SDSS J152738.99+390552.2

All names: SDSS J152738.98+390552.2, SDSS J152738.99+390552.2, SDSS J152738.98+390552.1, Gaia DR3 1388115185046204032, Gaia EDR3 1388115185046204032, SDSS J152738.99+390552.3, GALEX J152739.0+390552, SDSS J152738.99+390552.20, Gaia DR2 1388115185046204032, WD 1525+392

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 27 38.96 (0.5) 15 27 38.98 15 27 38.96 (0.6) 15 27 38.99 (0.5) 15 27 38.99 15 27 39.05 15 27 38.99
Declination 39 05 52.46 (0.5) 39 05 52.18 39 05 52.45 (0.7) 39 05 52.15 (0.5) 39 05 52.25 39 05 50.64 39 05 52.25
Spectral type DB DB DB DB DB: DB
Effective temperature [K] 15290.0 11898.0 11245.0 13808.0 (503) 14416.0 (322)
log(g) [cgs] 8.14 7.08 6.97 7.50 (0.4) 7.93 (0.2)
Mass [M] 0.676 0.228 0.203
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) <-5.944
log(C/He)
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] 1.06 (0.6) 1.12 (0.8) 1.06 (0.6)
Distance [pc] 939.50 (543) 892.59 (669) 939.50 (543)
Composition He
Proper motion (right ascension) [mas/yr] -19.26836636 (0.6) -17.17806521 (1) -19.268 (0.6) -21.8
Proper motion (declination) [mas/yr] 19.53257314 (0.8) 19.34679732 (2) 19.533 (0.8) 26.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.29 (0.05) 20.28 (0.05) 20.30 (0.05) 20.30 20.34 (0.05)
g magnitude 20.32 (0.02) 20.26 (0.02) 20.26 (0.02) 20.26 20.28 (0.02)
r magnitude 20.45 (0.03) 20.45 (0.03) 20.45 (0.03) 20.45 20.45 (0.03)
i magnitude 20.59 (0.04) 20.58 (0.04) 20.62 (0.05) 20.63 20.64 (0.05)
z magnitude 20.76 (0.2) 20.43 (0.2) 20.43 (0.2) 20.44 20.47 (0.2)
G magnitude 20.47 (0.1) 20.55 20.47 (0.007)
BP magnitude 20.52 (0.1) 20.51
RP magnitude 20.08 (0.1) 20.32
Pan g magnitude 20.33 (0.01)
Pan r magnitude 20.51 (0.01)
Pan i magnitude 20.60 (0.03)
Pan z magnitude 20.44 (0.1)
Pan y magnitude
E(B-V) 0.024

* 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.