All names: UCAC4 134-170902, Gaia DR2 6439593725598673024, Gaia DR3 6439593725598673024, 2MASS J19021753-6312082, USNO-A2.0 0225-29789810, BPSCS22959-145, FAUST 4383, BPS CS 22959-0145, TIC 464549287, [DBA2001] FN153
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 02 17.53 | 19 02 17.53 (0.03) | ||
| Declination | -63 12 08.30 | -63 12 08.48 (0.03) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.22 (0.06) | 0.37 (0.04) | |
| Distance | [pc] | 4512.64 (1236) | 2678.09 (319) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.314 (0.07) | -2.847 (0.04) | |
| Proper motion (declination) | [mas/yr] | 3.069 (0.07) | 3.274 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 16.00 | |||
| R magnitude | 16.14 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.67 (0.06) | 15.67 (0.06) | ||
| H magnitude | 15.84 (0.2) | 15.84 (0.2) | ||
| K magnitude | 15.44 (0.2) | 15.44 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.85 (0.001) | 15.83 (0.003) | ||
| BP magnitude | 15.74 (0.008) | |||
| RP magnitude | 15.87 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.058 | |||
* 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.