WD 1527+009

All names: SDSS J153032.05+004509.1, Gaia EDR3 4417755428830608512, WD 1527+009, Gaia DR2 4417755428830608512, Gaia DR3 4417755428830608512, SDSS J153032.04+004509.0, GALEX J153032.0+004508, SDSS J153032.05+004509.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD HE Gaia DR2 Stilism Harris et al. 2003 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 30 31.98 (0.1) 15 30 32.05 15 30 31.99 (0.2) 15 30 31.98 15 30 32.05 (0.1) 15 30 32.05 15 30 31.99 15 30 32.05
Declination 00 45 08.46 (0.1) 00 45 09.01 00 45 08.48 (0.1) 00 45 08.46 00 45 09.02 (0.1) 00 45 09.05 00 45 05.40 00 45 09.01
Spectral type DB: DB: DC: DC DC DC DC DB
Effective temperature [K] 10448.0 10006.0 (379) 11853.0 (229) 11661.0 (270)
log(g) [cgs] 7.92 7.83 (0.07) 8.76 (0.2) 8.46 (0.2)
Mass [M] 0.536 0.488 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.4995
log(H/He)
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] 6.26 (0.1) 6.05 (0.2) 6.26 6.26 (0.1)
Distance [pc] 159.65 (3) 165.38 (5) 159.65 159.66 (3)
Composition He
Proper motion (right ascension) [mas/yr] -59.13225612 (0.2) -58.88635326 (0.4) -59.132 (0.2)
Proper motion (declination) [mas/yr] -34.89198595 (0.1) -34.7580839 (0.4) -34.892 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.17 (0.01) 18.15 18.17 (0.01) 18.18 (0.01) 18.16 18.17 (0.01)
g magnitude 18.10 (0.006) 18.11 18.10 (0.006) 18.12 (0.01) 18.12 18.11 (0.01)
r magnitude 18.22 (0.008) 18.21 18.23 (0.008) 18.23 (0.02) 18.23 18.23 (0.02)
i magnitude 18.37 (0.01) 18.32 18.37 (0.01) 18.34 (0.01) 18.34 18.34 (0.01)
z magnitude 18.58 (0.04) 18.51 18.58 (0.04) 18.55 (0.03) 18.54 18.55 (0.03)
G magnitude 18.12 (0.02) 18.15 18.12 18.12 (0.003)
BP magnitude 18.16 (0.02) 18.13
RP magnitude 18.03 (0.03) 18.08
Pan g magnitude 18.11 (0.006)
Pan r magnitude 18.24 (0.004)
Pan i magnitude 18.39 (0.004)
Pan z magnitude 18.55 (0.01)
Pan y magnitude 18.66 (0.01)
E(B-V) 0.034

* 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.