All names: GSC 07595-01052, EC05217-3914, 2MASS J05232546-3911540, HE 0521-3914, EC 05217-3914, Gaia DR3 4819562302412127616, UCAC4 255-006374, TIC 167746025, Gaia DR2 4819562302412127616, UCAC2 14975083, Gaia EDR3 4819562302412127616, V* AQ Col
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 23 25.47 (0.03) | 05 23 25.48 | 05 23 25.47 (0.03) | ||
| Declination | -39 11 53.89 (0.03) | -39 11 54.30 | -39 11 54.08 (0.03) | ||
| Spectral type | sdBV | sdB | |||
| Effective temperature | [K] | 31300.0 | |||
| log(g) | [cgs] | 5.76 | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.64 (0.04) | 0.63 (0.04) | 0.64 (0.04) | |
| Distance | [pc] | 1569.86 (89) | 1590.33 (108) | 1569.86 (89) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.848 (0.04) | 0.731 (0.07) | 0.848 (0.04) | |
| Proper motion (declination) | [mas/yr] | 12.091 (0.04) | 12.07 (0.07) | 12.091 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.31 (0.08) | ||||
| V magnitude | 15.55 (0.04) | ||||
| R magnitude | 15.94 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.88 (0.07) | 15.88 (0.07) | |||
| H magnitude | 15.71 | ||||
| K magnitude | 15.69 | ||||
| u magnitude | |||||
| g magnitude | 15.31 (0.03) | ||||
| r magnitude | 15.82 (0.06) | ||||
| i magnitude | 16.24 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 15.51 (0.003) | 15.52 (0.0009) | 15.50 (0.003) | ||
| BP magnitude | 15.36 (0.003) | 15.30 (0.006) | |||
| RP magnitude | 15.79 (0.005) | 15.79 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.012 | ||||
* 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.