All names: Gaia DR3 765113690382156160, SDSS J111650.44+393914.3, SDSS J111650.46+393914.3, CBS 427, SDSS J111650.46+393914.2, GALEX J111650.4+393914, Gaia EDR3 765113690382156160, SDSS J111650.46+393914.29, Gaia DR2 765113690382156160, SDSSJ111650.45+393914.2
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 11 16 50.46 (0.06) | 11 16 50.45 | 11 16 50.45 | 11 16 50.46 (0.08) | 11 16 50.45 (0.06) | ||||
Declination | 39 39 14.29 (0.1) | 39 39 14.37 | 39 39 14.20 | 39 39 14.29 (0.2) | 39 39 14.42 (0.1) | ||||
Spectral type | sdOB | He-sdB | sdBHe | ||||||
Effective temperature | [K] | 36520.0 (857) | 35294.0 (272) | ||||||
log(g) | [cgs] | 5.90 (0.1) | 5.52 (0.04) | ||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.20 (0.09) | 0.19 (0.2) | 0.19 (0.2) | 0.20 (0.09) | ||||
Distance | [pc] | 5026.96 (2302) | 5385.03 (4411) | 5385.79 (4412) | 5027.65 (2303) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | 5.266254823 (0.07) | 5.166 (0.1) | 5.16645522 (0.1) | 5.266 (0.07) | ||||
Proper motion (declination) | [mas/yr] | -8.228257838 (0.1) | -7.608 (0.2) | -7.607887288 (0.2) | -8.228 (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 | 16.54 (0.006) | 16.54 (0.006) | 16.52 (0.03) | 16.54 (0.006) | |||||
g magnitude | 16.88 (0.004) | 16.88 (0.004) | 16.90 (0.02) | 16.88 (0.004) | |||||
r magnitude | 17.40 (0.005) | 17.40 (0.005) | 17.41 (0.01) | 17.40 (0.005) | |||||
i magnitude | 17.76 (0.007) | 17.76 (0.007) | 17.75 (0.02) | 17.76 (0.007) | |||||
z magnitude | 18.11 (0.02) | 18.11 (0.02) | 18.12 (0.03) | 18.11 (0.02) | |||||
G magnitude | 17.14 (0.006) | 17.17 (0.002) | 17.17 | 17.14 (0.003) | |||||
BP magnitude | 16.99 (0.006) | 16.89 (0.02) | 16.89 | ||||||
RP magnitude | 17.47 (0.01) | 17.43 (0.01) | 17.43 | ||||||
Pan g magnitude | 16.94 (0.003) | 16.94 (0.003) | |||||||
Pan r magnitude | 17.41 (0.004) | 17.41 (0.004) | |||||||
Pan i magnitude | 17.79 (0.005) | 17.79 (0.005) | |||||||
Pan z magnitude | 18.07 (0.005) | 18.07 (0.005) | |||||||
Pan y magnitude | 18.25 (0.02) | 18.25 (0.02) | |||||||
E(B-V) | 0.016 |
* Constant surface field
Spectra without link are available upon request
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.