All names: Gaia EDR3 1395087428796377984, SDSS J151632.91+441720.5, GALEX J151632.9+441719, Gaia DR3 1395087428796377984, Gaia DR2 1395087428796377984
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 16 32.93 (0.4) | 15 16 32.92 (0.4) | ||
| Declination | 44 17 20.33 (0.4) | 44 17 20.51 (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] | 1.24 (0.4) | 1.24 (0.4) | |
| Distance | [pc] | 805.15 (291) | 805.15 (291) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.186 (0.5) | 7.186 (0.5) | |
| Proper motion (declination) | [mas/yr] | -10.724 (0.6) | -10.724 (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 | 19.90 (0.05) | |||
| g magnitude | 20.01 (0.02) | |||
| r magnitude | 20.18 (0.03) | |||
| i magnitude | 20.40 (0.05) | |||
| z magnitude | 20.53 (0.2) | |||
| G magnitude | 20.18 (0.006) | 20.18 (0.006) | ||
| BP magnitude | 20.18 (0.06) | |||
| RP magnitude | 20.25 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.022 | |||
* 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.