All names: 2MASS J22354707+2347393, TIC 242347840, Pul -3 1490037, GALEX J223547.1+234741, Gaia EDR3 1876904938896587008, Gaia DR3 1876904938896587008, HS2233+2332, HS 2233+2332, Balloon 90900003, Gaia DR2 1876904938896587008, GPM 338.946148+23.794369
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 35 47.07 (0.03) | 22 35 47.08 | 22 35 47.07 (0.03) | ||
| Declination | 23 47 39.20 (0.03) | 23 47 39.72 | 23 47 39.31 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 26500.0 (700) | |||
| log(g) | [cgs] | 5.30 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.93 (0.04) | 0.86 (0.07) | 0.93 (0.04) | |
| Distance | [pc] | 1075.85 (49) | 1164.42 (101) | 1075.85 (49) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.896 (0.06) | 0.445 (0.1) | 0.896 (0.06) | |
| Proper motion (declination) | [mas/yr] | -6.74 (0.04) | -6.757 (0.09) | -6.74 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.80 | ||||
| V magnitude | 14.50 | ||||
| R magnitude | 14.30 | ||||
| I magnitude | |||||
| J magnitude | 14.97 (0.04) | 14.97 (0.04) | |||
| H magnitude | 15.07 (0.07) | 15.07 (0.07) | |||
| K magnitude | 15.14 (0.2) | 15.14 (0.2) | |||
| u magnitude | 14.04 (0.003) | ||||
| g magnitude | 14.16 (0.003) | ||||
| r magnitude | 14.61 (0.003) | ||||
| i magnitude | 14.95 (0.003) | ||||
| z magnitude | 15.23 (0.005) | ||||
| G magnitude | 14.39 (0.003) | 14.41 (0.0006) | 14.39 (0.003) | ||
| BP magnitude | 14.27 (0.003) | 14.23 (0.005) | |||
| RP magnitude | 14.64 (0.004) | 14.64 (0.002) | |||
| Pan g magnitude | 14.23 (0.001) | ||||
| Pan r magnitude | 14.64 (0.002) | ||||
| Pan i magnitude | 14.97 (0.002) | ||||
| Pan z magnitude | 15.23 (0.003) | ||||
| Pan y magnitude | 15.40 (0.003) | ||||
| E(B-V) | 0.053 | ||||
* 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.