All names: Gaia EDR3 6645604928622813824, 2MASS J19370816-5134068, UCAC4 193-197523, WDS J19371-5134B, ** CRI 23B, WDJ193708.15-513407.07, WDJ19378.15-513407.06, Gaia DR2 6645604928622813824, Gaia DR3 6645604928622813824, TIC 404156391, CCDM J19371-5134B, UCAC2 9614745
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 19 37 08.30 (0.03) | 19 37 08.29 | 19 37 08.30 | 19 37 08.15 (0.03) | 19 37 08.29 | ||
| Declination | -51 34 07.45 (0.02) | -51 34 07.44 | -51 34 07.45 | -51 34 07.07 (0.03) | -51 34 07.44 | ||
| Spectral type | DB | D | |||||
| Effective temperature | [K] | 18736.0 (273) | |||||
| log(g) | [cgs] | 8.03 (0.01) | |||||
| Mass | [M☉] | 0.611 (0.01) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 20.48 (0.03) | 20.48 (0.06) | 20.48 | 20.48 (0.03) | 20.48 (0.06) | |
| Distance | [pc] | 48.82 (0.08) | 48.83 (0.1) | 48.82 | 48.82 (0.08) | 48.83 (0.1) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 87.3501126 (0.03) | 87.33825534 (0.09) | 87.35 (0.03) | 87.33825534 | ||
| Proper motion (declination) | [mas/yr] | -23.98014749 (0.03) | -23.97084833 (0.06) | -23.98 (0.03) | -23.97084833 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | 14.59 (0.09) | ||||||
| I magnitude | |||||||
| J magnitude | 14.54 (0.2) | ||||||
| H magnitude | 14.45 (0.5) | ||||||
| K magnitude | 14.52 (0.3) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 14.26 (0.001) | 14.27 | 14.26 | 14.26 (0.003) | 14.27 | ||
| BP magnitude | 14.17 (0.001) | 14.13 | 14.13 | ||||
| RP magnitude | 14.38 (0.004) | 14.38 | 14.38 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.006 | ||||||
* 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.