SDSS J155311.26+391401.9

All names: Gaia DR3 1376690335817181056, Gaia EDR3 1376690335817181056, SDSS J155311.26+391401.9, Gaia DR2 1376690331520837248, SDSS J155311.26+391401.90, GALEX J155311.2+391401

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 53 11.26 (0.5) 15 53 11.25 15 53 11.26 (0.7) 15 53 11.25 (0.5) 15 53 11.26
Declination 39 14 01.77 (0.9) 39 14 01.96 39 14 01.77 (1) 39 14 01.88 (0.9) 39 14 01.88
Spectral type DB DB DB DB
Effective temperature [K] 13183.0 14297.0 12566.0 14193.0 (500)
log(g) [cgs] 7.26 8.65 8.47 7.48 (0.3)
Mass [M] 0.275 1.003 0.886 0.334 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.6988
log(H/He) <-6.043
log(C/He)
log(Ca/He)
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] 1.40 (0.8) 2.37 (1) 1.40 (0.8)
Distance [pc] 712.76 (426) 422.19 (193) 712.76 (426)
Composition He
Proper motion (right ascension) [mas/yr] 2.962263596 (0.7) 2.075660651 (1) 2.962 (0.7)
Proper motion (declination) [mas/yr] -6.99630261 (1) -7.373560425 (2) -6.996 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.44 (0.06) 20.43 (0.06) 20.43 (0.06)
g magnitude 20.45 (0.02) 20.47 (0.03) 20.47 (0.03)
r magnitude 20.78 (0.04) 20.73 (0.04) 20.73 (0.04)
i magnitude 21.02 (0.08) 20.96 (0.06) 20.96 (0.06)
z magnitude 20.92 (0.3) 21.18 (0.2) 21.18 (0.2)
G magnitude 20.59 (0.07) 20.66 20.59 (0.009)
BP magnitude 20.39 (0.07) 20.22
RP magnitude 20.41 (0.1) 20.59
Pan g magnitude 20.48 (0.008)
Pan r magnitude 20.70 (0.02)
Pan i magnitude 20.94 (0.04)
Pan z magnitude 21.11 (0.04)
Pan y magnitude
E(B-V) 0.022

* 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.