All names: GALEX J075548.7+292129, Gaia DR3 877170211769767296, SDSS J075548.69+292129.0, SDSS J075548.69+292129.1, Gaia DR2 877170211769767296, Gaia EDR3 877170211769767296
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 55 48.69 (0.7) | 07 55 48.70 (0.7) | ||
| Declination | 29 21 28.85 (0.5) | 29 21 29.13 (0.5) | ||
| Spectral type | DQ | |||
| 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] | 3.08 (0.8) | 3.08 (0.8) | |
| Distance | [pc] | 325.03 (82) | 325.03 (82) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.753 (0.8) | -6.753 (0.8) | |
| Proper motion (declination) | [mas/yr] | -17.273 (0.5) | -17.273 (0.5) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 20.26 (0.07) | |||
| g magnitude | 20.27 (0.03) | |||
| r magnitude | 20.45 (0.04) | |||
| i magnitude | 20.67 (0.06) | |||
| z magnitude | 21.16 | |||
| G magnitude | 20.33 (0.008) | 20.33 (0.008) | ||
| BP magnitude | 20.25 (0.1) | |||
| RP magnitude | 20.59 (0.2) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.019 | |||
* 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.