WD 1551+013

All names: Gaia DR2 4411053531801509248, Gaia DR3 4411053531801509248, WD 1551+013, GALEX J155340.3+011334, SDSS J155340.36+011335.30, Gaia EDR3 4411053531801509248, SDSS J155340.36+011335.3, WD 1551+013.1, SDSS J155340.35+011335.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Harris et al. 2003 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 53 40.35 (0.3) 15 53 40.36 15 53 40.35 (0.4) 15 53 40.35 (0.3) 15 54 11.52 15 53 40.36
Declination 01 13 35.30 (0.3) 01 13 35.21 01 13 35.30 (0.3) 01 13 35.22 (0.3) 01 11 12.48 01 13 35.30
Spectral type DB4 DB4 DB4 DA2.7 DB DB
Effective temperature [K] 15302.0 14076.0 11231.0 15117.0 (413)
log(g) [cgs] 8.50 7.89 7.66 8.23 (0.3)
Mass [M] 0.907 0.525 0.408 0.724 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.3035
log(H/He) -5.501
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] 2.76 (0.4) 2.61 (0.5) 2.76 (0.4)
Distance [pc] 362.33 (47) 383.86 (70) 362.33 (47)
Composition He
Proper motion (right ascension) [mas/yr] 1.781803794 (0.5) -0.252280558 (0.9) 1.782 (0.5)
Proper motion (declination) [mas/yr] 5.142308334 (0.3) 5.587802596 (0.7) 5.142 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.38 (0.03) 19.43 19.38 (0.03) 18.79 19.41 (0.03)
g magnitude 19.30 (0.01) 19.35 19.30 (0.01) 18.54 19.33 (0.02)
r magnitude 19.50 (0.02) 19.53 19.50 (0.02) 18.79 19.53 (0.02)
i magnitude 19.67 (0.03) 19.69 19.67 (0.03) 18.99 19.71 (0.03)
z magnitude 19.94 (0.1) 19.90 19.94 (0.1) 19.23 19.97 (0.1)
G magnitude 19.40 (0.04) 19.45 19.40 (0.004)
BP magnitude 19.42 (0.04) 19.34
RP magnitude 19.41 (0.05) 19.47
Pan g magnitude 19.38 (0.008)
Pan r magnitude 19.53 (0.005)
Pan i magnitude 19.74 (0.007)
Pan z magnitude 19.89 (0.01)
Pan y magnitude 19.85 (0.06)
E(B-V) 0.076

* 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.