All names: SDSS J093857.91+570137.7, Gaia DR3 1025261062092803840, SDSS J093857.92+570137.7, GALEX J093857.9+570138, SDSS J093857.90+570137.8, Gaia DR2 1025261057796814336, Gaia EDR3 1025261062092803840
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 09 38 57.96 (0.3) | 09 38 57.93 (0.3) | |||
| Declination | 57 01 37.72 (0.2) | 57 01 37.77 (0.2) | |||
| Spectral type | DA | DA | |||
| 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] | 2.11 (0.3) | 2.11 (0.3) | ||
| Distance | [pc] | 473.08 (74) | 473.08 (74) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 15.618 (0.3) | 15.618 (0.3) | ||
| Proper motion (declination) | [mas/yr] | -3.129 (0.3) | -3.129 (0.3) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 18.67 (0.04) | ||||
| g magnitude | 25.17 (4) | ||||
| r magnitude | 24.82 (4) | ||||
| i magnitude | 24.36 (4) | ||||
| z magnitude | 18.56 (0.2) | ||||
| G magnitude | 19.20 (0.005) | 19.20 (0.005) | |||
| BP magnitude | 18.91 (0.02) | ||||
| RP magnitude | 18.97 (0.04) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.025 | ||||
* 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.