All names: PG 0850+170, TIC 46363456, V* HZ Cnc, Gaia DR2 611684298790301568, UCAC4 535-048520, UCAC2 37714149, PG0850+170, Gaia DR3 611684298790301568, SDSS J085323.65+164935.2, GALAH 160112002901019, LAMOST J085323.65+164935.2, 2MASS J08532366+1649353, EPIC 211765471, LAMOST J085323.66+164935.1, GALEX J085323.7+164935, GSC 01394-00013
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 53 23.66 | 08 53 23.66 (0.04) | ||
| Declination | 16 49 35.55 | 16 49 35.27 (0.02) | ||
| Spectral type | sdB+WD | sdB | ||
| Effective temperature | [K] | 27100.0 (1000) | ||
| log(g) | [cgs] | 5.37 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.15 (0.06) | 1.22 (0.05) | |
| Distance | [pc] | 873.21 (49) | 816.66 (31) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.097 (0.1) | 3.952 (0.05) | |
| Proper motion (declination) | [mas/yr] | -4.936 (0.08) | -5.031 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.72 (0.06) | |||
| V magnitude | 14.00 (0.07) | |||
| R magnitude | 14.26 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.55 (0.03) | 14.55 (0.03) | ||
| H magnitude | 14.55 (0.05) | 14.55 (0.05) | ||
| K magnitude | 14.67 (0.08) | 14.67 (0.08) | ||
| u magnitude | 13.59 (0.004) | 13.59 (0.004) | ||
| g magnitude | 13.96 (0.005) | 13.96 (0.005) | ||
| r magnitude | 14.21 (0.008) | 14.21 (0.008) | ||
| i magnitude | 14.49 (0.005) | 14.49 (0.005) | ||
| z magnitude | 14.79 (0.005) | 14.79 (0.005) | ||
| G magnitude | 13.93 (0.0005) | 13.92 (0.003) | ||
| BP magnitude | 13.74 (0.005) | |||
| RP magnitude | 14.18 (0.002) | |||
| Pan g magnitude | 13.75 (0.005) | |||
| Pan r magnitude | 14.16 (0.001) | |||
| Pan i magnitude | 14.52 (0.003) | |||
| Pan z magnitude | 14.80 (0.002) | |||
| Pan y magnitude | 14.95 (0.02) | |||
| E(B-V) | 0.027 | |||
* 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.