WD 1124-296

All names: Gaia DR2 4864752883148064512, Ruiz 439-80, WD 1124-293, ESO 439-80, WD1124-293, PSO J112709.451-294014.300, EC 11246-2923, 2MASS J11270925-2940112, WD 1124-296, WDJ112709.25-294011.20, USNO-B1.0 0603-00264376

Parameter Unit Pan-STARRS DR1 Gaia DR2 Subasavage et al. 2017 Gianninas et al. 2011 Koester et al. 2009 Farihi et al. 2008 Jura et al. 2007 Koester et al. 2005 Zuckerman et al. 2003 Koester et al. 2001 Bergeron et al. 2001 Bergeron et al. 1997 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 27 09.50 (0.03) 11 27 09.25 11 27 09.30 11 27 09.26 11 27 09.50 11 27 08.14
Declination -29 40 15.38 (0.03) -29 40 01.02 -29 40 12.00 -29 40 11.32 -29 40 15.38 -29 40 07.32
Spectral type DAZ DA DAZ DAZ DA DA DA5.3 DA5
Effective temperature [K] 9150.0 (220) 9490.0 (135) 9397.0 (6) 9680.0 9700.0 9680.0 9553.0 (11) 9440.0 (250) 9680.0 (280)
log(g) [cgs] 7.99 (0.06) 8.17 (0.05) 8.10 (0.007) 8.10 8.00 8.04 (0.02) 7.10 (0.1) 8.00 (0)
Mass [M] 0.59 (0.05) 0.7 (0.03) 0.63 0.23 (0.03) 0.6
log(Luminosity) [L] -2.98 (0.07) -2.43 (0.1) -2.88
Cooling age [Gyr] 0.7500 (0.09) 0.3000 (0.04) 0.7000
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) -8.53 -8.5 -8.533
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] 29.68 (0.05) 31.00 (2) 16.40 (2) 29.68 (0.05) 16.40 (2)
Distance [pc] 33.69 (0.06) 32.26 (2) 30.00 34.00 60.98 (6) 33.69 (0.06) 60.98 (7)
Composition H H H H H H
Proper motion (right ascension) [mas/yr] 208.0140325 (0.07) 218.0 208.0140325
Proper motion (declination) [mas/yr] -269.6346435 (0.06) -271.0 -269.6346435
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity DDu
B magnitude 15.23 15.02
V magnitude 15.04 15.02 15.02 15.02 15.02 15.02 15.02
R magnitude 14.93 14.95 14.95 14.80
I magnitude 14.81 14.76 14.76
J magnitude 14.78 (0.03) 14.90 14.90 14.78
H magnitude 14.71 (0.04) 14.88 14.88 14.71
K magnitude 14.60 (0.09) 14.80 14.80 14.60
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.01 15.01
BP magnitude 15.07 15.07
RP magnitude 14.87 14.87
Pan g magnitude 15.06 (0.002)
Pan r magnitude 15.07 (0.002)
Pan i magnitude 15.19 (0.001)
Pan z magnitude 15.33 (0.003)
Pan y magnitude 15.41 (0.005)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.