SDSS J103107.83+271405.3

All names: Gaia EDR3 728266066438573952, Gaia DR3 728266066438573952, SDSS J103107.83+271405.2, GALEX J103107.7+271406, SDSS J103107.83+271405.3, Gaia DR2 728266066438573952, SDSS J103107.82+271405.2

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 10 31 07.84 (0.4) 10 31 07.83 10 31 07.84 (0.6) 10 31 07.83 (0.4) 10 31 07.83
Declination 27 14 05.22 (0.3) 27 14 05.24 27 14 05.22 (0.4) 27 14 05.32 (0.3) 27 14 05.27
Spectral type DA DA DA DA
Effective temperature [K] 11248.0 13365.0 (564)
log(g) [cgs] 7.62 8.07 (0.1)
Mass [M☉] 0.41 0.646 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2812
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] 2.65 (0.4) 2.04 (0.6) 2.65 (0.4)
Distance [pc] 377.00 (55) 490.85 (137) 377.00 (55)
Composition H
Proper motion (right ascension) [mas/yr] 10.56635685 (0.5) 9.83979737 (1) 10.566 (0.5)
Proper motion (declination) [mas/yr] -6.620868968 (0.3) -5.591171465 (0.8) -6.621 (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 19.99 (0.04) 19.99 (0.04) 20.04 (0.04)
g magnitude 19.68 (0.01) 19.68 (0.01) 19.67 (0.02)
r magnitude 19.89 (0.02) 19.89 (0.02) 19.89 (0.02)
i magnitude 20.15 (0.04) 20.15 (0.04) 20.15 (0.04)
z magnitude 20.21 (0.2) 20.21 (0.2) 20.21 (0.2)
G magnitude 19.78 (0.06) 19.81 19.78 (0.006)
BP magnitude 19.82 (0.06) 19.91
RP magnitude 19.83 (0.1) 19.73
Pan g magnitude 19.68 (0.009)
Pan r magnitude 19.88 (0.01)
Pan i magnitude 20.08 (0.02)
Pan z magnitude 20.28 (0.03)
Pan y magnitude 20.39 (0.02)
E(B-V) 0.021

* 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.