SDSS J125620.19+115044.9

All names: SDSS J125620.18+115044.9, Gaia EDR3 3735728984597212288, SDSS J125620.19+115044.9, Gaia DR2 3735728984597212288, Gaia DR3 3735728984597212288, GALEX J125620.2+115045

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 56 20.16 (0.5) 12 56 20.19 12 56 20.16 (0.6) 12 56 20.20 (0.5) 12 56 20.19
Declination 11 50 44.98 (0.4) 11 50 44.94 11 50 44.98 (0.5) 11 50 44.90 (0.4) 11 50 44.95
Spectral type DA DA DA DA
Effective temperature [K] 13112.0 13907.0 (798)
log(g) [cgs] 7.77 7.77 (0.2)
Mass [M] 0.484 0.498 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.2126
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 1.74 (0.6) 1.52 (0.7) 1.74 (0.6)
Distance [pc] 574.81 (204) 658.36 (302) 574.81 (204)
Composition H
Proper motion (right ascension) [mas/yr] -35.79792209 (0.9) -32.77354806 (2) -35.798 (0.9)
Proper motion (declination) [mas/yr] 4.933215088 (0.9) 4.191372745 (1) 4.933 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.59 (0.07) 20.59 (0.07) 20.61 (0.08)
g magnitude 20.18 (0.02) 20.18 (0.02) 20.22 (0.03)
r magnitude 20.41 (0.03) 20.41 (0.03) 20.46 (0.04)
i magnitude 20.77 (0.06) 20.77 (0.06) 20.82 (0.05)
z magnitude 20.93 (0.2) 20.93 (0.2) 20.93 (0.2)
G magnitude 20.37 (0.07) 20.42 20.37 (0.006)
BP magnitude 20.36 (0.07) 20.32
RP magnitude 20.38 (0.08) 20.34
Pan g magnitude 20.20 (0.02)
Pan r magnitude 20.49 (0.01)
Pan i magnitude 20.71 (0.03)
Pan z magnitude 20.85 (0.04)
Pan y magnitude 20.48 (0.2)
E(B-V) 0.023

* 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.