All names: TIC 344841622, GALEX J100046.5+025408, Gaia DR2 3836440886741718784, UCAC4 465-044743, Gaia EDR3 3836440886741718784, COSMOS 3037870, 2MASS J10004646+0254090, COSMOS J100046.46+025408.8, SDSSJ100046.45+025408.9, Gaia DR3 3836440886741718784, SDSS J100046.46+025408.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 00 46.46 (0.05) | 10 00 46.46 | 10 00 46.45 | 10 00 46.46 (0.08) | 10 00 46.46 (0.05) | 10 00 46.46 | |||
| Declination | 02 54 08.82 (0.06) | 02 54 08.86 | 02 54 08.90 | 02 54 08.82 (0.09) | 02 54 08.84 (0.06) | 02 54 08.84 | |||
| Spectral type | sdB+MS | sdOB+F7V | SDB | ||||||
| Effective temperature | [K] | 7364.0 (19) | |||||||
| log(g) | [cgs] | 7.34 (0.05) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.24 (0.05) | 0.08 (0.09) | 0.08 (0.09) | 0.24 (0.05) | ||||
| Distance | [pc] | 4213.37 (959) | 12210.01 (12926) | 12204.40 (12920) | 4214.08 (959) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.623717842 (0.06) | -3.86 (0.1) | -3.860237391 (0.1) | -3.624 (0.06) | -3.5 | |||
| Proper motion (declination) | [mas/yr] | -1.012232925 (0.06) | -1.116 (0.1) | -1.116071903 (0.1) | -1.012 (0.06) | -5.2 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.63 (0.02) | ||||||||
| V magnitude | 16.47 (0.01) | ||||||||
| R magnitude | 16.36 | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.86 (0.09) | 15.86 (0.09) | |||||||
| H magnitude | 15.74 (0.2) | 15.74 (0.2) | |||||||
| K magnitude | 15.64 (0.2) | 17.64 (0.02) | |||||||
| u magnitude | 16.67 (0.006) | 16.67 (0.006) | 16.67 (0.006) | 16.67 (0.02) | |||||
| g magnitude | 16.41 (0.004) | 16.41 (0.004) | 16.41 (0.004) | 16.46 (0.02) | |||||
| r magnitude | 16.43 (0.004) | 16.43 (0.004) | 16.43 (0.004) | 16.42 (0.01) | |||||
| i magnitude | 16.48 (0.004) | 16.48 (0.004) | 16.48 (0.004) | 16.50 (0.02) | |||||
| z magnitude | 16.54 (0.008) | 16.54 (0.008) | 16.54 (0.008) | 16.56 (0.02) | |||||
| G magnitude | 16.36 (0.004) | 16.38 (0.001) | 16.38 | 16.36 (0.003) | |||||
| BP magnitude | 16.46 (0.004) | 16.45 (0.009) | 16.45 | ||||||
| RP magnitude | 16.17 (0.005) | 16.17 (0.005) | 16.17 | ||||||
| Pan g magnitude | 16.42 (0.003) | 16.42 (0.003) | |||||||
| Pan r magnitude | 16.45 (0.002) | 16.45 (0.002) | |||||||
| Pan i magnitude | 16.50 (0.003) | 16.50 (0.003) | |||||||
| Pan z magnitude | 16.58 (0.004) | 16.58 (0.004) | |||||||
| Pan y magnitude | 16.61 (0.004) | 16.61 (0.004) | |||||||
| E(B-V) | 0.027 | ||||||||
* 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.