Ton 42

All names: CSO 58, Gaia DR2 737541576594654976, Gaia EDR3 737541576594654976, WD 1042+322, GALEX J104534.4+315740, WIRED J104534.46+315740.6, SDSS J104534.46+315740.6, LAMOST J104534.46+315740.6, Gaia DR3 737541576594654976, TIC 330797427, Ton 42, 2MASS J10453446+3157403, [HHD2009] SDSS J1045+3157, SDSS J104534.45+315740.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Guo et al. 2015 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 10 45 34.46 (0.5) 10 45 34.46 10 45 34.46 (0.5) 10 45 34.46 10 45 34.47 (0.5) 10 45 34.37 10 45 34.46
Declination 31 57 40.68 (0.4) 31 57 40.61 31 57 40.67 (0.5) 31 57 40.61 31 57 40.60 (0.4) 31 57 36.36 31 57 40.64
Spectral type DA+M DA+M DA+M DA+M DA.56 DA+M
Effective temperature [K] 68007.0 (2094) 74671.0 (2748) 11303.0 (104)
log(g) [cgs] 7.38 (0.1) 7.46 (0.1) 8.97 (0.08)
Mass [M] 0.5 (0.03) 0.56 (0.03)
log(Luminosity) [L] 1.03 (0.09)
Cooling age [Gyr] 0.0001
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] 1.98 (0.6) 2.28 (0.6) 1.98 (0.6)
Distance [pc] 506.02 (150) 439.46 (112) 379.00 (18) 506.02 (150)
Composition H
Proper motion (right ascension) [mas/yr] -8.406508229 (0.6) -16.375 (1) -8.407 (0.6)
Proper motion (declination) [mas/yr] 4.857786604 (0.6) 6.52 (0.9) 4.858 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS yes WDMS
B magnitude 16.00
V magnitude
R magnitude
I magnitude
J magnitude 15.71 (0.07)
H magnitude 15.24 (0.1)
K magnitude 15.05 (0.1)
u magnitude 16.45 (0.006) 16.45 16.45 (0.006) 16.45 16.46 (0.02)
g magnitude 16.81 (0.004) 16.84 16.81 (0.004) 16.83 16.85 (0.02)
r magnitude 17.08 (0.005) 17.09 17.08 (0.005) 17.08 17.10 (0.02)
i magnitude 16.96 (0.006) 16.98 16.96 (0.006) 16.97 16.99 (0.02)
z magnitude 16.79 (0.01) 16.80 16.79 (0.01) 16.79 16.80 (0.01)
G magnitude 17.03 (0.006) 16.93 17.03 (0.01)
BP magnitude 16.89 (0.006) 16.84
RP magnitude 16.61 (0.005) 16.61
Pan g magnitude 16.91 (0.008)
Pan r magnitude 17.11 (0.006)
Pan i magnitude 16.99 (0.003)
Pan z magnitude 16.86 (0.004)
Pan y magnitude 16.80 (0.01)
E(B-V) 0.021

* 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.