Ton 462

All names: SDSS J095241.67+252159.7, Gaia DR3 643362912412710528, PG 0949+256, SDSS J095241.65+252159.6, WD 0949+256, SDSS J095241.67+252159.8, Gaia EDR3 643362912412710528, TON 462, LAMOST J095241.67+252159.7, GALEX J095241.7+252159, Gaia DR2 643362912412710528, Ton 462, SDSS J095241.66+252159.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Liebert et al. 2005 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 52 41.65 (0.05) 09 52 41.67 09 52 41.65 (0.07) 09 52 41.65 09 52 41.69 (0.05) 09 52 40.70 09 52 41.67
Declination 25 21 59.57 (0.05) 25 21 59.77 25 21 59.57 (0.07) 25 21 59.57 25 21 59.80 (0.05) 25 21 57.96 25 21 59.75
Spectral type DA DA DA DA2.1 DA3 DA DA
Effective temperature [K] 19856.0 23490.0 (377) 22600.0 (356) 22478.0 (318) 23573.0 (110)
log(g) [cgs] 7.83 8.01 (0.05) 7.98 (0.05) 7.95 (0.02) 7.98 (0.01)
Mass [M] 0.531 0.64 (0.03) 0.62 (0.03) 0.602 (0.01) 0.62 (0.004)
log(Luminosity) [L] -1.38
Cooling age [Gyr] 0.0465 0.0513
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] 6.72 (0.06) 6.81 (0.1) 6.72 6.72 (0.06)
Distance [pc] 148.87 (1) 146.80 (2) 142.00 146.00 148.87 148.87 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -34.58168244 (0.07) -34.6019372 (0.1) -34.582 (0.07)
Proper motion (declination) [mas/yr] -14.44474926 (0.06) -14.3692424 (0.1) -14.445 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.40
V magnitude 16.31 16.26
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.11 (0.005) 16.11 (0.005) 16.11 (0.02)
g magnitude 16.15 (0.004) 16.15 (0.004) 16.16 (0.01)
r magnitude 16.56 (0.004) 16.55 (0.004) 16.57 (0.02)
i magnitude 16.88 (0.006) 16.88 (0.006) 16.89 (0.01)
z magnitude 17.15 (0.01) 17.15 (0.01) 17.15 (0.02)
G magnitude 16.37 (0.003) 16.39 16.37 16.37 (0.003)
BP magnitude 16.28 (0.003) 16.24
RP magnitude 16.58 (0.005) 16.58
Pan g magnitude 16.21 (0.005)
Pan r magnitude 16.57 (0.004)
Pan i magnitude 16.89 (0.005)
Pan z magnitude 17.15 (0.003)
Pan y magnitude 17.31 (0.009)
E(B-V) 0.008

* 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.