All names: BPS CS 29496-0010, FB 188, 2MASS J23340195-2851380, GD 1674, CSI-29-23313, Ton S 103, TIC 254287117, GSC 06986-01049, GALEX J233401.9-285137, PHL 561, Gaia DR3 2330920159319600000, UBV 20259, UBV M 43199, Gaia DR2 2330920159319600000, TONS103, GEN# +6.10080103, Gaia EDR3 2330920159319600000
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 34 01.96 (0.05) | 23 34 02.04 | 23 34 01.95 (0.05) | ||
| Declination | -28 51 38.02 (0.04) | -28 51 38.40 | -28 51 37.96 (0.04) | ||
| Spectral type | He-sdB | sdBN0.2VIIHe40 | |||
| 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] | 0.71 (0.05) | 0.71 (0.08) | 0.71 (0.05) | |
| Distance | [pc] | 1406.67 (98) | 1399.38 (149) | 1406.67 (98) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 6.438 (0.07) | 6.398 (0.1) | 6.438 (0.07) | |
| Proper motion (declination) | [mas/yr] | -3.546 (0.05) | -3.536 (0.1) | -3.546 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.43 | ||||
| V magnitude | 14.66 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.41 (0.07) | 15.41 (0.07) | |||
| H magnitude | 15.49 (0.1) | 15.49 (0.1) | |||
| K magnitude | 15.14 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.65 (0.003) | 14.66 (0.001) | 14.65 (0.003) | ||
| BP magnitude | 14.49 (0.004) | 14.41 (0.02) | |||
| RP magnitude | 14.96 (0.004) | 14.96 (0.003) | |||
| Pan g magnitude | 14.50 (0.01) | ||||
| Pan r magnitude | 14.93 (0.003) | ||||
| Pan i magnitude | 15.30 (0.002) | ||||
| Pan z magnitude | 15.57 (0.004) | ||||
| Pan y magnitude | 15.77 (0.006) | ||||
| E(B-V) | 0.010 | ||||
* 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.