SDSS J025555.87+352830.1

All names: Gaia DR2 140352487488116096, SDSS J025829.31+352815.17

Parameter Unit Pan-STARRS DR1 SDSS DR10 MWDD H MWDD HE Gaia DR2 Kepler et al. 2015
Right ascension 02 58 29.31 02 58 29.28 (0.4)
Declination 35 28 15.10 35 28 14.68 (0.3)
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)
E(B-V)

* Constant surface field

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Absorption lines

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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.