SDSS J091254.43+101102.9

All names: Gaia DR3 591710016508717696, SDSS J091254.43+101102.90, SDSS J091254.43+101102.9, Gaia DR2 591710016508717696, GALEX J091254.5+101102, Gaia EDR3 591710016508717696

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 09 12 54.43 (0.6) 09 12 54.43 09 12 54.43 (1) 09 12 54.43 (0.6) 09 12 54.43
Declination 10 11 02.87 (0.4) 10 11 02.86 10 11 02.87 (0.7) 10 11 02.84 (0.4) 10 11 02.88
Spectral type DBA: DBA DBA:
Effective temperature [K] 14808.0 12138.0 10928.0 12377.0 (544)
log(g) [cgs] 9.16 8.37 8.24 7.70 (0.5)
Mass [M] 1.252 0.819 0.735
log(Luminosity) [L]
Cooling age [Gyr] 0.7150
log(H/He) -4.25
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.24 (0.7) 2.77 (1) 2.24 (0.7)
Distance [pc] 447.01 (145) 360.78 (166) 447.01 (145)
Composition He
Proper motion (right ascension) [mas/yr] -4.424122177 (0.7) -3.224050295 (2) -4.424 (0.7)
Proper motion (declination) [mas/yr] 1.699850005 (0.5) 2.224106204 (1) 1.7 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.28 (0.04) 20.26 (0.04) 20.26 (0.04)
g magnitude 20.24 (0.02) 20.26 (0.03) 20.26 (0.03)
r magnitude 20.37 (0.02) 20.36 (0.03) 20.36 (0.03)
i magnitude 20.58 (0.04) 20.58 (0.04) 20.58 (0.04)
z magnitude 20.74 (0.2) 20.74 (0.2) 20.74 (0.2)
G magnitude 20.29 (0.08) 20.40 20.29 (0.007)
BP magnitude 20.32 (0.08) 20.40
RP magnitude 20.08 (0.1) 20.39
Pan g magnitude 20.24 (0.02)
Pan r magnitude 20.43 (0.008)
Pan i magnitude 20.63 (0.02)
Pan z magnitude 20.76 (0.1)
Pan y magnitude
E(B-V) 0.028

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.