All names: GSC 02248-01751, Gaia DR2 2846162921688127360, 2MASS J23152147+2905015, Balloon 90100001, UCAC2 42168244, Gaia DR1 2846162917391360896, GALEX J231521.4+290502, TIC 90960668, TYC 2248-1751-1, Bal90100001, Gaia DR3 2846162921688127360, V* V585 Peg
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 15 21.30 | 23 15 21.48 (0.02) | ||
| Declination | 29 05 00.99 | 29 05 01.43 (0.02) | ||
| Spectral type | sdBV | sdB | ||
| Effective temperature | [K] | 29400.0 | ||
| log(g) | [cgs] | 5.33 | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 2.73 (0.06) | 2.57 (0.04) | |
| Distance | [pc] | 365.63 (9) | 388.36 (6) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 10.189 (0.1) | 10.177 (0.03) | |
| Proper motion (declination) | [mas/yr] | -11.776 (0.08) | -12.046 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.90 (0.08) | |||
| V magnitude | 12.30 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 12.57 (0.02) | 12.57 (0.02) | ||
| H magnitude | 12.70 (0.02) | 12.70 (0.02) | ||
| K magnitude | 12.76 (0.03) | 12.76 (0.03) | ||
| u magnitude | 12.22 (0.002) | |||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | 12.65 (0.001) | |||
| z magnitude | 14.25 (0.01) | |||
| G magnitude | 12.10 (0.002) | 12.08 (0.003) | ||
| BP magnitude | 11.93 (0.007) | |||
| RP magnitude | 12.29 (0.005) | |||
| Pan g magnitude | 11.86 | |||
| Pan r magnitude | 12.28 | |||
| Pan i magnitude | 12.61 | |||
| Pan z magnitude | 12.87 | |||
| Pan y magnitude | 13.04 (0.01) | |||
| E(B-V) | 0.051 | |||
* 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.