All names: UCAC4 091-064610, TIC 301454053, WISE J170505.84-715608.3, GALEX J170506.0-715609, Gaia DR3 5804428127642370944, WISEA J170505.89-715608.7, GALEXJ17051-7156, 2MASS J17050591-7156084, Gaia EDR3 5804428024559442176, Gaia DR2 5804428127642370944, DENIS J170505.8-715608
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 17 04 58.29 (0.5) | 17 05 06.09 | 17 05 05.90 (0.02) | ||
| Declination | -71 56 59.53 (0.5) | -71 56 09.26 | -71 56 08.61 (0.02) | ||
| Spectral type | He-sdO | sdOC6VIIHe40 | |||
| 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] | 1.02 (0.7) | 0.85 (0.04) | 0.96 (0.03) | |
| Distance | [pc] | 978.00 (674) | 1179.25 (54) | 1045.26 (30) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -5.056 (0.6) | -4.069 (0.05) | -3.94 (0.02) | |
| Proper motion (declination) | [mas/yr] | -6.391 (0.6) | -26.909 (0.06) | -27.037 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.68 (0.01) | ||||
| V magnitude | |||||
| R magnitude | 14.07 (0.09) | ||||
| I magnitude | 14.03 (0.03) | ||||
| J magnitude | 14.37 (0.03) | 14.37 (0.03) | |||
| H magnitude | 14.55 (0.06) | 14.55 (0.06) | |||
| K magnitude | 14.35 (0.09) | 14.35 (0.09) | |||
| u magnitude | |||||
| g magnitude | 13.68 (0.02) | ||||
| r magnitude | 14.01 (0.01) | ||||
| i magnitude | 14.35 (0.03) | ||||
| z magnitude | |||||
| G magnitude | 20.65 (0.007) | 13.82 (0.0005) | 13.80 (0.003) | ||
| BP magnitude | 20.92 (0.1) | 13.63 (0.006) | |||
| RP magnitude | 20.00 (0.08) | 14.02 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.076 | ||||
* 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.