SDSS J113153.32+481852.2

All names: SDSS J113153.32+481852.2, WD 1129+485, Gaia DR3 788942512551672576, LAMOST J113153.31+481852.2, GALEX J113153.3+481852, SDSS J113153.32+481852.30, SDSS J113153.32+481852.3, Gaia DR2 788942512551672576, Gaia EDR3 788942512551672576

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Guo et al. 2015 Koester & Kepler 2015 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 31 53.28 (0.04) 11 31 53.32 11 31 53.28 (0.08) 11 31 53.28 11 31 53.34 (0.04) 11 31 53.32 11 31 53.42 11 31 53.32
Declination 48 18 53.06 (0.06) 48 18 52.30 48 18 53.04 (0.09) 48 18 53.06 48 18 52.16 (0.06) 48 18 52.28 48 18 50.40 48 18 52.26
Spectral type DB DB? DB DB DB DB DBH: DB
Effective temperature [K] 18474.0 17235.0 17296.0 18180.0 (62) 18477.0 (615) 18441.0 (108) 18234.0 (132)
log(g) [cgs] 8.12 7.90 7.91 7.97 (0.02) 8.00 (0.04) 8.14 (0.04) 8.04 (0.04)
Mass [M] 0.666 0.536 0.543 0.595 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1035
log(H/He) <-5.75 <-5.02
log(C/He)
log(Ca/He) <-5.44
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 5.42 (0.08) 5.39 (0.1) 5.42 5.42 (0.08)
Distance [pc] 184.43 (3) 185.44 (4) 184.00 184.43 184.43 (3)
Composition He
Proper motion (right ascension) [mas/yr] -36.51857787 (0.04) -36.60510903 (0.1) -36.519 (0.04) -36.0
Proper motion (declination) [mas/yr] 56.40033148 (0.07) 56.38364524 (0.2) 56.4 (0.07) 56.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.89 (0.007) 16.89 (0.007) 16.87 (0.02) 16.86 16.89 (0.02)
g magnitude 16.99 (0.004) 17.00 (0.004) 17.01 (0.03) 17.00 17.04 (0.03)
r magnitude 17.33 (0.005) 17.33 (0.005) 17.32 (0.01) 17.31 17.34 (0.01)
i magnitude 17.59 (0.006) 17.59 (0.006) 17.57 (0.02) 17.56 17.58 (0.02)
z magnitude 17.86 (0.02) 17.86 (0.02) 17.84 (0.02) 17.83 17.86 (0.02)
G magnitude 17.14 (0.004) 17.15 17.14 17.14 (0.003)
BP magnitude 17.05 (0.004) 17.02
RP magnitude 17.28 (0.007) 17.27
Pan g magnitude 17.02 (0.005)
Pan r magnitude 17.32 (0.002)
Pan i magnitude 17.60 (0.004)
Pan z magnitude 17.83 (0.01)
Pan y magnitude 18.02 (0.009)
E(B-V) 0.013

* 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.