SDSS J072812.68+362826.6

All names: GALEX J072812.7+362826, Gaia DR2 898560244120077696, SDSS J072812.67+362826.6, Gaia DR3 898560244120077696, Gaia EDR3 898560244120077696, SDSS J072812.68+362826.5, SDSS J072812.67+362826.5, SDSS J072812.68+362826.6

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 07 28 12.68 (0.2) 07 28 12.67 07 28 12.68 (0.3) 07 28 12.67 (0.2) 07 28 12.68
Declination 36 28 26.46 (0.2) 36 28 26.53 36 28 26.46 (0.3) 36 28 26.49 (0.2) 36 28 26.63
Spectral type DA DA DA DA
Effective temperature [K] 18224.0 25886.0 (346)
log(g) [cgs] 8.03 8.13 (0.04)
Mass [M] 0.634
log(Luminosity) [L]
Cooling age [Gyr] 0.1062
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] 2.77 (0.3) 2.89 (0.4) 2.77 (0.3)
Distance [pc] 361.47 (36) 346.02 (46) 361.47 (36)
Composition H
Proper motion (right ascension) [mas/yr] 6.267750251 (0.2) 5.268985396 (0.7) 6.268 (0.2)
Proper motion (declination) [mas/yr] -1.875452627 (0.2) -0.572418445 (0.7) -1.875 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.51 (0.02) 18.51 (0.02) 18.49 (0.03)
g magnitude 18.49 (0.007) 18.49 (0.007) 18.51 (0.01)
r magnitude 18.86 (0.01) 18.86 (0.01) 18.85 (0.02)
i magnitude 19.16 (0.02) 19.16 (0.02) 19.16 (0.02)
z magnitude 19.40 (0.06) 19.40 (0.06) 19.37 (0.06)
G magnitude 18.68 (0.02) 18.72 18.68 (0.004)
BP magnitude 18.60 (0.02) 18.48
RP magnitude 18.84 (0.06) 18.77
Pan g magnitude 18.53 (0.006)
Pan r magnitude 18.87 (0.005)
Pan i magnitude 19.18 (0.008)
Pan z magnitude 19.44 (0.01)
Pan y magnitude 19.54 (0.03)
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.