All names: EC 04052-1719, Gaia DR3 5096378407836945408, 2MASS J04072755-1711157, HE0405-1719, BPS CS 22173-0016, Gaia EDR3 5096378407836945408, UCAC2 25238628, UCAC4 365-004915, TIC 319313276, Gaia DR2 5096378407836945408, HE 0405-1719
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 07 27.57 (0.03) | 04 07 27.54 | 04 07 27.56 (0.03) | ||
| Declination | -17 11 15.75 (0.03) | -17 11 15.50 | -17 11 15.71 (0.03) | ||
| 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] | 1.09 (0.04) | 1.09 (0.05) | 1.09 (0.04) | |
| Distance | [pc] | 921.40 (32) | 915.08 (44) | 921.40 (32) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 6.726 (0.04) | 6.722 (0.08) | 6.726 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.646 (0.03) | -2.653 (0.06) | -2.646 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.77 (0.04) | ||||
| V magnitude | 14.01 (0.03) | ||||
| R magnitude | 14.35 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 14.67 (0.03) | 14.67 (0.03) | |||
| H magnitude | 14.81 (0.06) | 14.81 (0.06) | |||
| K magnitude | 15.11 (0.1) | 15.11 (0.1) | |||
| u magnitude | |||||
| g magnitude | 13.77 (0.03) | ||||
| r magnitude | 14.24 (0.03) | ||||
| i magnitude | 14.60 (0.08) | ||||
| z magnitude | |||||
| G magnitude | 13.96 (0.003) | 13.97 (0.0007) | 13.96 (0.003) | ||
| BP magnitude | 13.80 (0.003) | 13.74 (0.01) | |||
| RP magnitude | 14.27 (0.004) | 14.26 (0.003) | |||
| Pan g magnitude | 13.77 (0.001) | ||||
| Pan r magnitude | 14.23 (0.004) | ||||
| Pan i magnitude | 14.61 (0.002) | ||||
| Pan z magnitude | 14.90 (0.002) | ||||
| Pan y magnitude | 15.08 (0.003) | ||||
| E(B-V) | 0.032 | ||||
* 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.