All names: 2MASS J23504942+2708002, Gaia DR2 2854516976675734144, Gaia EDR3 2854516976675734144, TIC 129636400, SDSS J235049.43+270800.6, GALEX J235049.3+270801, UCAC4 586-132448, PG 2348+269, PG2348+269, Gaia DR3 2854516976675734144
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 50 49.43 (0.04) | 23 50 49.44 | 23 50 49.43 (0.04) | ||
| Declination | 27 08 00.65 (0.03) | 27 08 01.16 | 27 08 00.72 (0.03) | ||
| 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] | 0.47 (0.06) | 0.66 (0.1) | 0.47 (0.06) | |
| Distance | [pc] | 2142.70 (253) | 1522.53 (266) | 2142.70 (253) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.105 (0.06) | -0.001 (0.2) | 0.105 (0.06) | |
| Proper motion (declination) | [mas/yr] | -4.65 (0.04) | -4.679 (0.09) | -4.65 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.61 (0.1) | ||||
| V magnitude | 15.81 (0.01) | ||||
| R magnitude | 16.24 | ||||
| I magnitude | |||||
| J magnitude | 16.53 (0.1) | 16.53 (0.1) | |||
| H magnitude | 16.19 (0.2) | 16.19 (0.2) | |||
| K magnitude | 15.98 | ||||
| u magnitude | 15.46 (0.005) | ||||
| g magnitude | 15.62 (0.003) | 15.77 (0.01) | |||
| r magnitude | 16.07 (0.004) | 16.18 (0.01) | |||
| i magnitude | 16.41 (0.005) | ||||
| z magnitude | 16.75 (0.01) | ||||
| G magnitude | 15.85 (0.003) | 15.87 (0.001) | 15.85 (0.003) | ||
| BP magnitude | 15.73 (0.004) | 15.68 (0.005) | |||
| RP magnitude | 16.11 (0.007) | 16.10 (0.004) | |||
| Pan g magnitude | 15.68 (0.004) | ||||
| Pan r magnitude | 16.10 (0.002) | ||||
| Pan i magnitude | 16.45 (0.006) | ||||
| Pan z magnitude | 16.70 (0.005) | ||||
| Pan y magnitude | 16.88 (0.009) | ||||
| E(B-V) | 0.080 | ||||
* 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.