All names: Gaia DR3 1391958665380055424, Gaia DR2 1391958665380055424, Gaia EDR3 1391958665380055424, GALEX J151004.0+402326, SDSS J151004.03+402325.9
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 10 04.02 (0.3) | 15 10 04.04 (0.3) | ||
| Declination | 40 23 26.00 (0.4) | 40 23 25.92 (0.4) | ||
| 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] | 1.07 (0.4) | 1.07 (0.4) | |
| Distance | [pc] | 937.65 (373) | 937.65 (373) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -16.511 (0.4) | -16.511 (0.4) | |
| Proper motion (declination) | [mas/yr] | 5.186 (0.6) | 5.186 (0.6) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.88 (0.05) | |||
| g magnitude | 20.02 (0.02) | |||
| r magnitude | 20.25 (0.02) | |||
| i magnitude | 20.42 (0.04) | |||
| z magnitude | 20.80 (0.2) | |||
| G magnitude | 20.21 (0.005) | 20.21 (0.005) | ||
| BP magnitude | 20.26 (0.07) | |||
| RP magnitude | 20.26 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.023 | |||
* 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.