SDSS J083406.53+381008.4

All names: Gaia DR2 911011594829033216, Gaia DR3 911011594829033216, WD 0830+383, Gaia EDR3 911011594829033216, SDSS J083406.53+381008.4, SDSS J083406.54+381008.5, GALEX J083406.5+381009

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 34 06.53 (0.6) 08 34 06.53 08 34 06.53 (0.9) 08 34 06.54 (0.6) 08 34 06.54 08 34 06.19 08 34 06.54
Declination 38 10 08.41 (0.3) 38 10 08.45 38 10 08.42 (0.6) 38 10 08.49 (0.3) 38 10 08.44 38 10 05.52 38 10 08.47
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 24728.0 17506.0 (760) 17427.0 (783)
log(g) [cgs] 9.12 7.76 (0.2) 7.64 (0.2)
Mass [M☉] 1.249 0.469 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.3325
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] 3.09 (0.8) 2.93 (1) 3.09 (0.8)
Distance [pc] 323.81 (85) 341.25 (116) 323.81 (85)
Composition H
Proper motion (right ascension) [mas/yr] -8.140267474 (0.9) -7.536855312 (2) -8.14 (0.9)
Proper motion (declination) [mas/yr] -4.965251224 (0.6) -5.514397339 (1) -4.965 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.41 (0.06) 20.39 (0.06) 20.37 (0.06) 20.37 20.39 (0.06)
g magnitude 20.05 (0.02) 20.05 (0.02) 20.05 (0.02) 20.05 20.06 (0.02)
r magnitude 20.35 (0.03) 20.36 (0.03) 20.36 (0.03) 20.36 20.36 (0.03)
i magnitude 20.70 (0.05) 20.64 (0.05) 20.66 (0.05) 20.66 20.67 (0.05)
z magnitude 20.97 (0.2) 21.05 (0.2) 21.03 (0.2) 21.03 21.04 (0.2)
G magnitude 20.25 (0.06) 20.32 20.25 (0.005)
BP magnitude 20.20 (0.06) 20.15
RP magnitude 20.26 (0.1) 20.06
Pan g magnitude 20.13 (0.02)
Pan r magnitude 20.41 (0.02)
Pan i magnitude 20.61 (0.03)
Pan z magnitude 20.80 (0.08)
Pan y magnitude
E(B-V) 0.024

* 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.