All names: uvby98 610160443, PHL 443, 2MASS J23173551-0902196, UCAC2 28652886, Gaia DR3 2437994896599568000, GD 1107, Gaia EDR3 2437994896599568000, TIC 49530055, uvby98 610162197, GD1107, UCAC4 405-135986, Gaia DR2 2437994896599568000
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 17 35.51 (0.03) | 23 17 35.53 | 23 17 35.52 (0.03) | ||
| Declination | -09 02 19.83 (0.03) | -09 02 19.61 | -09 02 19.66 (0.03) | ||
| Spectral type | He-sdO | sdOHe | |||
| 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] | 1.23 (0.04) | 1.10 (0.08) | 1.23 (0.04) | |
| Distance | [pc] | 815.79 (27) | 909.50 (67) | 815.79 (27) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -10.048 (0.04) | -10.019 (0.1) | -10.048 (0.04) | |
| Proper motion (declination) | [mas/yr] | -10.543 (0.04) | -10.684 (0.09) | -10.543 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.88 (0.01) | ||||
| V magnitude | 14.09 (0) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.83 (0.04) | 14.83 (0.04) | |||
| H magnitude | 15.04 (0.07) | 15.04 (0.07) | |||
| K magnitude | 14.97 (0.1) | 14.97 (0.1) | |||
| u magnitude | 14.23 (0.006) | ||||
| g magnitude | 14.53 (0.006) | ||||
| r magnitude | 14.39 (0.003) | ||||
| i magnitude | 15.35 (0.007) | ||||
| z magnitude | 15.37 (0.008) | ||||
| G magnitude | 14.06 (0.003) | 14.07 (0.001) | 14.06 (0.003) | ||
| BP magnitude | 13.90 (0.003) | 13.83 (0.007) | |||
| RP magnitude | 14.36 (0.005) | 14.36 (0.002) | |||
| Pan g magnitude | 13.89 (0.002) | ||||
| Pan r magnitude | 14.32 (0.003) | ||||
| Pan i magnitude | 14.69 (0.002) | ||||
| Pan z magnitude | 14.99 (0.002) | ||||
| Pan y magnitude | 15.20 (0.005) | ||||
| E(B-V) | 0.024 | ||||
* 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.