SDSS J234212.96+003609.2

All names: SDSS J234212.95+003609.1, GALEX J234212.9+003610, SDSS J234212.96+003609.1, Gaia DR3 2642993715702006656, Gaia DR2 2642993715702006656, WD 2339+003, SDSS J234212.96+003609.2, Gaia EDR3 2642993715702006656

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 23 42 12.95 (0.3) 23 42 12.96 23 42 12.95 (0.5) 23 42 12.96 (0.3) 23 42 12.96 23 42 12.72 23 42 12.96
Declination 00 36 09.14 (0.3) 00 36 09.19 00 36 09.14 (0.4) 00 36 09.13 (0.3) 00 36 09.16 00 36 09.00 00 36 09.16
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 14059.0 15259.0 (416) 16092.0 (236)
log(g) [cgs] 8.10 7.58 (0.1) 7.82 (0.05)
Mass [M] 0.67 0.526 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.2785
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] 2.00 (0.4) 2.59 (0.7) 2.00 (0.4)
Distance [pc] 500.46 (106) 385.89 (99) 500.45 (106)
Composition H
Proper motion (right ascension) [mas/yr] -9.048962167 (0.5) -9.757286947 (0.9) -9.049 (0.5) 0.4
Proper motion (declination) [mas/yr] 0.240190346 (0.3) 0.216911728 (0.7) 0.24 (0.3) -7.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.70 (0.03) 19.70 (0.03) 19.68 (0.04) 19.67 19.66 (0.04)
g magnitude 19.39 (0.01) 19.39 (0.01) 19.37 (0.03) 19.36 19.35 (0.03)
r magnitude 19.63 (0.02) 19.63 (0.02) 19.66 (0.03) 19.66 19.66 (0.02)
i magnitude 19.88 (0.03) 19.88 (0.03) 19.90 (0.04) 19.90 19.90 (0.04)
z magnitude 20.06 (0.1) 20.06 (0.1) 20.16 (0.2) 20.16 20.15 (0.2)
G magnitude 19.50 (0.04) 19.55 19.50 (0.005)
BP magnitude 19.56 (0.04) 19.51
RP magnitude 19.66 (0.06) 19.54
Pan g magnitude 19.39 (0.01)
Pan r magnitude 19.65 (0.009)
Pan i magnitude 19.91 (0.01)
Pan z magnitude 20.12 (0.04)
Pan y magnitude 19.86 (0.2)
E(B-V) 0.037

* 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.