All names: USNO-A2.0 1125-19993836, Gaia DR2 2853416606054349568, PG 2352+259, Gaia DR3 2853416606054349568, 2MASS J23553290+2612011, PG2352+259, CHSS 2995, GALEX J235532.9+261202
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 55 32.87 | 23 55 32.91 (0.02) | ||
| Declination | 26 12 01.40 | 26 12 01.16 (0.02) | ||
| Spectral type | sdB | 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] | 0.28 (0.06) | 0.21 (0.03) | |
| Distance | [pc] | 3510.00 (796) | 4681.65 (675) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 9.18 (0.1) | 9.312 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.887 (0.06) | -2.905 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.99 | |||
| V magnitude | ||||
| R magnitude | 15.30 (0.3) | |||
| I magnitude | ||||
| J magnitude | 15.04 (0.04) | 15.04 (0.04) | ||
| H magnitude | 15.07 (0.08) | 15.07 (0.08) | ||
| K magnitude | 15.03 (0.1) | 15.03 (0.1) | ||
| u magnitude | 15.17 (0.004) | |||
| g magnitude | 14.73 (0.003) | |||
| r magnitude | 15.06 (0.003) | |||
| i magnitude | 15.30 (0.003) | |||
| z magnitude | 15.49 (0.006) | |||
| G magnitude | 14.93 (0.0005) | 14.91 (0.003) | ||
| BP magnitude | 14.85 (0.004) | |||
| RP magnitude | 14.98 (0.002) | |||
| Pan g magnitude | 14.80 (0.001) | |||
| Pan r magnitude | 15.07 (0.003) | |||
| Pan i magnitude | 15.34 (0.003) | |||
| Pan z magnitude | 15.51 (0.003) | |||
| Pan y magnitude | 15.60 (0.004) | |||
| E(B-V) | 0.063 | |||
* 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.