SDSS J163029.78+135046.1

All names: SDSS J163029.78+135046.0, Gaia DR2 4460732490799651456, Gaia EDR3 4460732490799651456, Gaia DR3 4460732490799651456, GALEX J163029.7+135046, SDSS J163029.78+135046.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 30 29.78 (0.3) 16 30 29.78 16 30 29.78 (0.3) 16 30 29.78 16 30 29.78 (0.3) 16 30 29.78
Declination 13 50 46.28 (0.2) 13 50 46.05 13 50 46.27 (0.2) 13 50 46.28 13 50 45.97 (0.2) 13 50 46.08
Spectral type DA DA DA DA DA
Effective temperature [K] 7501.0 7866.0 (309) 8343.0 (134)
log(g) [cgs] 7.52 7.77 (0.1) 8.19 (0.3)
Mass [M] 0.353 0.468 (0.09) 0.707 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.7441
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] 4.12 (0.3) 3.83 (0.4) 4.12 4.12 (0.3)
Distance [pc] 242.59 (20) 261.09 (29) 242.59 242.59 (20)
Composition H
Proper motion (right ascension) [mas/yr] -5.421372573 (0.3) -4.724547843 (0.6) -5.421 (0.3)
Proper motion (declination) [mas/yr] 19.87317681 (0.3) 19.68360149 (0.5) 19.873 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.20 (0.05) 20.20 (0.05) 20.22 (0.05)
g magnitude 19.75 (0.01) 19.75 (0.01) 19.75 (0.02)
r magnitude 19.68 (0.02) 19.68 (0.02) 19.68 (0.02)
i magnitude 19.66 (0.02) 19.66 (0.02) 19.67 (0.02)
z magnitude 19.71 (0.09) 19.71 (0.09) 19.69 (0.09)
G magnitude 19.67 (0.04) 19.71 19.67 19.67 (0.004)
BP magnitude 19.86 (0.04) 19.77
RP magnitude 19.43 (0.04) 19.28
Pan g magnitude 19.76 (0.01)
Pan r magnitude 19.67 (0.007)
Pan i magnitude 19.70 (0.01)
Pan z magnitude 19.75 (0.04)
Pan y magnitude 19.68 (0.04)
E(B-V) 0.045

* 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.