WD 1134-001

All names: UM 440, SDSS J113725.15-002259.0, SDSS J113725.15-002259.2, LBQS 1134-0006, SDSS J113725.16-002259.2, SDSS J113725.16-002259.0, WD 1134-001, Gaia EDR3 3794255335708201984, LEDA 35980, SDSS J113725.15-002259.3, SDSS J113725.15-002259.1, Gaia DR2 3794255335708201984, Gaia DR3 3794255335708201984

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Harris et al. 2003 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 11 37 25.16 (0.1) 11 37 25.16 11 37 25.16 (0.2) 11 37 25.16 11 37 25.16 (0.1) 11 37 25.15 11 37 24.72 11 37 25.16 11 37 25.16
Declination -00 22 59.58 (0.1) -00 22 59.30 -00 22 59.56 (0.1) -00 22 59.58 -00 22 59.13 (0.1) -00 22 59.10 -00 22 54.84 -00 22 59.05 -00 22 59.05
Spectral type DA DA DA6 DA DA6 DA DA5.8 DA DA
Effective temperature [K] 8004.0 8400.0 (50) 8537.0 (222) 8553.0 (33) 8261.0 (46) 8621.0 (29)
log(g) [cgs] 7.93 8.29 (0.07) 8.09 (0.05) 8.35 (0.07) 8.01 (0.08) 8.48 (0.05)
Mass [M] 0.557 0.78 (0.05) 0.651 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.9800 1.5136
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] 9.72 (0.2) 9.61 (0.2) 9.72 9.72 (0.2)
Distance [pc] 102.89 (2) 104.10 (2) 102.89 102.89 (2)
Composition H H
Proper motion (right ascension) [mas/yr] 5.130634272 (0.2) 5.09245314 (0.4) 5.131 (0.2) 5.2 7.0
Proper motion (declination) [mas/yr] -27.64711245 (0.1) -27.86897044 (0.2) -27.647 (0.1) -23.7 -25.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00
V magnitude
R magnitude
I magnitude
J magnitude 17.52 (0.03)
H magnitude 17.52 (0.07)
K magnitude 17.50 (0.1)
u magnitude 18.40 (0.02) 18.51 18.40 (0.02) 18.47 (0.02) 18.52 18.46 (0.02) 18.52 (0.03)
g magnitude 18.00 (0.006) 18.03 18.00 (0.006) 18.03 (0.03) 18.03 18.02 (0.03) 18.03 (0.03)
r magnitude 17.98 (0.007) 18.03 17.98 (0.007) 18.03 (0.03) 18.04 18.03 (0.03) 18.04 (0.03)
i magnitude 18.00 (0.008) 18.00 18.00 (0.008) 18.00 (0.02) 18.00 18.01 (0.02) 18.00 (0.01)
z magnitude 18.11 (0.02) 18.11 18.11 (0.02) 18.11 (0.04) 18.12 18.12 (0.04) 18.12 (0.04)
G magnitude 17.91 (0.01) 17.94 17.91 17.91 (0.003)
BP magnitude 18.02 (0.01) 18.01
RP magnitude 17.71 (0.01) 17.66
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.007

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.