SDSS J143037.70+132321.3

All names: Gaia EDR3 1227436610212875904, GALEX J143037.7+132321, SDSS J143037.70+132321.3, Gaia DR2 1227436610212875904, SDSS J143037.70+132321.2, SDSS J143037.70+132321.26, Gaia DR3 1227436610212875904

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 14 30 37.70 (0.08) 14 30 37.70 14 30 37.70 (0.1) 14 30 37.70 14 30 37.71 (0.08)
Declination 13 23 21.14 (0.08) 13 23 21.32 13 23 21.15 (0.1) 13 23 21.14 13 23 21.30 (0.08)
Spectral type DA DAO DAO DA DAO DA
Effective temperature [K] 50055.0 (1062) 27996.0 60723.0 (1463)
log(g) [cgs] 7.49 (0.08) 6.84 7.83 (0.08)
Mass [M] 0.48 (0.03) 0.284
log(Luminosity) [L] 0.39 (0.07)
Cooling age [Gyr] 0.0005 (0.0003)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 1.18 (0.1) 1.21 (0.2) 1.18 1.18 (0.1)
Distance [pc] 850.49 (79) 823.16 (115) 850.49 850.48 (79)
Composition H H
Proper motion (right ascension) [mas/yr] -11.99763915 (0.1) -12.37502006 (0.3) -11.998 (0.1)
Proper motion (declination) [mas/yr] -9.88525583 (0.1) -9.124991336 (0.3) -9.885 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.35 (0.05)
H magnitude
K magnitude
u magnitude 17.02 (0.008) 17.01 (0.02) 17.02 (0.008)
g magnitude 17.42 (0.005) 17.43 (0.01) 17.42 (0.005)
r magnitude 17.93 (0.007) 17.95 (0.01) 17.93 (0.007)
i magnitude 18.31 (0.009) 18.31 (0.02) 18.30 (0.009)
z magnitude 18.56 (0.03) 18.57 (0.03) 18.56 (0.03)
G magnitude 17.68 (0.009) 17.71 17.68 17.68 (0.003)
BP magnitude 17.51 (0.009) 17.44
RP magnitude 17.96 (0.03) 17.90
Pan g magnitude 17.48 (0.01)
Pan r magnitude 17.94 (0.004)
Pan i magnitude 18.32 (0.008)
Pan z magnitude 18.55 (0.01)
Pan y magnitude 18.78 (0.05)
E(B-V) 0.024

* 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.