All names: HS2033+0821, GALEX J203529.4+083151, 2MASS J20352933+0831514, TIC 375005166, Gaia DR3 1749434329641481728, HS 2033+0821, Gaia DR2 1749434329641481728, Gaia EDR3 1749434329641481728
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 35 29.34 (0.03) | 20 35 29.33 | 20 35 29.34 (0.03) | ||
| Declination | 08 31 51.34 (0.02) | 08 31 51.70 | 08 31 51.33 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 32706.0 (500) | |||
| log(g) | [cgs] | 5.87 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.28 (0.04) | 1.38 (0.05) | 1.28 (0.04) | |
| Distance | [pc] | 780.64 (22) | 722.96 (28) | 780.64 (22) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.367 (0.04) | 4.427 (0.08) | 4.367 (0.04) | |
| Proper motion (declination) | [mas/yr] | 0.428 (0.03) | 0.413 (0.07) | 0.428 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.40 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.09 (0.04) | 15.09 (0.04) | |||
| H magnitude | 15.22 (0.1) | 15.22 (0.1) | |||
| K magnitude | 15.43 (0.2) | 15.43 (0.2) | |||
| u magnitude | 14.16 (0.003) | ||||
| g magnitude | 14.38 (0.003) | ||||
| r magnitude | 14.81 (0.003) | ||||
| i magnitude | 15.11 (0.004) | ||||
| z magnitude | 15.39 (0.006) | ||||
| G magnitude | 14.58 (0.003) | 14.60 (0.0005) | 14.58 (0.003) | ||
| BP magnitude | 14.46 (0.003) | 14.41 (0.005) | |||
| RP magnitude | 14.81 (0.004) | 14.81 (0.002) | |||
| Pan g magnitude | 14.45 (0.006) | ||||
| Pan r magnitude | 14.83 (0.002) | ||||
| Pan i magnitude | 15.15 (0.001) | ||||
| Pan z magnitude | 15.40 (0.003) | ||||
| Pan y magnitude | 15.56 (0.004) | ||||
| E(B-V) | 0.089 | ||||
* 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.