SDSS J011356.38+301514.6

All names: WISEA J011356.38+301515.0, EQ J0113+3015, WISE J011356.40+301515.2, Gaia EDR3 310054341933521664, SDSS J011356.38+301514.62, Gaia DR3 310054341933521664, Gaia DR2 310054341933521664, SDSS J011356.37+301514.8, SDSS J011356.38+301514.7, SDSS J011356.38+301514.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Koester & Kepler 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 01 13 56.39 (0.07) 01 13 56.39 01 13 56.39 (0.1) 01 13 56.39 01 13 56.38 (0.07)
Declination 30 15 14.63 (0.07) 30 15 14.79 30 15 14.64 (0.1) 30 15 14.63 30 15 15.12 (0.07)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 16786.0 14032.0 13592.0 32456.0 (218) 17453.0 (46) 13916.0 (295)
log(g) [cgs] 8.16 7.07 7.06 8.12 (0.02) 8.12 (0.03) 6.94 (0.03)
Mass [M] 0.69 0.236 0.231 0.6829999999999999 (0.01) 0.212 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 0.1110
log(H/He) -4.719 -4.13 (0.09)
log(C/He)
log(Ca/He) <-6.05
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] 3.45 (0.09) 3.80 (0.1) 3.45 3.45 (0.09)
Distance [pc] 289.55 (7) 263.25 (10) 161.00 289.55 289.55 (7)
Composition He
Proper motion (right ascension) [mas/yr] 13.53256573 (0.09) 14.24360572 (0.3) 13.533 (0.09)
Proper motion (declination) [mas/yr] -30.65953109 (0.08) -29.62958316 (0.3) -30.66 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.13 (0.009) 17.16 (0.02) 17.13 (0.009)
g magnitude 17.11 (0.004) 17.12 (0.01) 17.11 (0.004)
r magnitude 17.39 (0.005) 17.36 (0.01) 17.38 (0.005)
i magnitude 17.60 (0.007) 17.59 (0.02) 17.60 (0.007)
z magnitude 17.85 (0.02) 17.85 (0.02) 17.84 (0.02)
G magnitude 17.23 (0.007) 17.26 17.23 17.23 (0.003)
BP magnitude 17.19 (0.007) 17.17
RP magnitude 17.28 (0.01) 17.31
Pan g magnitude 17.16 (0.007)
Pan r magnitude 17.39 (0.004)
Pan i magnitude 17.62 (0.003)
Pan z magnitude 17.84 (0.005)
Pan y magnitude 17.99 (0.01)
E(B-V) 0.037

* 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.