SDSS J025829.31+352815.1

All names: PSO J025829.290+352814.863, SDSS J025829.31+352815.17, Gaia DR2 140389016185197568

Parameter Unit MWDD H MWDD HE Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10
Right ascension 02 58 29.28 (0.4) 02 58 29.31
Declination 35 28 14.68 (0.3) 35 28 15.10
Spectral type DC DC DC
Effective temperature [K] 9274.0 9179.0 8304.0 (1000)
log(g) [cgs] 8.04 7.98 6.66 (0.5)
Mass [M☉] 0.624 0.565
log(Luminosity) [L☉]
Cooling age [Gyr] 0.7795 0.7538
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.93 (0.6)
Distance [pc] 202.91 (23)
Composition
Proper motion (right ascension) [mas/yr] -37.72340377 (0.6)
Proper motion (declination) [mas/yr] -47.51803105 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.26 (0.03) 19.26 (0.03)
g magnitude 19.08 (0.01) 19.08 (0.01)
r magnitude 19.07 (0.01) 19.07 (0.01)
i magnitude 19.21 (0.02) 19.21 (0.02)
z magnitude 19.29 (0.06) 19.29 (0.06)
G magnitude 19.05
BP magnitude 19.06
RP magnitude 18.95
Pan g magnitude 19.06 (0.007)
Pan r magnitude 19.09 (0.007)
Pan i magnitude 19.22 (0.02)
Pan z magnitude 19.34 (0.02)
Pan y magnitude 19.37 (0.06)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.