All names: Gaia DR2 817836299432042368, Gaia EDR3 817836269367764864, Gaia DR3 817836269367764864, SDSS J092402.72+434500.37, SDSS J092402.72+434500.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 24 02.73 (0.1) | 09 24 02.72 | 09 24 02.73 (0.2) | 09 24 02.72 (0.1) | ||||
| Declination | 43 45 00.29 (0.1) | 43 45 00.32 | 43 45 00.30 (0.2) | 43 45 00.37 (0.1) | ||||
| Spectral type | sdA | sdA | ||||||
| Effective temperature | [K] | 6871.0 (46) | ||||||
| log(g) | [cgs] | 5.52 (0.1) | ||||||
| Mass | [M☉] | 0.14485 (0.0003) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | -0.03 (0.2) | 0.77 (0.4) | 0.77 (0.4) | ||||
| Distance | [pc] | 1296.87 (652) | 1296.85 (652) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 4.194018581 (0.2) | 4.287828519 (0.4) | 4.194 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -4.590404535 (0.1) | -5.175934452 (0.4) | -4.59 (0.1) | ||||
| 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 (0.03) | 19.88 (0.03) | 19.88 (0.03) | |||||
| g magnitude | 19.01 (0.009) | 19.01 (0.02) | 19.01 (0.02) | |||||
| r magnitude | 18.80 (0.01) | 18.79 (0.02) | 18.79 (0.02) | |||||
| i magnitude | 18.72 (0.01) | 18.71 (0.02) | 18.71 (0.02) | |||||
| z magnitude | 18.69 (0.03) | 18.68 (0.03) | 18.68 (0.03) | |||||
| G magnitude | 18.77 (0.02) | 18.80 | 18.77 (0.003) | |||||
| BP magnitude | 19.00 (0.02) | 19.01 | ||||||
| RP magnitude | 18.45 (0.02) | 18.40 | ||||||
| Pan g magnitude | 19.01 (0.004) | |||||||
| Pan r magnitude | 18.79 (0.007) | |||||||
| Pan i magnitude | 18.74 (0.005) | |||||||
| Pan z magnitude | 18.74 (0.01) | |||||||
| Pan y magnitude | 18.72 (0.02) | |||||||
| E(B-V) | 0.020 | |||||||
* 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.