WD 1048+048

All names: LP 551-21, Gaia EDR3 3858073773722879488, WD 1048+048, USNO-B1.0 0945-00188762, SDSS J105113.66+043516.9, SDSS J105113.66+043516.91, GALEX J105113.6+043517, LSPM J1051+0435, Gaia DR3 3858073773722879488, NLTT 25513, Gaia DR2 3858073773722879488, SDSS J105113.54+043518.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Wegner et al. 1987 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 10 51 13.70 (0.06) 10 51 13.70 (0.1) 10 51 13.70 10 51 13.53 (0.06) 10 51 13.42
Declination 04 35 16.18 (0.05) 04 35 16.25 (0.08) 04 35 16.18 04 35 18.40 (0.05) 04 35 22.20
Spectral type DB DB DB DBs DB DB
Effective temperature [K] 14317.0 13705.0 13170.0 14503.0 (27) 14863.0 (44) 13000.0 13728.0 (291)
log(g) [cgs] 7.93 7.98 7.92 8.00 (0) 8.30 (0.03) 7.99 (0.03)
Mass [M] 0.548 0.578 0.539 0.582 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.2606
log(H/He) <-6.487 <-6.24 <-5
log(C/He)
log(Ca/He) <-8.81
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] 8.93 (0.06) 8.89 (0.1) 8.93 8.93 (0.06)
Distance [pc] 111.93 (0.8) 112.42 (1) 117.00 111.93 111.93 (0.8)
Composition He
Proper motion (right ascension) [mas/yr] 163.3873316 (0.07) 163.4476348 (0.2) 163.387 (0.07)
Proper motion (declination) [mas/yr] -138.7481691 (0.07) -138.6952693 (0.1) -138.748 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.60
V magnitude
R magnitude 17.00
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.56 (0.01) 16.56 (0.006)
g magnitude 16.57 (0.01) 16.57 (0.004)
r magnitude 16.83 (0.01) 16.83 (0.005)
i magnitude 17.08 (0.01) 17.08 (0.006)
z magnitude 17.32 (0.01) 17.32 (0.01)
G magnitude 16.70 (0.004) 16.72 16.70 16.70 (0.003)
BP magnitude 16.67 (0.004) 16.63
RP magnitude 16.75 (0.006) 16.76
Pan g magnitude 16.63 (0.004)
Pan r magnitude 16.85 (0.002)
Pan i magnitude 17.08 (0.003)
Pan z magnitude 17.29 (0.006)
Pan y magnitude 17.41 (0.02)
E(B-V) 0.006

* 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.