SDSS J124341.14+615423.1

All names: USNO-B1.0 1519-00205719, Gaia DR3 1580539718591337472, SDSS J124341.18+615422.9, SDSS J124341.13+615423.1, USNO-A2.0 1500-05593335, SDSS J124341.18+615422.95, Gaia EDR3 1580539718591337472, SDSS J124341.14+615423.1, Gaia DR2 1580539718591337472

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Koester & Kepler 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 12 43 41.18 (0.2) 12 43 41.14 12 43 41.18 (0.3) 12 43 41.18 12 43 41.14 (0.2)
Declination 61 54 22.97 (0.2) 61 54 23.14 61 54 22.98 (0.3) 61 54 22.97 61 54 23.18 (0.2)
Spectral type DBAH: DBAH: DB DBAH DB
Effective temperature [K] 13322.0 12152.0 10575.0 47487.0 (193) 11331.0 (147) 11810.0 (699)
log(g) [cgs] 8.93 7.87 7.64 8.12 (0.07) 8.00 (0) 8.09 (0.1)
Mass [M] 1.157 0.51 0.397 0.706 (0.04) 0.638 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.3514
log(H/He) -5.163 <-5.54
log(C/He)
log(Ca/He) <-10.17
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] 3.42 (0.2) 2.91 (0.3) 3.42 3.42 (0.2)
Distance [pc] 292.41 (20) 343.55 (40) 284.00 292.41 292.41 (20)
Composition He
Proper motion (right ascension) [mas/yr] 18.01053053 (0.3) 18.67247909 (0.6) 18.011 (0.3)
Proper motion (declination) [mas/yr] -12.88948576 (0.3) -13.38783624 (0.5) -12.889 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.90
V magnitude
R magnitude 19.60
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.27 (0.02) 19.28 (0.02) 19.28 (0.02)
g magnitude 19.23 (0.01) 19.22 (0.02) 19.23 (0.01)
r magnitude 19.41 (0.02) 19.40 (0.03) 19.41 (0.02)
i magnitude 19.64 (0.03) 19.63 (0.03) 19.64 (0.03)
z magnitude 19.90 (0.1) 19.86 (0.1) 19.90 (0.1)
G magnitude 19.30 (0.02) 19.34 19.30 19.30 (0.004)
BP magnitude 19.33 (0.02) 19.19
RP magnitude 19.32 (0.05) 19.16
Pan g magnitude 19.29 (0.01)
Pan r magnitude 19.40 (0.01)
Pan i magnitude 19.62 (0.02)
Pan z magnitude 19.79 (0.03)
Pan y magnitude 19.79 (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.