All names: GALEX J170610.5+463143, TIC 198588811, Gaia DR3 1359746036999738496, UCAC4 683-060489, WISE J170610.59+463143.4, PG1704+466, Gaia DR2 1359746036999738496, PG 1704+466, SDSS J170610.60+463143.2, WISEA J170610.55+463143.0, 2MASS J17061064+4631434, USNO-B1.0 1365-00271133
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 17 06 10.60 | 17 06 10.60 (0.03) | ||
Declination | 46 31 43.46 | 46 31 43.19 (0.04) | ||
Spectral type | He-sdO | sdOC | ||
Effective temperature | [K] | |||
log(g) | [cgs] | |||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.31 (0.05) | 0.28 (0.04) | |
Distance | [pc] | 3186.74 (518) | 3542.33 (461) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 0.102 (0.1) | 0.418 (0.04) | |
Proper motion (declination) | [mas/yr] | -5.992 (0.1) | -5.828 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.60 | |||
V magnitude | ||||
R magnitude | 16.30 (0.5) | |||
I magnitude | ||||
J magnitude | 16.66 (0.1) | 16.66 (0.1) | ||
H magnitude | 16.51 (0.3) | 16.51 (0.3) | ||
K magnitude | 15.68 | |||
u magnitude | 15.41 (0.005) | |||
g magnitude | 15.79 (0.004) | |||
r magnitude | 16.29 (0.004) | |||
i magnitude | 16.64 (0.005) | |||
z magnitude | 16.91 (0.01) | |||
G magnitude | 16.07 (0.002) | 16.04 (0.003) | ||
BP magnitude | 15.82 (0.007) | |||
RP magnitude | 16.33 (0.005) | |||
Pan g magnitude | 15.88 (0.002) | |||
Pan r magnitude | 16.31 (0.002) | |||
Pan i magnitude | 16.66 (0.003) | |||
Pan z magnitude | 16.94 (0.006) | |||
Pan y magnitude | 17.14 (0.01) | |||
E(B-V) | 0.026 |
* 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.