All names: 2MASS J07581360+2818159, TIC 171448142, Gaia DR2 874803719149459968, SDSSJ075813.60+281816.0, Gaia DR3 874803719149459968, GALEX J075813.6+281815, SDSS J075813.60+281816.0
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 58 13.60 | 07 58 13.60 (0.04) | ||
| Declination | 28 18 15.98 | 28 18 16.01 (0.03) | ||
| Spectral type | sdB+MS | sdB+? | ||
| 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] | 0.17 (0.07) | 0.25 (0.05) | |
| Distance | [pc] | 5837.71 (2365) | 4033.88 (760) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.418 (0.1) | 1.501 (0.05) | |
| Proper motion (declination) | [mas/yr] | -0.914 (0.07) | -0.949 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.49 (0.05) | 15.51 (0.007) | ||
| H magnitude | 15.21 (0.07) | 15.34 (0.01) | ||
| K magnitude | 15.23 (0.1) | 15.29 (0.02) | ||
| u magnitude | 16.54 (0.007) | 16.54 (0.007) | ||
| g magnitude | 16.07 (0.004) | 16.07 (0.004) | ||
| r magnitude | 16.05 (0.004) | 16.05 (0.004) | ||
| i magnitude | 16.09 (0.005) | 16.09 (0.005) | ||
| z magnitude | 16.14 (0.008) | 16.14 (0.008) | ||
| G magnitude | 16.02 (0.001) | 16.00 (0.003) | ||
| BP magnitude | 16.11 (0.004) | |||
| RP magnitude | 15.78 (0.004) | |||
| Pan g magnitude | 16.10 (0.002) | |||
| Pan r magnitude | 16.07 (0.002) | |||
| Pan i magnitude | 16.10 (0.002) | |||
| Pan z magnitude | 16.18 (0.005) | |||
| Pan y magnitude | 16.20 (0.006) | |||
| E(B-V) | 0.036 | |||
* 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.