All names: Balloon 90900007, Gaia DR2 2835948493025229952, UCAC2 39597268, Bal90900007, TIC 435843637, GALEX J225318.4+215354, 2MASS J22531841+2153544, LAMOST J225318.40+215354.3, UCAC4 560-141592, GALEX J225318.3+215357, Gaia DR3 2835948493025229952
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 53 18.43 | 22 53 18.40 (0.01) | ||
| Declination | 21 53 55.42 | 21 53 54.33 (0.01) | ||
| Spectral type | sdB+G2 | sdB+F5V | ||
| 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] | 0.79 (0.04) | 0.87 (0.01) | |
| Distance | [pc] | 1268.55 (58) | 1146.00 (19) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.842 (0.06) | -1.932 (0.02) | |
| Proper motion (declination) | [mas/yr] | -11.31 (0.05) | -11.425 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.44 (0.06) | |||
| V magnitude | 13.17 (0.03) | |||
| R magnitude | 13.18 (0.1) | |||
| I magnitude | ||||
| J magnitude | 12.37 (0.02) | 12.37 (0.02) | ||
| H magnitude | 12.18 (0.02) | 12.18 (0.02) | ||
| K magnitude | 12.16 (0.03) | 12.16 (0.03) | ||
| u magnitude | 14.62 (0.005) | |||
| g magnitude | 14.96 (0.005) | 13.24 (0.05) | ||
| r magnitude | 13.23 (0.002) | 13.12 (0.03) | ||
| i magnitude | 14.15 (0.005) | 13.10 (0.06) | ||
| z magnitude | 13.65 (0.006) | |||
| G magnitude | 13.08 (0.0004) | 13.06 (0.003) | ||
| BP magnitude | 13.23 (0.002) | |||
| RP magnitude | 12.76 (0.0006) | |||
| Pan g magnitude | 13.23 | |||
| Pan r magnitude | 13.08 | |||
| Pan i magnitude | 13.08 | |||
| Pan z magnitude | 13.15 (0.003) | |||
| Pan y magnitude | 13.16 (0.003) | |||
| E(B-V) | 0.054 | |||
* 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.