All names: WDJ171901.02-544616.96, USNO-B1.0 0352-00723706, BPM 24754, uvby98 600224754, 2MASS J17190102-5446170, Gaia DR2 5923100131319630976, L 269-72, DENIS J171901.0-544617, WD 1714-547, WD 1714-54, GEN# +6.00224754, WDJ17191.02-544616.95, UCAC4 177-193823, V* V876 Ara
| Parameter | Unit | Gaia DR2 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|
| Right ascension | 17 19 01.16 | 17 19 01.02 (0.05) | 17 19 01.16 | |
| Declination | -54 46 19.15 | -54 46 16.96 (0.05) | -54 46 19.15 | |
| Spectral type | DA4.5 | |||
| 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] | 17.84 (0.05) | 17.84 (0.05) | 17.84 (0.05) |
| Distance | [pc] | 56.04 (0.2) | 56.04 (0.2) | 56.04 (0.2) |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 77.56339016 (0.09) | 77.563 (0.09) | 77.56339016 |
| Proper motion (declination) | [mas/yr] | -141.2899786 (0.08) | -141.29 (0.08) | -141.2899786 |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 15.81 (0.1) | |||
| I magnitude | 15.48 (0.05) | |||
| J magnitude | 15.51 (0.06) | |||
| H magnitude | 15.55 (0.1) | |||
| K magnitude | 15.27 (0.2) | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.61 | 15.61 (0.0007) | 15.61 | |
| BP magnitude | 15.62 | 15.62 | ||
| RP magnitude | 15.56 | 15.56 | ||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.