SDSS J131816.55+485741.2

All names: SDSS J131816.55+485741.2, Gaia DR2 1556040915897566208, PSO J131816.557+485741.248

Parameter Unit Pan-STARRS DR1 Gaia DR2 SDSS DR12 Simbad Eisenstein et al. 2006
Right ascension 13 18 16.55 (0.2) 13 18 16.55 13 18 16.55 13 18 16.55
Declination 48 57 41.24 (0.2) 48 57 41.25 48 57 41.29 48 57 41.29
Spectral type sdO SDO:
Effective temperature [K] 87652.0 (9909)
log(g) [cgs] 5.23 (0.3)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.08 (0.4)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -2.037424557 (0.5) 1.0 (4) 2.1
Proper motion (declination) [mas/yr] -2.647228392 (0.5) -1.0 (4) -1.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.73 (0.02) 18.70 (0.02) 18.68 (0.02)
g magnitude 19.16 (0.01) 19.12 (0.01) 19.11 (0.03)
r magnitude 19.68 (0.02) 19.67 (0.02) 19.67 (0.03)
i magnitude 20.06 (0.03) 20.04 (0.03) 20.03 (0.04)
z magnitude 20.23 (0.1) 20.21 (0.1) 20.19 (0.1)
G magnitude 19.49
BP magnitude 19.16
RP magnitude 19.80
Pan g magnitude 19.25 (0.01)
Pan r magnitude 19.71 (0.007)
Pan i magnitude 20.10 (0.01)
Pan z magnitude 20.30 (0.04)
Pan y magnitude 19.88 (0.2)

* 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.