SDSS J112225.21+153527.1

All names: Gaia DR3 3967464219930632320, GALEX J112225.2+153527, SDSS J112225.21+153527.13, SDSS J112225.21+153527.1, Gaia DR2 3967464219930632320, Gaia EDR3 3967464219930632320

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 11 22 25.20 (0.3) 11 22 25.22 11 22 25.20 (0.6) 11 22 25.22 (0.3)
Declination 15 35 27.14 (0.3) 15 35 27.13 15 35 27.14 (0.4) 15 35 27.13 (0.3)
Spectral type DBA DBA DBA DB
Effective temperature [K] 15736.0 16051.0 14534.0 15425.0 (70) 16000.0 (127)
log(g) [cgs] 8.07 8.10 7.96 8.00 (0) 8.29 (0.08)
Mass [M] 0.63 0.651 0.565 0.8220000000000001 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.2048
log(H/He) -3.786 -3.63 (0.3)
log(C/He)
log(Ca/He) <-7.09
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] 2.39 (0.4) 2.58 (0.8) 2.39 (0.4)
Distance [pc] 418.13 (74) 387.69 (122) 393.00 418.13 (74)
Composition He
Proper motion (right ascension) [mas/yr] -18.89751073 (0.4) -19.57048562 (0.8) -18.898 (0.4)
Proper motion (declination) [mas/yr] 0.435361838 (0.4) -0.479290776 (0.8) 0.435 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.05 (0.02) 19.04 (0.03) 19.05 (0.02)
g magnitude 19.07 (0.009) 19.09 (0.02) 19.07 (0.009)
r magnitude 19.39 (0.01) 19.41 (0.01) 19.39 (0.01)
i magnitude 19.63 (0.02) 19.64 (0.02) 19.63 (0.02)
z magnitude 19.80 (0.1) 19.87 (0.1) 19.80 (0.1)
G magnitude 19.24 (0.04) 19.30 19.24 (0.005)
BP magnitude 19.21 (0.04) 19.18
RP magnitude 19.39 (0.07) 19.39
Pan g magnitude 19.11 (0.009)
Pan r magnitude 19.38 (0.01)
Pan i magnitude 19.66 (0.009)
Pan z magnitude 19.79 (0.03)
Pan y magnitude 20.01 (0.1)
E(B-V) 0.019

* 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.