SDSS J152943.01+183722.8

All names: EQ J1529+1837, Gaia EDR3 1210378580660447232, Gaia DR2 1210378580660447232, Gaia DR3 1210378580660447232, SDSS J152943.02+183722.9, SDSS J152943.01+183722.8, GALEX J152943.0+183722, SDSS J152943.01+183722.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Reindl et al. 2014 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 29 43.01 (0.1) 15 29 43.02 15 29 43.01 (0.2) 15 29 43.02 (0.1) 15 29 43.02
Declination 18 37 22.79 (0.1) 18 37 22.90 18 37 22.80 (0.2) 18 37 23.03 (0.1) 18 37 22.92
Spectral type DO DO: DAO DO: DO
Effective temperature [K] 54633.0 (2236) 24186.0 52000.0 50000.0 (99)
log(g) [cgs] 8.41 (0.3) 6.47 7.50 (0.2) 7.14 (0.1)
Mass [M] 0.89 (0.2) 0.191 0.49
log(Luminosity) [L] -0.12 (0.2)
Cooling age [Gyr] 0.0013 (0.0002)
log(H/He)
log(C/He) <0.005
log(Ca/He)
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] 1.09 (0.2) 0.70 (0.2) 1.09 (0.2)
Distance [pc] 917.11 (152) 1428.35 (466) 917.09 (152)
Composition He
Proper motion (right ascension) [mas/yr] -7.396576634 (0.2) -6.729868078 (0.4) -7.397 (0.2)
Proper motion (declination) [mas/yr] -14.91319588 (0.2) -15.16615134 (0.4) -14.913 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.97 (0.01) 17.97 (0.01) 17.96 (0.02)
g magnitude 18.43 (0.007) 18.43 18.43 (0.007) 18.42 (0.01)
r magnitude 18.94 (0.01) 18.95 (0.01) 18.93 (0.01)
i magnitude 19.27 (0.02) 19.27 (0.02) 19.27 (0.02)
z magnitude 19.52 (0.06) 19.52 (0.06) 19.48 (0.06)
G magnitude 18.68 (0.02) 18.72 18.68 (0.003)
BP magnitude 18.53 (0.02) 18.46
RP magnitude 18.97 (0.04) 18.94
Pan g magnitude 18.52 (0.002)
Pan r magnitude 18.92 (0.006)
Pan i magnitude 19.28 (0.01)
Pan z magnitude 19.52 (0.02)
Pan y magnitude 19.77 (0.04)
E(B-V) 0.048

* 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.