All names: Gaia DR3 1940032157758205824, Gaia DR2 1940032157758205824, UCAC4 688-130091, GALEX J233833.3+472944, 2MASS J23383326+4729444, SDSSJ233833.26+472944.3, TIC 176857180, SDSS J233833.26+472944.3
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 38 33.26 | 23 38 33.27 (0.02) | ||
| Declination | 47 29 44.30 | 47 29 44.36 (0.03) | ||
| Spectral type | sdB+MS | sdB+A8V | ||
| 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] | 0.06 (0.06) | 0.06 (0.06) | |
| Distance | [pc] | 17035.78 (15991) | 17035.78 (15991) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.83 (0.09) | -1.732 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.753 (0.07) | -0.734 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 16.37 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.01 (0.08) | 16.01 (0.08) | ||
| H magnitude | 15.79 (0.2) | 15.79 (0.2) | ||
| K magnitude | 15.62 | |||
| u magnitude | 16.61 (0.007) | 16.60 (0.007) | ||
| g magnitude | 16.20 (0.004) | 16.21 (0.004) | ||
| r magnitude | 16.33 (0.005) | 16.34 (0.005) | ||
| i magnitude | 16.45 (0.005) | 16.46 (0.005) | ||
| z magnitude | 16.57 (0.01) | 16.59 (0.01) | ||
| G magnitude | 16.26 (0.0006) | 16.24 (0.003) | ||
| BP magnitude | 16.27 (0.005) | |||
| RP magnitude | 16.14 (0.004) | |||
| Pan g magnitude | 16.25 (0.006) | |||
| Pan r magnitude | 16.35 (0.003) | |||
| Pan i magnitude | 16.50 (0.003) | |||
| Pan z magnitude | 16.61 (0.002) | |||
| Pan y magnitude | 16.62 (0.006) | |||
| E(B-V) | 0.123 | |||
* 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.