SDSS J115059.68+163139.5

All names: Gaia DR2 3926312214122239360, GALEX J115059.6+163140, SDSSJ115059.67+163139.4, SDSS J115059.68+163139.4, SDSS J115059.68+163139.5, SDSS J115059.68+163139.43, Gaia DR3 3926312214122239360, Gaia EDR3 3926312214122239360

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Geier 2020 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 11 50 59.68 (0.1) 11 50 59.69 11 50 59.67 11 50 59.68 (0.2) 11 50 59.69 (0.1)
Declination 16 31 39.25 (0.09) 16 31 39.53 16 31 39.40 16 31 39.26 (0.1) 16 31 39.56 (0.09)
Spectral type sdO He-sdO sdOHe
Effective temperature [K] 46141.0 (2588) 52391.0 (1416)
log(g) [cgs] 5.75 (0.2) 5.69 (0.09)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.59 (0.1) 0.29 (0.3) 0.29 (0.3) 0.59 (0.1)
Distance [pc] 1705.84 (396) 3477.05 (3481) 3476.65 (3480) 1705.90 (396)
Composition
Proper motion (right ascension) [mas/yr] -9.071341216 (0.1) -8.98 (0.3) -8.980106276 (0.3) -9.071 (0.1)
Proper motion (declination) [mas/yr] -18.96378301 (0.1) -18.669 (0.3) -18.66935602 (0.3) -18.964 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.92 (0.008) 16.92 (0.008) 16.97 (0.02) 16.92 (0.008)
g magnitude 17.32 (0.005) 17.32 (0.005) 17.36 (0.02) 17.32 (0.005)
r magnitude 17.87 (0.007) 17.87 (0.007) 17.88 (0.02) 17.87 (0.007)
i magnitude 18.23 (0.009) 18.23 (0.009) 18.24 (0.03) 18.23 (0.009)
z magnitude 18.53 (0.03) 18.53 (0.03) 18.56 (0.03) 18.53 (0.03)
G magnitude 17.59 (0.01) 17.63 (0.002) 17.63 17.59 (0.003)
BP magnitude 17.43 (0.01) 17.34 (0.04) 17.34
RP magnitude 17.92 (0.02) 17.90 (0.02) 17.90
Pan g magnitude 17.42 (0.007) 17.43 (0.007)
Pan r magnitude 17.85 (0.005) 17.85 (0.005)
Pan i magnitude 18.23 (0.007) 18.23 (0.007)
Pan z magnitude 18.58 (0.06) 18.58 (0.06)
Pan y magnitude 18.71 (0.01) 18.71 (0.01)
E(B-V) 0.021

* Constant surface field

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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.