All names: SDSSJ130700.15+310223.8, Gaia DR3 1466048333001380352, ** SKF 2851A, WDS J13070+3102A, Gaia DR2 1466048333001380352, NAME PB 3322A
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 07 00.15 | 13 07 00.14 (0.2) | ||
| Declination | 31 02 23.80 | 31 02 23.65 (0.1) | ||
| Spectral type | sdB+MS | |||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.21 (0.3) | 0.81 (0.2) | |
| Distance | [pc] | 826.58 (233) | 1227.30 (350) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.066 (0.5) | 7.895 (0.2) | |
| Proper motion (declination) | [mas/yr] | -26.674 (0.5) | -26.84 (0.1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.63 (0.1) | |||
| H magnitude | 15.81 | |||
| K magnitude | 15.67 | |||
| u magnitude | 18.23 (0.01) | |||
| g magnitude | 17.79 (0.006) | |||
| r magnitude | 17.82 (0.006) | |||
| i magnitude | 17.80 (0.007) | |||
| z magnitude | 17.84 (0.02) | |||
| G magnitude | 18.42 (0.003) | 18.45 (0.003) | ||
| BP magnitude | 17.85 (0.01) | |||
| RP magnitude | 17.52 (0.01) | |||
| Pan g magnitude | 17.93 (0.01) | |||
| Pan r magnitude | 17.91 (0.01) | |||
| Pan i magnitude | 17.90 (0.007) | |||
| Pan z magnitude | 17.95 (0.005) | |||
| Pan y magnitude | 17.91 (0.02) | |||
| E(B-V) | 0.013 | |||
* 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.