SDSS J104621.12+144738.9

All names: SDSS J104621.12+144738.8, SDSS J104621.11+144738.8, SDSS J104621.12+144738.9, Gaia DR2 3885361144063792512, Gaia DR3 3885361144063792512, GALEX J104621.1+144739, Gaia EDR3 3885361144063792512

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 10 46 21.02 (0.3) 10 46 21.11 10 46 21.03 (0.3) 10 46 21.02 10 46 21.14 (0.3) 10 46 21.12
Declination 14 47 37.33 (0.2) 14 47 38.86 14 47 37.39 (0.3) 14 47 37.33 14 47 39.25 (0.2) 14 47 38.88
Spectral type DA DA DA DA DA
Effective temperature [K] 7948.0 8080.0 (398) 7844.0 (70)
log(g) [cgs] 8.58 8.58 (0.08) 8.48 (0.1)
Mass [M☉] 0.968 0.966 (0.07) 0.89 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr] 3.1160
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] 9.28 (0.3) 9.50 (0.4) 9.28 9.28 (0.3)
Distance [pc] 107.71 (4) 105.30 (5) 107.71 107.71 (4)
Composition H
Proper motion (right ascension) [mas/yr] -104.7138872 (0.3) -104.7451731 (0.6) -104.714 (0.3)
Proper motion (declination) [mas/yr] -119.8945344 (0.3) -119.5673915 (0.5) -119.895 (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 19.54 (0.03) 19.54 (0.03) 19.51 (0.04)
g magnitude 19.13 (0.009) 19.13 (0.009) 19.16 (0.03)
r magnitude 19.03 (0.01) 19.03 (0.01) 19.03 (0.02)
i magnitude 19.06 (0.02) 19.06 (0.02) 19.06 (0.02)
z magnitude 19.10 (0.05) 19.09 (0.05) 19.11 (0.05)
G magnitude 19.00 (0.05) 19.04 19.00 19.00 (0.004)
BP magnitude 19.19 (0.05) 19.26
RP magnitude 18.76 (0.05) 18.83
Pan g magnitude 19.11 (0.008)
Pan r magnitude 19.03 (0.009)
Pan i magnitude 19.10 (0.01)
Pan z magnitude 19.17 (0.005)
Pan y magnitude 19.17 (0.04)
E(B-V) 0.005

* 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.