WD 1527+030

All names: SDSS J153011.34+025129.90, WD 1527+030, Gaia DR3 4421312245867484032, SDSS J153011.33+025129.8, Gaia EDR3 4421312245867484032, SDSS J153011.32+025129.8, SDSS J153011.34+025129.9, Gaia DR2 4421312245867484032, GALEX J153011.3+025131

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 30 11.31 (0.3) 15 30 11.33 15 30 11.31 (0.3) 15 30 11.34 (0.3) 15 30 11.33 15 30 11.06 15 30 11.34
Declination 02 51 29.73 (0.2) 02 51 29.89 02 51 29.74 (0.3) 02 51 29.89 (0.2) 02 51 29.89 02 51 22.32 02 51 29.90
Spectral type DB DB DB DB1.9 DB DB
Effective temperature [K] 29151.0 27631.0 13525.0 22816.0 (2530) 26020.0 (1424)
log(g) [cgs] 7.98 8.15 7.37 8.26 (0.2) 7.95 (0.1)
Mass [M] 0.605 0.701 0.304 0.579 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.1388
log(H/He) -3.124
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] 1.41 (0.3) 1.66 (0.4) 1.41 (0.3)
Distance [pc] 710.12 (152) 603.39 (143) 710.13 (152)
Composition He
Proper motion (right ascension) [mas/yr] -21.01335561 (0.3) -21.50702508 (0.7) -21.013 (0.3) -21.6
Proper motion (declination) [mas/yr] -9.868893481 (0.3) -10.51631414 (0.7) -9.869 (0.3) -9.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.22 (0.03) 19.22 (0.03) 19.21 (0.03) 19.24 19.20 (0.03)
g magnitude 19.36 (0.01) 19.36 (0.01) 19.36 (0.01) 19.36 19.37 (0.02)
r magnitude 19.69 (0.02) 19.69 (0.02) 19.72 (0.02) 19.72 19.71 (0.02)
i magnitude 20.05 (0.03) 20.05 (0.03) 20.06 (0.03) 20.06 20.06 (0.03)
z magnitude 20.51 (0.2) 20.50 (0.2) 20.57 (0.2) 20.55 20.58 (0.2)
G magnitude 19.54 (0.04) 19.60 19.54 (0.005)
BP magnitude 19.50 (0.04) 19.46
RP magnitude 19.68 (0.06) 19.68
Pan g magnitude 19.41 (0.02)
Pan r magnitude 19.69 (0.02)
Pan i magnitude 20.00 (0.01)
Pan z magnitude 20.22 (0.04)
Pan y magnitude 20.06 (0.02)
E(B-V) 0.038

* 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.