SDSS J084926.25+385953.4

All names: GALEX J084926.2+385953, Gaia DR2 911989472982325632, Gaia DR3 911989472982325632, Gaia EDR3 911989472982325632, SDSS J084926.25+385953.5, SDSS J084926.25+385953.4, WD 0846+391

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 49 26.25 (0.3) 08 49 26.25 08 49 26.25 (0.4) 08 49 26.25 (0.3) 08 49 26.25 08 49 26.11 08 49 26.25
Declination 38 59 53.46 (0.2) 38 59 53.59 38 59 53.46 (0.2) 38 59 53.51 (0.2) 38 59 53.47 38 59 49.92 38 59 53.47
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 13445.0 17326.0 (357) 17828.0 (391)
log(g) [cgs] 7.69 7.90 (0.07) 7.93 (0.08)
Mass [M☉] 0.446 0.583 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.1754
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] 2.12 (0.3) 2.30 (0.4) 2.12 (0.3)
Distance [pc] 472.34 (67) 434.71 (85) 472.34 (67)
Composition H
Proper motion (right ascension) [mas/yr] -3.146798911 (0.3) -2.918625531 (0.7) -3.147 (0.3) 5.4
Proper motion (declination) [mas/yr] -3.456577583 (0.3) -2.685740425 (0.4) -3.457 (0.3) -3.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.25 (0.02) 19.25 (0.02) 19.28 (0.04) 19.28 19.27 (0.04)
g magnitude 19.07 (0.01) 19.07 (0.01) 19.08 (0.01) 19.08 19.08 (0.01)
r magnitude 19.41 (0.01) 19.41 (0.01) 19.41 (0.02) 19.41 19.42 (0.02)
i magnitude 19.65 (0.02) 19.65 (0.02) 19.65 (0.03) 19.64 19.65 (0.03)
z magnitude 19.92 (0.07) 19.92 (0.07) 19.94 (0.07) 19.93 19.94 (0.07)
G magnitude 19.25 (0.02) 19.30 19.25 (0.004)
BP magnitude 19.25 (0.02) 19.21
RP magnitude 19.50 (0.07) 19.41
Pan g magnitude 19.13 (0.009)
Pan r magnitude 19.39 (0.01)
Pan i magnitude 19.68 (0.01)
Pan z magnitude 19.96 (0.01)
Pan y magnitude 19.90 (0.007)
E(B-V) 0.026

* 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.