SDSS J115950.23+400143.8

All names: SDSS J115950.24+400143.8, SDSS J115950.24+400143.9, WD 1157+403, PSO J115950.232+400144.009, Gaia DR2 4034799308448094848, SDSS J115950.24+400143.89

Parameter Unit Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 11 59 50.23 (0.1) 11 59 50.24 11 59 50.23
Declination 40 01 43.88 (0.2) 40 01 43.90 40 01 44.11
Spectral type DB+M_known DB+M
Effective temperature [K] 19876.0 (1000)
log(g) [cgs] 6.50 (0.5)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.05 (0.3)
Distance [pc] 486.84 (63)
Composition
Proper motion (right ascension) [mas/yr] -1.6927396442 (0.2) -3.0
Proper motion (declination) [mas/yr] -0.8367020326 (0.3) -1.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.62
H magnitude 15.08
K magnitude 14.94
u magnitude 19.58 (0.03) 19.58 (0.03) 19.61
g magnitude 19.29 (0.01) 19.29 (0.01) 19.32
r magnitude 18.65 (0.01) 18.65 (0.009) 18.65
i magnitude 17.62 (0.01) 17.62 (0.007) 17.65
z magnitude 16.96 (0.01) 16.96 (0.01) 17.02
G magnitude 18.19
BP magnitude 19.05
RP magnitude 17.15
Pan g magnitude 19.25 (0.009)
Pan r magnitude 18.66 (0.01)
Pan i magnitude 17.61 (0.003)
Pan z magnitude 17.07 (0.004)
Pan y magnitude 16.82 (0.009)

* 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.