All names: GALEX J120735.2+163155, Gaia DR2 3925608698479425536, SDSS J120735.24+163155.2, Gaia DR3 3925608698479425536, Gaia EDR3 3925608698479425536, SDSS J120735.23+163155.3
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 07 35.24 (0.5) | 12 07 35.24 (0.5) | ||
| Declination | 16 31 55.27 (0.6) | 16 31 55.34 (0.6) | ||
| Spectral type | DB | |||
| 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] | 1.68 (0.9) | 1.68 (0.9) | |
| Distance | [pc] | 596.59 (330) | 596.59 (330) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.426 (0.6) | 1.426 (0.6) | |
| Proper motion (declination) | [mas/yr] | -4.328 (0.8) | -4.328 (0.8) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.76 (0.04) | |||
| g magnitude | 19.86 (0.02) | |||
| r magnitude | 20.09 (0.02) | |||
| i magnitude | 20.28 (0.04) | |||
| z magnitude | 20.72 (0.2) | |||
| G magnitude | 19.95 (0.006) | 19.95 (0.006) | ||
| BP magnitude | 19.89 (0.05) | |||
| RP magnitude | 20.00 (0.09) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.024 | |||
* 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.