All names: SDSS J224146.70+235202.4, Gaia DR2 1876225367695171840, Gaia DR3 1876225367695171840, SDSS J224146.69+235202.4, SDSSJ224146.70+235202.4, Gaia EDR3 1876225367695171840
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 41 46.70 (0.4) | 22 41 46.70 | 22 41 46.70 | 22 41 46.70 (0.5) | 22 41 46.70 (0.4) | 22 41 46.70 | |||
| Declination | 23 52 02.41 (0.5) | 23 52 02.42 | 23 52 02.40 | 23 52 02.41 (0.7) | 23 52 02.42 (0.5) | 23 52 02.41 | |||
| Spectral type | sdB | DA | DA | ||||||
| Effective temperature | [K] | 7953.0 (98) | |||||||
| log(g) | [cgs] | 5.31 (0.3) | |||||||
| Mass | [M☉] | 0.162 (0.001) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.81 (0.5) | 0.36 (0.7) | 0.36 (0.7) | 0.81 (0.5) | ||||
| Distance | [pc] | 1236.38 (713) | 2811.36 (5303) | 2811.31 (5303) | 1236.40 (713) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 0.001246474 (0.5) | -0.453 (1) | -0.453129645 (1) | 0.001 (0.5) | ||||
| Proper motion (declination) | [mas/yr] | -0.723176877 (0.6) | -0.707 (1) | -0.707026337 (1) | -0.723 (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 | 20.81 (0.09) | 20.81 (0.09) | 20.78 (0.09) | 20.78 (0.09) | |||||
| g magnitude | 20.03 (0.02) | 20.03 (0.02) | 20.01 (0.03) | 20.01 (0.03) | |||||
| r magnitude | 20.06 (0.02) | 20.06 (0.02) | 20.03 (0.04) | 20.03 (0.04) | |||||
| i magnitude | 20.21 (0.03) | 20.21 (0.03) | 20.16 (0.04) | 20.16 (0.04) | |||||
| z magnitude | 20.40 (0.1) | 20.40 (0.1) | 20.36 (0.1) | 20.36 (0.1) | |||||
| G magnitude | 20.03 (0.08) | 20.08 (0.006) | 20.08 | 20.03 (0.006) | |||||
| BP magnitude | 20.11 (0.08) | 20.01 (0.06) | 20.01 | ||||||
| RP magnitude | 19.94 (0.09) | 19.78 (0.06) | 19.78 | ||||||
| Pan g magnitude | 20.03 (0.008) | 20.03 (0.008) | |||||||
| Pan r magnitude | 20.12 (0.01) | 20.12 (0.01) | |||||||
| Pan i magnitude | 20.22 (0.02) | 20.22 (0.02) | |||||||
| Pan z magnitude | 20.27 (0.05) | 20.27 (0.05) | |||||||
| Pan y magnitude | 20.08 (0.05) | 20.08 (0.05) | |||||||
| E(B-V) | 0.053 | ||||||||
* 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.