All names: PSO J277.2080+34.6139, Gaia DR3 2095315158456241024, UCAC4 624-058442, Gaia DR2 2095315158456241024, 2MASS J18284995+3436499, TIC 24198408, GALEX J182849.9+343650
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 18 28 49.92 | 18 28 49.94 (0.03) | |
| Declination | 34 36 50.15 | 34 36 49.94 (0.03) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 37536.0 (1312) | |
| log(g) | [cgs] | 7.69 (0.02) | |
| Mass | [M☉] | 0.517 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 4.35 | 4.35 (0.04) |
| Distance | [pc] | 229.64 | 229.64 (2) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -17.118 (0.04) | |
| Proper motion (declination) | [mas/yr] | 13.129 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.55 (0.1) | ||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 15.65 (0.002) | ||
| r magnitude | 16.08 (0.002) | ||
| i magnitude | 16.45 (0.002) | ||
| z magnitude | 16.72 (0.01) | ||
| G magnitude | 15.83 | 15.83 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.