SDSS J012940.05+384210.4

All names: SDSS J012940.05+384210.40, SDSS J012940.05+384210.4, Gaia DR3 323321873867827968, Gaia DR2 323321873867827968, V* V744 And, Gaia EDR3 323321873867827968

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 Vincent et al. 2023
Right ascension 01 29 40.06 (0.3) 01 29 40.06 01 29 40.06 (0.4) 01 29 40.06 (0.3) 01 29 40.05
Declination 38 42 10.54 (0.2) 38 42 10.46 38 42 10.54 (0.8) 38 42 10.45 (0.2) 38 42 10.44
Spectral type DB: DB DB: CV
Effective temperature [K] 15459.0 14110.0 11912.0 12616.0 (243)
log(g) [cgs] 8.76 7.93 7.79 9.95 (0.06)
Mass [M] 1.069 0.551 0.472
log(Luminosity) [L]
Cooling age [Gyr] 0.2974
log(H/He) -5.211
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] 1.74 (0.4) 2.07 (0.5) 1.74 (0.4)
Distance [pc] 576.27 (142) 484.01 (124) 576.27 (142)
Composition He
Proper motion (right ascension) [mas/yr] -2.174237941 (0.3) -2.691332459 (0.8) -2.174 (0.3)
Proper motion (declination) [mas/yr] 5.531802824 (0.3) 6.331590395 (2) 5.532 (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 19.68 (0.03) 19.68 (0.03) 19.66 (0.03)
g magnitude 19.79 (0.01) 19.78 (0.01) 19.82 (0.02)
r magnitude 20.00 (0.02) 20.07 (0.02) 20.07 (0.02)
i magnitude 20.18 (0.03) 20.19 (0.03) 20.24 (0.04)
z magnitude 20.08 (0.1) 20.10 (0.1) 20.62 (0.1)
G magnitude 19.92 (0.1) 19.93 19.92 (0.006)
BP magnitude 19.81 (0.1) 19.65
RP magnitude 19.80 (0.1) 19.59
Pan g magnitude 19.88 (0.03)
Pan r magnitude 20.08 (0.02)
Pan i magnitude 20.33 (0.03)
Pan z magnitude 20.39 (0.05)
Pan y magnitude 18.12 (0.05)
E(B-V) 0.042

* 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.