All names: GALEX J144702.0-180345, Gaia DR3 6282306495595171072, TIC 309274922, 2MASS J14470191-1803443, Gaia DR2 6282306495595171072, BPS CS 22871-0084, BPSCS22871-84
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 47 01.90 | 14 47 01.92 (0.03) | ||
| Declination | -18 03 44.18 | -18 03 44.26 (0.04) | ||
| 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] | 0.92 (0.06) | 1.05 (0.04) | |
| Distance | [pc] | 1082.72 (71) | 953.02 (38) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.006 (0.1) | -0.926 (0.05) | |
| Proper motion (declination) | [mas/yr] | 1.773 (0.1) | 1.569 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 14.30 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.69 (0.04) | 14.69 (0.04) | ||
| H magnitude | 14.81 (0.06) | 14.81 (0.06) | ||
| K magnitude | 14.81 (0.1) | 14.81 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.33 (0.0006) | 14.31 (0.003) | ||
| BP magnitude | 14.19 (0.007) | |||
| RP magnitude | 14.48 (0.003) | |||
| Pan g magnitude | 14.20 (0.004) | |||
| Pan r magnitude | 14.52 (0.002) | |||
| Pan i magnitude | 14.82 (0.004) | |||
| Pan z magnitude | 15.04 (0.005) | |||
| Pan y magnitude | 15.18 (0.005) | |||
| E(B-V) | 0.085 | |||
* 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.