SB 702

All names: uvby98 620021702, GALEX J014251.1-385904, Gaia DR2 4962193390308361728, Gaia EDR3 4962193390308361728, WDJ014251.02-385906.76, USNO-B1.0 0510-00015448, WD 0140-392, CSI-39-01407, Gaia DR3 4962193390308361728, 2MASS J01425102-3859067, WD0140-392, SB 702, MCT 0140-3914, EC 01406-3914, TIC 115273655

Parameter Unit Gaia EDR3 Bergeron et al. 2021 Gaia DR2 Stilism Koester et al. 2014 Gianninas et al. 2011 Koester et al. 2009 Koester et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 42 51.19 (0.02) 01 42 51.19 (0.02) 01 42 51.00 01 42 51.19 01 42 51.02 (0.02) 01 42 51.19 01 42 50.42
Declination -38 59 05.55 (0.02) -38 59 05.58 (0.03) -38 59 07.00 -38 59 05.55 -38 59 06.76 (0.02) -38 59 05.58 -38 59 06.72
Spectral type DA DA DA DA DA2.1 DA2
Effective temperature [K] 23724.0 (535) 23174.0 (315) 24430.0 (376) 21811.0 (24) 22169.0 (107) 22734.0 (167)
log(g) [cgs] 8.19 (0.07) 7.98 (0.09) 7.93 (0.05) 7.92 (0.004) 7.92 (0.01) 7.97 (0.006)
Mass [M] 0.744 (0.04) 0.622 (0.05) 0.6 (0.03) 0.59 0.616 (0.005)
log(Luminosity) [L]
Cooling age [Gyr] 0.0496
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H) <-8.40
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H) -7.5 (0.1)
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] 17.14 (0.03) 17.08 (0.04) 17.14 17.14 (0.03) 17.08 (0.04)
Distance [pc] 58.34 (0.1) 58.00 58.53 (0.1) 65.00 58.34 58.34 (0.1) 58.53 (0.1)
Composition H H
Proper motion (right ascension) [mas/yr] 129.7626826 (0.02) 129.802406 (0.04) 129.763 (0.02) 129.802406
Proper motion (declination) [mas/yr] 75.8902332 (0.02) 75.86061546 (0.05) 75.89 (0.02) 75.86061546
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.30
V magnitude 14.35 (0.03) 14.37 14.37 14.40
R magnitude 23.70
I magnitude
J magnitude 14.87 (0.04)
H magnitude 14.97 (0.06)
K magnitude 15.01 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.35 (0.0008) 14.36 14.35 14.35 (0.003) 14.36
BP magnitude 14.25 (0.0008) 14.21 14.21
RP magnitude 14.56 (0.0007) 14.55 14.55
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.001

* 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.