All names: SDSS J223531.54+143357.9, 2MASS J22353154+1433580, Gaia DR3 2732982626402453888, GALEX J223531.5+143358, TIC 210040152, LAMOST J223531.53+143358.6, HS 2233+1418, Gaia DR2 2732982626402453888, PG 2223+143, PG2223+143
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 35 31.57 | 22 35 31.55 (0.07) | ||
| Declination | 14 33 59.55 | 14 33 58.03 (0.06) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 35020.0 (820) | ||
| log(g) | [cgs] | 5.26 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.08 (0.09) | 0.87 (0.08) | |
| Distance | [pc] | 12836.97 (14534) | 1155.13 (102) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.311 (0.1) | -2.656 (0.07) | |
| Proper motion (declination) | [mas/yr] | -24.1 (0.1) | -24.803 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.42 | |||
| V magnitude | 14.05 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.64 (0.03) | 14.64 (0.03) | ||
| H magnitude | 14.75 (0.05) | 14.75 (0.05) | ||
| K magnitude | 14.92 (0.1) | 14.92 (0.1) | ||
| u magnitude | 13.51 (0.004) | 13.51 (0.004) | ||
| g magnitude | 14.04 (0.001) | |||
| r magnitude | 14.22 (0.004) | 14.22 (0.004) | ||
| i magnitude | 14.55 (0.004) | 14.55 (0.004) | ||
| z magnitude | 14.85 (0.005) | 14.85 (0.005) | ||
| G magnitude | 14.01 (0.0008) | 13.99 (0.003) | ||
| BP magnitude | 13.80 (0.01) | |||
| RP magnitude | 14.25 (0.002) | |||
| Pan g magnitude | 13.85 (0.002) | |||
| Pan r magnitude | 14.24 (0.002) | |||
| Pan i magnitude | 14.60 (0.001) | |||
| Pan z magnitude | 14.84 (0.002) | |||
| Pan y magnitude | 15.03 (0.004) | |||
| E(B-V) | 0.059 | |||
* 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.