All names: Gaia DR3 2650417171536530048, Gaia EDR3 2650417171536530048, Gaia DR2 2650417171536530048, SDSS J230530.61-014905.30, SDSS J230530.61-014905.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 23 05 30.61 (0.2) | 23 05 30.61 | 23 05 30.61 (0.2) | 23 05 30.61 (0.2) | |||
| Declination | -01 49 05.35 (0.2) | -01 49 05.29 | -01 49 05.35 (0.2) | -01 49 05.29 (0.2) | |||
| Spectral type | sdA | sdA | |||||
| Effective temperature | [K] | 6584.0 (52) | |||||
| log(g) | [cgs] | 5.55 (0.2) | |||||
| Mass | [M☉] | 0.14487 (0.0006) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | -0.39 (0.3) | -0.12 (0.3) | ||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.719127894 (0.2) | 0.286188323 (0.4) | 0.719 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -3.657442305 (0.2) | -4.208338661 (0.4) | -3.657 (0.2) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.09 (0.05) | 20.09 (0.04) | 20.09 (0.04) | ||||
| g magnitude | 19.10 (0.01) | 19.10 (0.02) | 19.10 (0.02) | ||||
| r magnitude | 18.73 (0.01) | 18.72 (0.02) | 18.72 (0.02) | ||||
| i magnitude | 18.56 (0.01) | 18.55 (0.02) | 18.55 (0.02) | ||||
| z magnitude | 18.48 (0.03) | 18.48 (0.03) | 18.48 (0.03) | ||||
| G magnitude | 18.74 (0.02) | 18.76 | 18.74 (0.004) | ||||
| BP magnitude | 19.06 (0.02) | 19.03 | |||||
| RP magnitude | 18.25 (0.03) | 18.22 | |||||
| Pan g magnitude | 19.06 (0.006) | ||||||
| Pan r magnitude | 18.74 (0.005) | ||||||
| Pan i magnitude | 18.60 (0.006) | ||||||
| Pan z magnitude | 18.54 (0.006) | ||||||
| Pan y magnitude | 18.52 (0.02) | ||||||
| E(B-V) | |||||||
* 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.