All names: GALEX J150849.9+005408, SDSS J150850.12+005408.1, Gaia DR2 4420015651075412864, Gaia DR3 4420015651075412864, Gaia EDR3 4420015651075412864, SDSS J150850.13+005408.1
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 15 08 49.92 (0.1) | 15 08 49.92 | 15 08 50.12 (0.1) | |||
| Declination | 00 54 07.97 (0.09) | 00 54 07.97 | 00 54 08.13 (0.09) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 7322.0 (160) | ||||
| log(g) | [cgs] | 7.29 (0.05) | ||||
| Mass | [M☉] | 0.271 (0.02) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 7.36 (0.1) | 7.36 | 7.36 (0.1) | ||
| Distance | [pc] | 135.83 (2) | 135.83 | 135.83 (2) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -180.842 (0.1) | -180.842 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -10.449 (0.1) | -10.449 (0.1) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 17.45 (0.04) | |||||
| H magnitude | 17.15 (0.04) | |||||
| K magnitude | 17.21 (0.06) | |||||
| u magnitude | 18.74 (0.03) | |||||
| g magnitude | 18.20 (0.05) | |||||
| r magnitude | 18.10 (0.1) | |||||
| i magnitude | 18.10 (0.2) | |||||
| z magnitude | 18.17 (0.04) | |||||
| G magnitude | 18.03 (0.003) | 18.03 | 18.03 (0.003) | |||
| BP magnitude | 18.18 (0.03) | |||||
| RP magnitude | 17.71 (0.02) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.025 | |||||
* 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.