All names: TD1 32715, UCAC2 44502592, PG1758+364, Gaia EDR3 4609493459100758400, TYC 2633-1952-1, Gaia DR3 4609493459100758400, 2MASS J18001886+3628563, TIC 159980021, Gaia DR2 4609493459100758400, [CW83] 1758+36, GSC 02633-01952, HIDDEN NAME PG 1758+364, HIP 88156, HIC 88156
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 18 00 18.82 (0.03) | 18 00 18.85 | 18 00 18.86 (0.03) | ||
| Declination | 36 28 56.44 (0.03) | 36 28 56.30 | 36 28 56.34 (0.03) | ||
| Spectral type | sdB | sdB0 | |||
| Effective temperature | [K] | 34600.0 (1100) | |||
| log(g) | [cgs] | 5.79 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 5.14 (0.04) | 5.28 (0.05) | 5.14 (0.04) | |
| Distance | [pc] | 194.48 (2) | 189.53 (2) | 194.48 (2) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -29.885 (0.04) | -30.053 (0.09) | -29.885 (0.04) | |
| Proper motion (declination) | [mas/yr] | 6.757 (0.04) | 6.985 (0.1) | 6.757 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.17 (0.05) | ||||
| V magnitude | 11.39 (0.09) | ||||
| R magnitude | 11.38 | ||||
| I magnitude | |||||
| J magnitude | 11.96 (0.02) | 11.96 (0.02) | |||
| H magnitude | 12.12 (0.02) | 12.12 (0.02) | |||
| K magnitude | 12.23 (0.02) | 12.23 (0.02) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 11.30 (0.003) | 11.31 (0.0008) | 11.30 (0.003) | ||
| BP magnitude | 11.16 (0.003) | 11.11 (0.007) | |||
| RP magnitude | 11.59 (0.004) | 11.59 (0.002) | |||
| Pan g magnitude | 11.01 | ||||
| Pan r magnitude | 11.52 | ||||
| Pan i magnitude | 11.89 | ||||
| Pan z magnitude | 12.21 | ||||
| Pan y magnitude | 12.41 (0.002) | ||||
| E(B-V) | 0.023 | ||||
* 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.