WD 1048+04

All names: LSPM J1051+0435, NLTT 25513, USNO-B1.0 0945-00188762, LP 551-21, SDSS J105113.54+043518.2, SDSS J105113.66+043516.9, Gaia DR2 3858073773722879488, PSO J105113.670+043516.887, WD 1048+048

Parameter Unit MWDD HE Pan-STARRS DR1 Gaia DR2 Koester & Kepler (2015) Simbad
Right ascension 10 51 13.70 (0.1) 10 51 13.53 (0.1)
Declination 04 35 16.25 (0.08) 04 35 18.40 (0.08)
Spectral type DB DBs
Effective temperature [K] 13170.0 14503.0 (27)
log(g) [cgs] 7.92 8.00 (0)
Mass [M] 0.539
log(Luminosity) [L]
Cooling age [Gyr] 0.2606
log(H/He) -6.24 (0)
log(C/He)
log(Ca/He) -8.81 (0)
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] 8.89 (0.1) 8.89 (0.1)
Distance [pc] 112.42 (1) 117.00 112.42 (1)
Composition He
Proper motion (right ascension) [mas/yr] 163.448 (0.2) 163.448 (0.2)
Proper motion (declination) [mas/yr] -138.695 (0.1) -138.695 (0.1)
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 16.51 (0.006)
g magnitude 16.56 (0.004)
r magnitude 16.83 (0.005)
i magnitude 17.07 (0.006)
z magnitude 17.31 (0.01)
G magnitude 16.72 16.72 (0.002)
BP magnitude 16.63
RP magnitude 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)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.