All names: 2MASS J17534054-5007420, GALEX J175340.5-500741, Gaia DR3 5947131955116293760, GALEXJ175340.57-500741.80, UCAC4 200-167318, TIC 409644971, Gaia DR2 5947131955116293760
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 53 40.57 | 17 53 40.55 (0.5) | ||
| Declination | -50 07 41.80 | -50 07 42.11 (0.4) | ||
| Spectral type | sdB+F7V | sdB+F7V | ||
| Effective temperature | [K] | 32430.0 (880) | ||
| log(g) | [cgs] | 5.95 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.64 (0.3) | 1.25 (0.6) | |
| Distance | [pc] | 608.24 (98) | 800.90 (365) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.01 (0.5) | -10.259 (0.6) | |
| Proper motion (declination) | [mas/yr] | -7.021 (0.4) | -7.958 (0.4) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.28 (0.01) | |||
| V magnitude | 13.07 (0.01) | |||
| R magnitude | 12.93 (0.06) | |||
| I magnitude | ||||
| J magnitude | 12.11 (0.02) | 12.11 (0.02) | ||
| H magnitude | 11.86 (0.02) | 11.86 (0.02) | ||
| K magnitude | 11.85 (0.02) | 11.85 (0.02) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.88 (0.002) | 12.89 (0.004) | ||
| BP magnitude | 13.01 (0.008) | |||
| RP magnitude | 12.58 (0.006) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.101 | |||
* 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.