WD 1135-001A

All names: SDSS J113748.30-002714.7, SDSS J113748.30-002714.6, SDSS J113748.31-002714.7, WIRED J113748.30-002714.6, WD 1135-001.1, Gaia DR2 3794250972021745920, LBQS 1135-0010, WD 1135-001, SDSS J113738.38-002721.7, SDSS J113738.37-002721.6, WD 1135-001A, PSO J113738.293+002720.625, 2QZ J113748.2-002715, SDSS J113738.37-002721.7

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Tremblay et al. 2011 Harris et al. 2003 SDSS DR12 Simbad Eisenstein et al. 2006 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2013 Kleinman et al. 2013 Kleinman et al. 2004
Right ascension 11 37 38.27 (0.2) 11 37 38.37 11 37 38.37 11 37 38.37 11 37 38.37 11 37 37.70 11 37 47.71 11 37 38.37 11 37 38.37 11 37 38.37 11 37 38.37
Declination -00 27 20.67 (0.1) -00 27 21.67 -00 27 21.66 -00 27 21.66 -00 27 21.66 -00 27 19.08 -00 27 12.96 -00 27 21.69 -00 27 21.69 -00 27 21.66 -00 27 21.71
Spectral type DA DA DA4 DA DA DA DA5.7 DA3.0 DA DA DA
Effective temperature [K] 8500.0 8580.0 (50) 8739.0 (30) 8780.0 (40) 8601.0 (44) 8449.0 (35) 8489.0 (33) 8825.0 (28)
log(g) [cgs] 8.00 8.37 (0.07) 8.36 (0.06) 8.17 (0.07) 8.05 (0.07) 8.14 (0.05) 8.12 (0.08) 8.49 (0.04)
Mass [M] 0.593 0.83 (0.04) 0.665 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.9106 1.7378
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] 9.43 (0.2)
Distance [pc] 106.07 (2)
Composition H H
Proper motion (right ascension) [mas/yr] -93.36288567 (0.4) -92.0 -88.1 -88.1 -87.0
Proper motion (declination) [mas/yr] 60.50314953 (0.2) 58.0 60.0 60.0 58.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.42
H magnitude 17.44
K magnitude 17.49
u magnitude 18.32 18.35 (0.01) 18.33 18.33 (0.02) 18.33 (0.02) 18.32 19.60 18.33 (0.02) 18.33 (0.02) 18.33 (0.02) 18.32 (0.03)
g magnitude 17.96 17.93 (0.006) 17.95 17.96 (0.03) 17.96 (0.03) 17.96 19.35 17.95 (0.03) 17.95 (0.03) 17.95 (0.03) 17.96 (0.03)
r magnitude 17.89 17.90 (0.006) 17.89 17.89 (0.02) 17.89 (0.02) 17.89 19.64 17.88 (0.02) 17.88 (0.02) 17.88 (0.02) 17.89 (0.02)
i magnitude 17.95 17.96 (0.007) 17.96 17.96 (0.01) 17.96 (0.01) 17.96 19.93 17.96 (0.01) 17.96 (0.01) 17.96 (0.01) 17.96 (0.01)
z magnitude 18.03 18.05 (0.02) 18.04 18.03 (0.03) 18.03 (0.03) 18.04 20.03 18.04 (0.03) 18.04 (0.03) 18.04 (0.03) 18.04 (0.03)
G magnitude 17.88
BP magnitude 17.97
RP magnitude 17.65
Pan g magnitude 17.92 (0.006)
Pan r magnitude 17.92 (0.006)
Pan i magnitude 17.98 (0.008)
Pan z magnitude 18.08 (0.01)
Pan y magnitude 18.15 (0.01)

* 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.