UM 610

All names: SDSS J134545.23-000641.6, SDSS J134545.23-000641.7, UM 610, PSO J134545.228+000641.718, Gaia DR2 3662310268178436736, SDSS J134545.23-000641.65

Parameter Unit Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 13 45 45.23 (0.1) 13 45 45.23 13 45 45.23
Declination -00 06 41.78 (0.1) -00 06 41.68 -00 06 41.68
Spectral type He-sdB sdBHe
Effective temperature [K] 34711.0 (287)
log(g) [cgs] 5.00 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.26 (0.1)
Distance [pc] 3821.48 (2140)
Composition
Proper motion (right ascension) [mas/yr] -2.3697034992 (0.3) 0.0
Proper motion (declination) [mas/yr] -9.3672255651 (0.2) 1.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.22
V magnitude 17.67
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.42 (0.01) 17.41 (0.01) 17.41
g magnitude 17.58 (0.02) 17.57 (0.005) 17.57
r magnitude 17.81 (0.01) 17.80 (0.006) 17.80
i magnitude 17.93 (0.02) 17.94 (0.008) 17.93
z magnitude 18.02 (0.03) 18.01 (0.02) 18.06
G magnitude 17.67
BP magnitude 17.61
RP magnitude 17.61
Pan g magnitude 17.60 (0.005)
Pan r magnitude 17.79 (0.002)
Pan i magnitude 17.94 (0.007)
Pan z magnitude 18.12 (0.02)
Pan y magnitude 18.16 (0.02)

* 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.