SDSS J124337.49+151359.8

All names: SDSS J124337.49+151359.8, SDSS J124337.48+151359.8, Gaia EDR3 3933993127475976576, Gaia DR3 3933993127475976576, Gaia DR2 3933993127475976576

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 43 37.57 (0.3) 12 43 37.48 12 43 37.56 (0.4) 12 43 37.57 12 43 37.45 (0.3) 12 43 37.49
Declination 15 13 58.64 (0.1) 15 13 59.84 15 13 58.69 (0.2) 15 13 58.64 15 14 00.22 (0.1) 15 13 59.84
Spectral type DA DAH: DA DAH DAH: DA
Effective temperature [K] 7015.7 (58) 6905.0 7132.0 (255) 7172.0 (92)
log(g) [cgs] 7.84 (0.9) 7.81 7.92 (0.09) 7.97 (0.2)
Mass [M] 0.5013112477722068 (0.09) 0.485 0.546 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 1.2090
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] 6.16 (0.3) 6.07 (0.5) 6.16 6.16 (0.3)
Distance [pc] 162.33 (8) 164.78 (12) 162.33 162.33 (8)
Composition H
Proper motion (right ascension) [mas/yr] 105.225805 (0.4) 105.9907285 (1) 105.226 (0.4)
Proper motion (declination) [mas/yr] -98.90642721 (0.3) -99.60074806 (0.4) -98.906 (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 20.02 (0.04) 20.02 (0.04) 20.02 (0.04)
g magnitude 19.50 (0.01) 19.50 (0.01) 19.50 (0.03)
r magnitude 19.34 (0.01) 19.34 (0.01) 19.32 (0.02)
i magnitude 19.26 (0.02) 19.26 (0.01) 19.27 (0.02)
z magnitude 19.27 (0.05) 19.27 (0.05) 19.27 (0.05)
G magnitude 19.31 (0.05) 19.35 19.31 19.31 (0.004)
BP magnitude 19.54 (0.05) 19.51
RP magnitude 19.00 (0.04) 19.00
Pan g magnitude 19.51 (0.02)
Pan r magnitude 19.32 (0.006)
Pan i magnitude 19.30 (0.009)
Pan z magnitude 19.37 (0.02)
Pan y magnitude 19.27 (0.04)
E(B-V) 0.017

* 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.