SDSS J085048.18+101800.9

All names: Gaia EDR3 598468096008992640, GALEX J085048.2+101801, EPIC 228682409, Gaia DR3 598468096008992640, SDSS J085048.18+101800.8, Gaia DR2 598468096008992640, SDSS J085048.18+101800.9

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 08 50 48.16 (0.4) 08 50 48.18 08 50 48.16 (0.6) 08 50 48.19 (0.4) 08 50 48.18
Declination 10 18 00.57 (0.2) 10 18 00.83 10 18 00.58 (0.4) 10 18 01.04 (0.2) 10 18 00.88
Spectral type DA DA DA DA
Effective temperature [K] 9630.0 9859.0 (106)
log(g) [cgs] 8.26 8.19 (0.1)
Mass [M] 0.763 0.71 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.9773
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] 3.37 (0.5) 3.56 (0.7) 3.37 (0.5)
Distance [pc] 296.40 (43) 280.64 (55) 296.40 (43)
Composition H
Proper motion (right ascension) [mas/yr] -26.43675338 (0.5) -26.51077591 (1) -26.437 (0.5)
Proper motion (declination) [mas/yr] -29.32904562 (0.4) -28.96377155 (0.7) -29.329 (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 20.42 (0.05) 20.42 (0.05) 20.51 (0.07)
g magnitude 19.83 (0.02) 19.83 (0.01) 19.99 (0.02)
r magnitude 20.08 (0.02) 20.08 (0.03) 20.31 (0.04)
i magnitude 19.98 (0.03) 19.98 (0.03) 20.14 (0.04)
z magnitude 20.07 (0.09) 20.07 (0.09) 20.26 (0.08)
G magnitude 20.00 (0.04) 20.04 20.00 (0.004)
BP magnitude 19.97 (0.04) 20.03
RP magnitude 19.83 (0.06) 19.81
Pan g magnitude 19.95 (0.008)
Pan r magnitude 20.02 (0.01)
Pan i magnitude 20.15 (0.01)
Pan z magnitude 20.25 (0.05)
Pan y magnitude 19.98 (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.