All names: LAMOST J223257.13+014115.0, Gaia EDR3 2702439602132610304, SDSS J223257.13+014115.0, TIC 272124035, PHL 310, Gaia DR3 2702439602132610304, Gaia DR2 2702439602132610304, GALEX J223257.0+014115, LBQS 2230+0125, 2MASS J22325711+0141147
| Parameter | Unit | Gaia EDR3 | Guo et al. 2015 | Simbad |
|---|---|---|---|---|
| Right ascension | 22 32 57.15 (0.1) | 22 32 57.14 (0.1) | ||
| Declination | 01 41 15.16 (0.1) | 01 41 14.94 (0.1) | ||
| Spectral type | DA+M | DA+M | ||
| 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] | 2.77 (0.2) | 2.77 (0.2) | |
| Distance | [pc] | 360.58 (20) | 360.58 (20) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 8.886 (0.1) | 8.886 (0.1) | |
| Proper motion (declination) | [mas/yr] | 13.725 (0.1) | 13.725 (0.1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 18.60 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.53 (0.1) | |||
| H magnitude | 15.97 (0.1) | |||
| K magnitude | 15.55 (0.2) | |||
| u magnitude | 18.38 (0.02) | |||
| g magnitude | 18.07 (0.006) | |||
| r magnitude | 18.11 (0.007) | |||
| i magnitude | 17.83 (0.007) | |||
| z magnitude | 17.48 (0.01) | |||
| G magnitude | 17.94 (0.003) | 17.94 (0.003) | ||
| BP magnitude | 18.13 (0.02) | |||
| RP magnitude | 17.47 (0.02) | |||
| 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.