SDSS J001601.42+260217.9

All names: SDSS J001601.42+260217.9, SDSS J001601.43+260217.67, GALEX J001601.4+260218, Gaia EDR3 2850408445319833344, SDSS J001601.43+260217.8, Gaia DR3 2850408445319833344, Gaia DR2 2850408445319833344, SDSS J001601.43+260217.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 00 16 01.44 (0.05) 00 16 01.44 00 16 01.44 (0.08) 00 16 01.44 00 16 01.43 (0.05)
Declination 26 02 17.68 (0.05) 26 02 17.85 26 02 17.69 (0.06) 26 02 17.68 26 02 18.07 (0.05)
Spectral type DO DO DO DO DO DO
Effective temperature [K] 93153.0 (4152) 27488.0 100000.0 (10000) 94679.0 (8415)
log(g) [cgs] 8.09 (0.1) 6.54 7.50 (0.5) 7.41 (0.07)
Mass [M] 0.75 (0.06) 0.235 0.523 (0.03)
log(Luminosity) [L] 1.05 (0.1)
Cooling age [Gyr] 0.0003 (0.0001)
log(H/He)
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] 1.37 (0.07) 1.48 (0.1) 1.37 1.37 (0.07)
Distance [pc] 731.35 (38) 675.29 (45) 731.35 731.37 (38)
Composition He
Proper motion (right ascension) [mas/yr] 10.02611143 (0.08) 9.951068397 (0.2) 10.026 (0.08)
Proper motion (declination) [mas/yr] -24.55361466 (0.06) -24.68497452 (0.1) -24.554 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.03 (0.006) 16.04 (0.02) 16.04 (0.006)
g magnitude 16.48 (0.004) 16.50 (0.02) 16.48 (0.004)
r magnitude 17.00 (0.004) 17.00 (0.02) 17.00 (0.004)
i magnitude 17.34 (0.006) 17.35 (0.02) 17.34 (0.006)
z magnitude 17.62 (0.02) 17.62 (0.02) 17.61 (0.02)
G magnitude 16.73 (0.005) 16.77 16.73 16.73 (0.003)
BP magnitude 16.57 (0.005) 16.51
RP magnitude 17.06 (0.008) 17.06
Pan g magnitude 16.55 (0.005)
Pan r magnitude 17.02 (0.004)
Pan i magnitude 17.38 (0.005)
Pan z magnitude 17.66 (0.003)
Pan y magnitude 17.81 (0.009)
E(B-V) 0.056

* 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.