SDSS J074233.59+272238.8

All names: SDSS J074233.59+272238.8, Gaia DR2 875203799646943616, SDSS J074233.59+272238.80, SDSS J074233.59+272238.7, SDSS J074233.57+272238.7, Gaia DR3 875203799646943616, Gaia EDR3 875203799646943616

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 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 42 33.57 (0.3) 07 42 33.58 07 42 33.57 (0.7) 07 42 33.58 (0.3) 07 42 33.59
Declination 27 22 38.85 (0.2) 27 22 38.73 27 22 38.84 (0.4) 27 22 38.71 (0.2) 27 22 38.80
Spectral type DBA: DBA DBA: DB
Effective temperature [K] 13107.0 13496.0 11968.0 13688.0 (96) 13865.0 (347)
log(g) [cgs] 7.54 7.44 7.28 8.00 (0) 8.54 (0.2)
Mass [M] 0.363 0.327 0.273
log(Luminosity) [L]
Cooling age [Gyr] 0.1912
log(H/He) -5.534 <-5.55
log(C/He)
log(Ca/He) <-8.51
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] 2.45 (0.3) 2.04 (0.9) 2.45 (0.3)
Distance [pc] 408.28 (54) 489.34 (225) 349.00 408.28 (54)
Composition He
Proper motion (right ascension) [mas/yr] -3.510427681 (0.3) -3.070285746 (1) -3.51 (0.3)
Proper motion (declination) [mas/yr] 8.892846327 (0.3) 8.816223169 (0.6) 8.893 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.18 (0.02) 19.18 (0.02) 19.15 (0.03)
g magnitude 19.16 (0.01) 19.16 (0.01) 19.18 (0.02)
r magnitude 19.45 (0.01) 19.45 (0.01) 19.55 (0.03)
i magnitude 19.59 (0.02) 19.59 (0.02) 19.65 (0.05)
z magnitude 19.68 (0.07) 19.68 (0.07) 19.72 (0.09)
G magnitude 19.28 (0.03) 19.33 19.28 (0.005)
BP magnitude 19.26 (0.03) 19.18
RP magnitude 19.39 (0.08) 19.21
Pan g magnitude 19.18 (0.007)
Pan r magnitude 19.42 (0.008)
Pan i magnitude 19.61 (0.02)
Pan z magnitude 19.85 (0.05)
Pan y magnitude 19.76 (0.03)
E(B-V) 0.023

* 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.