WD 1139-230

All names: GALEX J114156.6-232057, WD 1139-230, Gaia DR3 3540018805367474816, TIC 219700573, Gaia DR2 3540018805367474816, WDJ114156.58-232057.16, Gaia EDR3 3540018805367474816, EC 11394-2304, 2MASS J11415659-2320574

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 41 56.58 (0.04) 11 41 56.58 (0.06) 11 41 56.58 11 41 56.58 (0.04) 11 41 56.58 11 41 56.35
Declination -23 20 57.17 (0.03) -23 20 57.17 (0.04) -23 20 57.17 -23 20 57.16 (0.03) -23 20 57.17 -23 20 56.76
Spectral type DA DA DA DA3.5 DA4
Effective temperature [K] 13341.0 14210.0 (308) 13417.0 (163)
log(g) [cgs] 7.98 8.01 (0.05) 8.00 (0.01)
Mass [M] 0.598 0.61 (0.03) 0.606 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.2724
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] 10.41 (0.06) 10.37 (0.09) 10.41 10.41 (0.06) 10.37 (0.09)
Distance [pc] 96.06 (0.5) 96.40 (0.8) 95.00 96.06 96.06 (0.5) 96.40 (0.8)
Composition H H
Proper motion (right ascension) [mas/yr] -2.840799684 (0.05) -2.973180683 (0.1) -2.841 (0.05) -2.973180683
Proper motion (declination) [mas/yr] -0.478911052 (0.04) -0.59648386 (0.09) -0.479 (0.04) -0.59648386
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.32
V magnitude 16.28
R magnitude
I magnitude
J magnitude 16.63 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.43 (0.004) 16.44 16.43 16.43 (0.003) 16.44
BP magnitude 16.42 (0.004) 16.41 16.41
RP magnitude 16.49 (0.004) 16.50 16.50
Pan g magnitude 16.31 (0.008)
Pan r magnitude 16.55 (0.004)
Pan i magnitude 16.80 (0.003)
Pan z magnitude 17.03 (0.007)
Pan y magnitude 17.16 (0.01)
E(B-V) 0.003

* 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.