All names: Gaia EDR3 3690771878282405632, GALEX J130555.3+002347, 2QZ J130555.2+002347, Gaia DR3 3690771878282405632, SDSS J130555.28+002347.2, Gaia DR2 3690771878282405632
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|
| Right ascension | 13 05 55.28 (0.5) | 13 05 55.28 | 13 05 55.28 (0.7) | 13 05 55.29 (0.5) | 13 05 55.28 | ||
| Declination | 00 23 47.28 (0.4) | 00 23 47.29 | 00 23 47.28 (0.4) | 00 23 47.27 (0.4) | 00 23 47.26 | ||
| Spectral type | sdB | SDB | |||||
| Effective temperature | [K] | 26168.0 (1250) | |||||
| log(g) | [cgs] | 5.35 (0.2) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.41 (0.6) | 0.51 (0.7) | 0.41 (0.6) | |||
| Distance | [pc] | 2426.42 (3307) | 1965.54 (2699) | 2426.60 (3307) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -2.450175144 (0.8) | -0.167745616 (2) | -2.45 (0.8) | |||
| Proper motion (declination) | [mas/yr] | 0.810191412 (0.6) | -0.466468284 (0.8) | 0.81 (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 | 19.75 (0.03) | 19.71 (0.03) | 19.74 (0.04) | ||||
| g magnitude | 19.79 (0.01) | 19.84 (0.01) | 19.84 (0.03) | ||||
| r magnitude | 20.31 (0.03) | 20.25 (0.03) | 20.27 (0.03) | ||||
| i magnitude | 20.62 (0.05) | 20.59 (0.05) | 20.61 (0.05) | ||||
| z magnitude | 20.14 (0.1) | 21.33 (0.4) | 21.44 (0.4) | ||||
| G magnitude | 20.09 (0.06) | 20.16 | 20.09 (0.006) | ||||
| BP magnitude | 19.90 (0.06) | 20.03 | |||||
| RP magnitude | 20.29 (0.1) | 20.36 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.022 | ||||||
* 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.