SDSS J090746.83+353821.4

All names: Gaia DR3 715168198596929792, SDSS J090746.83+353821.4, SDSS J090746.84+353821.5, Gaia EDR3 715168198596929792, GALEX J090746.6+353821, WD 0904+358, Gaia DR2 715168198596929792, SDSS J090746.83+353821.5, SDSS J090746.84+353821.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 07 46.80 (0.3) 09 07 46.83 09 07 46.80 (0.5) 09 07 46.84 09 07 46.84 (0.3) 09 07 46.83 09 07 46.80 09 07 46.84
Declination 35 38 21.37 (0.2) 35 38 21.51 35 38 21.37 (0.3) 35 38 21.52 35 38 21.55 (0.2) 35 38 21.48 35 38 16.44 35 38 21.49
Spectral type DAH DA DA DAH DAP DA_H: DA DAH DAH
Effective temperature [K] 18100.6 (1029) 14979.0 16500.0 11732.0 (257) 12485.0 (306)
log(g) [cgs] 8.76 (0.1) 8.62 8.00 (0) 8.87 (0.2) 9.85 (0.1)
Mass [M] 1.0845092943696308 (0.2) 1.003
log(Luminosity) [L]
Cooling age [Gyr] 0.5486
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] 2.74 (0.4) 3.27 (0.7) 2.74 (0.4)
Distance [pc] 364.85 (58) 305.94 (62) 364.84 (58)
Composition H H
Proper motion (right ascension) [mas/yr] -32.66840277 (0.4) -33.31351329 (0.9) -32.668 (0.4) -33.4
Proper motion (declination) [mas/yr] -11.58858756 (0.3) -10.8276456 (0.7) -11.589 (0.3) -14.6
Variability
Magnetic yes yes yes
Bd [MG] 16.44232962175306 22.4 (9) 22.4 (9)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.76 (0.03) 19.76 (0.03) 19.76 (0.03) 19.76 19.75 (0.03)
g magnitude 19.61 (0.01) 19.61 (0.01) 19.63 (0.02) 19.62 19.62 (0.02)
r magnitude 19.91 (0.02) 19.91 (0.02) 19.92 (0.03) 19.92 19.93 (0.03)
i magnitude 20.27 (0.04) 20.27 (0.04) 20.27 (0.04) 20.27 20.28 (0.04)
z magnitude 20.43 (0.2) 20.43 (0.2) 20.48 (0.2) 20.48 20.48 (0.2)
G magnitude 19.76 (0.05) 19.82 19.76 (0.005)
BP magnitude 19.71 (0.05) 19.71
RP magnitude 19.73 (0.07) 19.78
Pan g magnitude 19.63 (0.01)
Pan r magnitude 19.91 (0.01)
Pan i magnitude 20.16 (0.02)
Pan z magnitude 20.37 (0.02)
Pan y magnitude 20.44 (0.2)
E(B-V) 0.020

* 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.