SDSS J090431.81+143747.4

All names: SDSS J090431.80+143747.4, Gaia DR3 607206567749796608, SDSS J090431.82+143747.5, SDSS J090431.82+143747.4, GALEX J090431.8+143748, Gaia EDR3 607206567749796608, Gaia DR2 607206567749796608, SDSS J090431.81+143747.4

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 09 04 31.80 (0.1) 09 04 31.82 09 04 31.81 (0.2) 09 04 31.80 09 04 31.83 (0.1) 09 04 31.82
Declination 14 37 47.48 (0.1) 14 37 47.48 14 37 47.48 (0.1) 14 37 47.48 14 37 47.43 (0.1) 14 37 47.49
Spectral type DA DA DA DA DA
Effective temperature [K] 21172.0 26894.0 (1515) 26060.0 (269)
log(g) [cgs] 7.68 8.12 (0.08) 7.94 (0.03)
Mass [M] 0.468 0.704 (0.07) 0.606 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.0316
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 (0.2) 2.36 (0.2) 2.65 2.65 (0.2)
Distance [pc] 377.04 (23) 423.50 (41) 377.04 377.05 (23)
Composition H
Proper motion (right ascension) [mas/yr] -23.31617095 (0.2) -23.15471582 (0.3) -23.316 (0.2)
Proper motion (declination) [mas/yr] 3.253417549 (0.1) 3.432513846 (0.2) 3.253 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.99 (0.01) 17.99 (0.01) 18.00 (0.02)
g magnitude 18.08 (0.006) 18.08 (0.006) 18.11 (0.02)
r magnitude 18.51 (0.009) 18.52 (0.009) 18.52 (0.01)
i magnitude 18.84 (0.01) 18.84 (0.01) 18.84 (0.02)
z magnitude 19.16 (0.04) 19.16 (0.04) 19.17 (0.04)
G magnitude 18.31 (0.02) 18.35 18.31 18.31 (0.003)
BP magnitude 18.23 (0.02) 18.16
RP magnitude 18.62 (0.03) 18.56
Pan g magnitude 18.18 (0.009)
Pan r magnitude 18.52 (0.01)
Pan i magnitude 18.85 (0.02)
Pan z magnitude 19.16 (0.01)
Pan y magnitude 19.27 (0.08)
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.