SDSS J112506.49+452814.0

All names: Gaia DR3 785337140895588096, Gaia DR2 785337140895588096, SDSS J112506.48+452814.1, SDSS J112506.49+452814.0, GALEX J112506.4+452813, SDSS J112506.49+452814.00, Gaia EDR3 785337140895588096, WD 1122+457

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 25 06.50 (0.06) 11 25 06.49 11 25 06.50 (0.09) 11 25 06.50 11 25 06.48 (0.06) 11 25 06.49 11 25 06.50 11 25 06.49
Declination 45 28 13.69 (0.09) 45 28 14.10 45 28 13.70 (0.1) 45 28 13.69 45 28 14.13 (0.09) 45 28 14.05 45 28 12.36 45 28 14.03
Spectral type DB_A: DB DBA DB_A: DB DB DB
Effective temperature [K] 14118.0 15184.0 13332.0 14766.0 (44) 13813.0 (446) 15939.0 (247) 15076.0 (194)
log(g) [cgs] 7.95 8.12 7.94 8.00 (0) 7.92 (0.06) 8.77 (0.2) 8.60 (0.1)
Mass [M] 0.561 0.664 0.551 0.543 (0.04) 0.964 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.2589
log(H/He) -5.83 -5.32 (0.3)
log(C/He)
log(Ca/He) <-8.08
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] 4.10 (0.1) 4.22 (0.2) 4.10 4.10 (0.1)
Distance [pc] 243.63 (9) 236.97 (10) 247.00 243.63 243.63 (9)
Composition He
Proper motion (right ascension) [mas/yr] 9.327397031 (0.08) 9.642909889 (0.2) 9.327 (0.08) 12.1
Proper motion (declination) [mas/yr] -27.76288675 (0.1) -27.6028648 (0.2) -27.763 (0.1) -27.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.10 (0.01) 18.10 (0.01) 18.10 (0.03) 18.09 18.09 (0.03)
g magnitude 18.16 (0.006) 18.16 (0.006) 18.19 (0.02) 18.18 18.19 (0.02)
r magnitude 18.52 (0.008) 18.52 (0.008) 18.60 (0.02) 18.59 (0.02)
i magnitude 18.62 (0.01) 18.62 (0.01) 18.69 (0.02) 18.68 (0.02)
z magnitude 18.89 (0.04) 18.89 (0.04) 18.97 (0.04) 18.93 (0.04)
G magnitude 18.31 (0.01) 18.35 18.31 18.31 (0.003)
BP magnitude 18.28 (0.01) 18.23
RP magnitude 18.36 (0.02) 18.32
Pan g magnitude 18.26 (0.02)
Pan r magnitude 18.43 (0.007)
Pan i magnitude 18.71 (0.007)
Pan z magnitude 18.91 (0.01)
Pan y magnitude 19.07 (0.02)
E(B-V) 0.016

* 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.