WD 1135-001B

All names: SDSS J113748.30-002714.6, SDSS J113748.30-002714.7, PSO J113748.305+002714.603, Gaia DR2 3794254579793954688, SDSS J113748.31-002714.7, WIRED J113748.30-002714.6, WD 1135-001B, 2QZ J113748.2-002715

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Harris et al. 2003 SDSS DR12 Simbad Eisenstein et al. 2006 Eisenstein et al. 2006 Kleinman et al. 2013 Kleinman et al. 2013 Kleinman et al. 2013 Kleinman et al. 2004
Right ascension 11 37 48.30 (0.5) 11 37 48.31 11 37 48.31 11 37 48.31 11 37 48.31 11 37 48.30 11 37 48.30 11 37 48.31 11 37 48.30
Declination -00 27 14.83 (0.3) -00 27 14.67 -00 27 14.67 -00 27 14.67 -00 27 14.67 -00 27 14.67 -00 27 14.67 -00 27 14.67 -00 27 14.65
Spectral type DA4 DA4 DA DA DA DA DA DA
Effective temperature [K] 12849.0 16953.0 (348) 16907.0 (414) 17715.0 (430) 17616.0 (363) 17079.0 (284) 17021.0 (351)
log(g) [cgs] 7.00 7.93 (0.08) 7.62 (0.1) 7.74 (0.1) 8.06 (0.08) 7.90 (0.06) 7.97 (0.08)
Mass [M] 0.23399999999999999 0.5660000000000001 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1065
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] 1.35 (0.6)
Distance [pc] 739.93 (315)
Composition H
Proper motion (right ascension) [mas/yr] -6.350577978 (1) 0.0 -11.1 -11.1 -10.0
Proper motion (declination) [mas/yr] -9.701976166 (0.6) 1.0 -8.6 -8.6 -11.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.44
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude 19.15
K magnitude
u magnitude 19.60 19.54 (0.03) 19.58 19.60 (0.03) 19.60 (0.03) 19.61 (0.03) 19.61 (0.03) 19.61 (0.03) 19.60 (0.03)
g magnitude 19.35 19.32 (0.01) 19.32 19.34 (0.03) 19.34 (0.03) 19.33 (0.03) 19.33 (0.03) 19.33 (0.03) 19.35 (0.03)
r magnitude 19.64 19.64 (0.02) 19.65 19.64 (0.02) 19.64 (0.02) 19.63 (0.02) 19.63 (0.02) 19.63 (0.02) 19.64 (0.02)
i magnitude 19.93 19.93 (0.02) 19.93 19.93 (0.03) 19.93 (0.03) 19.93 (0.03) 19.93 (0.03) 19.93 (0.03) 19.93 (0.03)
z magnitude 20.03 20.10 (0.1) 20.06 20.06 (0.1) 20.06 (0.1) 20.06 (0.1) 20.06 (0.1) 20.06 (0.1) 20.03 (0.1)
G magnitude 19.58
BP magnitude 19.37
RP magnitude 19.39
Pan g magnitude 19.34 (0.01)
Pan r magnitude 19.68 (0.01)
Pan i magnitude 19.87 (0.04)
Pan z magnitude 20.12 (0.05)
Pan y magnitude 19.89 (0.08)

* 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.