All names: LAMOST J090628.25+052656.9, Gaia DR3 580320897110564480, 2MASS J09062816+0526578, TIC 270581888, SDSS J090628.24+052656.9, SDSS J090628.25+052656.9, [DDM2009] CSS080209 J090628+052657, CRTS J090628.2+052657, Gaia DR2 580320897110564480
| Parameter | Unit | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|
| Right ascension | 09 06 28.25 | 09 06 28.24 (0.2) | 09 06 28.25 (0.1) | 09 06 28.25 | ||
| Declination | 05 26 56.96 | 05 26 56.97 (0.2) | 05 26 56.98 (0.08) | 05 26 56.94 | ||
| Spectral type | sdB+G | SDB+G | ||||
| Effective temperature | [K] | 7576.0 (22) | ||||
| log(g) | [cgs] | 7.68 (0.04) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 1.02 (0.2) | 0.60 (0.1) | |||
| Distance | [pc] | 975.88 (209) | 1665.00 (269) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -1.303305278 (0.3) | -1.812 (0.1) | -0.5 | ||
| Proper motion (declination) | [mas/yr] | -0.589157674 (0.2) | -0.726 (0.09) | 3.6 | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 16.84 (0.2) | |||||
| H magnitude | 16.52 (0.2) | |||||
| K magnitude | 15.59 (0.2) | |||||
| u magnitude | 18.82 (0.02) | 18.82 (0.02) | 18.82 (0.02) | |||
| g magnitude | 18.76 (0.009) | 18.76 (0.009) | 18.76 (0.02) | |||
| r magnitude | 18.45 (0.008) | 18.45 (0.008) | 18.46 (0.01) | |||
| i magnitude | 18.10 (0.008) | 18.11 (0.008) | 18.10 (0.01) | |||
| z magnitude | 17.83 (0.02) | 17.82 (0.02) | 17.82 (0.02) | |||
| G magnitude | 18.63 | 18.33 (0.04) | ||||
| BP magnitude | 18.88 | |||||
| RP magnitude | 17.87 | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.035 | |||||
* 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.