All names: SDSS J110238.28+564838.2, Gaia DR2 856873570718304128, Gaia DR3 856873570718304128, SDSS J110238.28+564838.29, Gaia EDR3 856873570718304128
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 02 38.29 (0.4) | 11 02 38.29 | 11 02 38.29 (0.5) | 11 02 38.29 (0.4) | ||||
| Declination | 56 48 37.92 (0.5) | 56 48 38.04 | 56 48 37.92 (0.6) | 56 48 37.97 (0.5) | ||||
| Spectral type | sdA: | sdA | ||||||
| Effective temperature | [K] | 7024.0 (132) | ||||||
| log(g) | [cgs] | 5.26 (0.5) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.03 (0.7) | 1.30 (1) | 1.03 (0.7) | ||||
| Distance | [pc] | 974.52 (711) | 768.75 (567) | 974.56 (711) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -0.039705202 (0.4) | -1.914181248 (1) | -0.04 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | -3.639667333 (0.6) | -4.311102679 (1) | -3.64 (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 | 21.54 (0.1) | 21.47 (0.1) | 21.47 (0.1) | |||||
| g magnitude | 20.83 (0.03) | 20.83 (0.03) | 20.83 (0.03) | |||||
| r magnitude | 20.53 (0.03) | 20.54 (0.03) | 20.54 (0.03) | |||||
| i magnitude | 20.55 (0.05) | 20.57 (0.04) | 20.57 (0.04) | |||||
| z magnitude | 20.31 (0.1) | 20.31 (0.1) | 20.31 (0.1) | |||||
| G magnitude | 20.55 (0.08) | 20.61 | 20.55 (0.006) | |||||
| BP magnitude | 20.69 (0.08) | 20.49 | ||||||
| RP magnitude | 20.09 (0.08) | 20.15 | ||||||
| Pan g magnitude | 20.71 (0.01) | |||||||
| Pan r magnitude | 20.61 (0.04) | |||||||
| Pan i magnitude | 20.47 (0.02) | |||||||
| Pan z magnitude | 20.50 (0.04) | |||||||
| Pan y magnitude | 19.80 (0.2) | |||||||
| E(B-V) | 0.021 | |||||||
* 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.