SDSS J125433.37+605847.9

All names: Gaia DR3 1580238418045178752, Gaia EDR3 1580238418045178752, Gaia DR2 1580238418045178752, GALEX J125433.4+605848, SDSS J125433.37+605848.0, SDSS J125433.37+605847.9, SDSS J125433.38+605847.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 54 33.42 (0.3) 12 54 33.38 12 54 33.42 (0.5) 12 54 33.38 (0.3) 12 54 33.37
Declination 60 58 47.68 (0.3) 60 58 47.93 60 58 47.69 (0.4) 60 58 47.98 (0.3) 60 58 47.97
Spectral type DB DBH+M DBHM: DB
Effective temperature [K] 13797.0 15527.0 (287)
log(g) [cgs] 7.58 7.99 (0.2)
Mass [M] 0.38
log(Luminosity) [L]
Cooling age [Gyr] 0.1501
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] 1.46 (0.4) 1.49 (0.5) 1.46 (0.4)
Distance [pc] 683.48 (183) 669.12 (245) 683.48 (183)
Composition He
Proper motion (right ascension) [mas/yr] 21.23453695 (0.4) 20.1028386 (0.9) 21.235 (0.4)
Proper motion (declination) [mas/yr] -18.75679153 (0.4) -19.66249606 (0.9) -18.757 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.84 (0.03) 19.84 (0.03) 19.85 (0.03)
g magnitude 19.91 (0.02) 19.91 (0.02) 19.92 (0.02)
r magnitude 20.18 (0.02) 20.18 (0.03) 20.16 (0.03)
i magnitude 20.45 (0.04) 20.45 (0.04) 20.40 (0.04)
z magnitude 20.57 (0.2) 20.57 (0.2) 20.56 (0.2)
G magnitude 20.04 (0.05) 20.11 20.04 (0.005)
BP magnitude 20.06 (0.05) 19.99
RP magnitude 20.08 (0.1) 20.44
Pan g magnitude 19.90 (0.03)
Pan r magnitude 20.17 (0.02)
Pan i magnitude 20.42 (0.03)
Pan z magnitude 20.49 (0.06)
Pan y magnitude 20.30 (0.2)
E(B-V) 0.017

* 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.