Ton 626

All names: USNO-B1.0 1191-00202493, Gaia DR3 4011093842048361216, SDSS J123747.53+290822.2, GALEX J123747.5+290822, Gaia DR2 4011093842048361216, KUV 12353+2925, WD 1235+294, Gaia EDR3 4011093842048361216, SDSS J123747.53+290822.1, CSO 154, SDSS J123747.56+290821.9, GSC2.3 N5AI004031, WD 1235+321, LAMOST J123747.53+290822.1, Ton 626

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 37 47.58 (0.07) 12 37 47.53 12 37 47.58 (0.1) 12 37 47.58 12 37 47.52 (0.07) 12 37 47.81 12 37 47.53
Declination 29 08 21.84 (0.06) 29 08 22.12 29 08 21.85 (0.08) 29 08 21.84 29 08 22.17 (0.06) 29 08 18.60 29 08 22.19
Spectral type DA DA DA DA2.6 DA DA DA
Effective temperature [K] 17266.0 19400.0 (358) 18852.0 (616) 19520.0 (129)
log(g) [cgs] 7.74 7.95 (0.06) 7.85 (0.04) 7.91 (0.02)
Mass [M] 0.48 0.59 (0.03) 0.54 (0.03) 0.577 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.0753
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] 4.97 (0.1) 4.92 (0.2) 4.97 4.97 (0.1)
Distance [pc] 201.36 (4) 203.08 (7) 141.00 201.36 201.36 (4)
Composition H H
Proper motion (right ascension) [mas/yr] 47.76018765 (0.08) 47.62467818 (0.2) 47.76 (0.08)
Proper motion (declination) [mas/yr] -20.81277751 (0.1) -20.81185753 (0.1) -20.813 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.40
V magnitude 17.29
R magnitude 17.40
I magnitude 17.39 (0.4)
J magnitude
H magnitude
K magnitude
u magnitude 17.08 (0.008) 17.09 (0.008) 17.13 (0.02)
g magnitude 17.00 (0.004) 17.00 (0.004) 17.05 (0.03)
r magnitude 17.38 (0.005) 17.38 (0.005) 17.37 (0.02)
i magnitude 17.67 (0.007) 17.68 (0.007) 17.69 (0.01)
z magnitude 17.97 (0.02) 17.97 (0.02) 17.98 (0.03)
G magnitude 17.20 (0.006) 17.22 17.20 17.20 (0.003)
BP magnitude 17.14 (0.006) 17.11
RP magnitude 17.38 (0.01) 17.38
Pan g magnitude 17.06 (0.005)
Pan r magnitude 17.38 (0.006)
Pan i magnitude 17.68 (0.005)
Pan z magnitude 17.93 (0.005)
Pan y magnitude 18.10 (0.01)
E(B-V) 0.009

* 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.