159.2, [SGR2010] J1510+0221, Gaia DR2 1153672505409233536, WD 1508+025, SDSS J151046.74+022159.2, SDSS J151046.70+022159.3, Gaia EDR3 1153672505409233536, SDSS J151046.75+022159.2, Gaia DR3 1153672505409233536, WDJ151046.70+022159.36

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2026b MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 10 46.67 (0.2) 15 10 46.70 15 10 46.67 (0.2) 15 10 46.74 15 10 46.67 15 10 46.70 (0.2) 15 10 46.71 15 10 45.67 15 10 46.75
Declination 02 21 59.03 (0.1) 02 21 59.31 02 21 59.04 (0.2) 02 21 59.18 02 21 59.03 02 21 59.35 (0.1) 02 21 59.34 02 21 53.28 02 21 59.24
Spectral type DAM DA+M DA+M DA DA DA+dM DA+M DA+M DA+M DA+MS
Effective temperature [K] 12481.0 (492) 8595.0 12536.0 (996) 13020.0 (420) 11148.0 (108) 11096.0 (115)
log(g) [cgs] 7.28 (0.08) 6.65 7.57 (0.2) 7.96 (0.1) 8.01 (0.08) 7.98 (0.08)
Mass [M☉] 0.294 (0.03) 0.14 0.39 (0.1) 0.58 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.3090
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(Li/H)
log(Be/H)
log(B/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(Cl/H)
log(K/H)
log(Sc/H)
log(Ti/H)
log(V/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Co/H)
log(Ni/H)
log(Cu/H)
log(Sr/H)
Parallax [mas] 2.42 (0.2) 2.65 (0.2) 2.42 2.42 (0.2)
Distance [pc] 413.95 (34) 377.84 (35) 72.00 (4) 413.95 413.94 (34)
Composition H H H
Proper motion (right ascension) [mas/yr] -28.00895317 (0.2) -27.70663402 (0.5) -28.009 (0.2) -21.9
Proper motion (declination) [mas/yr] -19.76656878 (0.2) -20.2376474 (0.4) -19.767 (0.2) -15.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS yes WDMS WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.08 (0.03)
H magnitude
K magnitude
u magnitude 19.31 (0.02) 19.21 19.31 (0.02) 19.21 (0.03) 19.20 19.24 (0.03)
g magnitude 18.76 (0.008) 18.74 18.75 (0.009) 18.75 (0.02) 18.74 18.76 (0.02)
r magnitude 18.91 (0.01) 18.90 18.91 (0.01) 18.90 (0.02) 18.91 18.90 (0.02)
i magnitude 18.81 (0.01) 18.77 18.81 (0.01) 18.77 (0.02) 18.77 18.78 (0.02)
z magnitude 18.48 (0.03) 18.48 18.48 (0.03) 18.48 (0.04) 18.49 18.48 (0.04)
G magnitude 18.72 (0.05) 18.74 18.72 18.72 (0.004)
BP magnitude 18.85 (0.05) 18.81
RP magnitude 18.46 (0.04) 18.37
Pan g magnitude 18.74 (0.008)
Pan r magnitude 18.94 (0.02)
Pan i magnitude 18.82 (0.005)
Pan z magnitude 18.52 (0.009)
Pan y magnitude 18.23 (0.01)
E(B-V) 0.036

* 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.