All names: TIC 262039948, WISE J223851.46-175915.6, 2MASS J22385146-1759156, WISEA J223851.46-175915.7, GALEXJ22388-1759, Gaia DR2 2402504654120057216, Gaia DR3 2402504654120057216, UCAC2 25227896, PHL 359, GALEX J223851.4-175916, UCAC4 361-205294
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 38 51.42 | 22 38 51.46 (0.04) | ||
| Declination | -17 59 16.24 | -17 59 15.77 (0.03) | ||
| Spectral type | sdOB | sdOB | ||
| 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] | 0.93 (0.07) | 1.02 (0.05) | |
| Distance | [pc] | 1075.50 (79) | 980.20 (47) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 6.577 (0.1) | 6.845 (0.05) | |
| Proper motion (declination) | [mas/yr] | -4.84 (0.09) | -5.314 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.74 (0.01) | |||
| V magnitude | 14.79 (0.01) | |||
| R magnitude | 15.03 (0.09) | |||
| I magnitude | ||||
| J magnitude | 14.40 (0.03) | 14.40 (0.03) | ||
| H magnitude | 14.12 (0.04) | 14.12 (0.04) | ||
| K magnitude | 13.94 (0.04) | 13.94 (0.04) | ||
| u magnitude | ||||
| g magnitude | 14.72 (0.01) | |||
| r magnitude | 14.83 (0.09) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.77 (0.001) | 14.75 (0.003) | ||
| BP magnitude | 14.70 (0.009) | |||
| RP magnitude | 14.75 (0.005) | |||
| Pan g magnitude | 14.74 (0.005) | |||
| Pan r magnitude | 14.94 (0.002) | |||
| Pan i magnitude | 15.09 (0.004) | |||
| Pan z magnitude | 15.20 (0.01) | |||
| Pan y magnitude | 15.22 (0.004) | |||
| 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.