WD 1152+320

All names: SDSS J115503.65+314825.7, Gaia DR3 4027359845271139328, LAMOST J115503.66+314825.7, Gaia DR2 4027359845271139328, Gaia EDR3 4027359845271139328, SDSS J115503.66+314825.80, GALEX J115503.7+314825, WD 1152+320, SDSS J115503.66+314825.7, CBS 49, SDSS J115503.66+314825.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 55 03.66 (0.09) 11 55 03.65 11 55 03.66 (0.2) 11 55 03.66 11 55 03.65 (0.09) 11 55 02.88 11 55 03.66
Declination 31 48 25.75 (0.08) 31 48 25.72 31 48 25.75 (0.1) 31 48 25.75 31 48 25.69 (0.08) 31 48 24.48 31 48 25.75
Spectral type DBH: DB DB DB DBH: DB
Effective temperature [K] 15668.0 17015.0 14587.0 16134.0 (89) 14518.0 (560) 16337.0 (111)
log(g) [cgs] 7.62 8.13 7.92 7.96 (0.07) 7.84 (0.06) 8.16 (0.07)
Mass [M] 0.401 0.671 0.542 0.501 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.1903
log(H/He) -6.195 <-5.29
log(C/He)
log(Ca/He) <-6.95
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] 4.34 (0.1) 4.49 (0.2) 4.34 4.34 (0.1)
Distance [pc] 230.55 (6) 222.60 (9) 234.00 230.55 230.55 (6)
Composition He
Proper motion (right ascension) [mas/yr] 7.662619893 (0.09) 6.783866427 (0.3) 7.663 (0.09)
Proper motion (declination) [mas/yr] 3.41010829 (0.09) 3.39777037 (0.3) 3.41 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.70 (0.01) 17.70 (0.01) 17.71 (0.03)
g magnitude 17.78 (0.006) 17.78 (0.006) 17.81 (0.02)
r magnitude 18.08 (0.007) 18.08 (0.007) 18.10 (0.02)
i magnitude 18.34 (0.01) 18.34 (0.01) 18.35 (0.02)
z magnitude 18.63 (0.03) 18.63 (0.03) 18.64 (0.04)
G magnitude 17.93 (0.009) 17.97 17.93 17.93 (0.003)
BP magnitude 17.89 (0.009) 17.84
RP magnitude 18.04 (0.01) 18.07
Pan g magnitude 17.86 (0.005)
Pan r magnitude 18.09 (0.005)
Pan i magnitude 18.36 (0.01)
Pan z magnitude 18.59 (0.005)
Pan y magnitude 18.73 (0.01)
E(B-V) 0.016

* Constant surface field

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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.