WD 0340-243

All names: GALEX J034230.4-241115, WD 0340-243, UCAC3 132-9374, Gaia DR3 5085401880178564608, EC 03403-2420, GSC 06447-00572, 2MASS J03423055-2411157, CMC14 J034230.5-241115, USNO-B1.0 0658-00039202, Gaia DR2 5085401880178564608, UCAC2 21912351, PHL 1564, DENIS J034230.5-241115, EGGR 415, Gaia EDR3 5085401880178564608, Ton S 372, UCAC4 330-004178, TIC 89115567, PPMX J034230.5-241115

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 42 30.56 (0.02) 03 42 30.56 (0.02) 03 42 30.55 (0.02) 03 42 26.98
Declination -24 11 15.68 (0.02) -24 11 15.68 (0.03) -24 11 15.63 (0.02) -24 10 30.00
Spectral type sdO(+F) DAWK
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.62 (0.03) 0.83 (0.05) 0.61 (0.03)
Distance [pc] 1625.94 (85) 1200.91 (68) 1626.02 (85)
Composition
Proper motion (right ascension) [mas/yr] 2.405224785 (0.02) 2.523 (0.06) 2.405 (0.02)
Proper motion (declination) [mas/yr] -3.33987971 (0.03) -3.076 (0.07) -3.34 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.73 (0.02)
V magnitude 14.85 (0.02)
R magnitude 15.39 (0.1)
I magnitude 14.77 (0.05)
J magnitude 14.72 (0.04)
H magnitude 14.46 (0.05)
K magnitude 14.58 (0.1)
u magnitude
g magnitude 14.68 (0.05)
r magnitude 15.03 (0.02)
i magnitude 15.01 (0.01)
z magnitude
G magnitude 14.78 (0.001) 14.80 14.78 (0.003)
BP magnitude 14.71 (0.001) 14.65
RP magnitude 14.83 (0.001) 14.83
Pan g magnitude 14.74 (0.008)
Pan r magnitude 14.98 (0.003)
Pan i magnitude 15.17 (0.002)
Pan z magnitude 15.30 (0.003)
Pan y magnitude 15.37 (0.005)
E(B-V) 0.013

* 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.