All names: TIC 407768021, GALEXJ18114-6722, Gaia DR2 6436060174406130176, Gaia EDR3 6436060174406130176, WISEA J181128.09-672258.2, 2MASS J18112798-6722568, UCAC4 114-123874, Gaia DR3 6436060174406130176, UCAC2 2491226, WISE J181128.10-672257.9, DENIS J181127.9-672256
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 18 11 27.99 (0.02) | 18 11 28.27 | 18 11 28.00 (0.02) | ||
| Declination | -67 22 56.96 (0.02) | -67 22 55.50 | -67 22 56.78 (0.02) | ||
| 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] | 1.11 (0.03) | 1.15 (0.05) | 1.11 (0.03) | |
| Distance | [pc] | 901.31 (24) | 867.08 (35) | 901.31 (24) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.916 (0.02) | -3.857 (0.05) | -3.916 (0.02) | |
| Proper motion (declination) | [mas/yr] | -11.209 (0.03) | -11.187 (0.06) | -11.209 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.18 (0.02) | ||||
| V magnitude | 14.31 (0.05) | ||||
| R magnitude | 14.60 (0.2) | ||||
| I magnitude | 14.59 (0.04) | ||||
| J magnitude | 14.87 (0.05) | 14.87 (0.05) | |||
| H magnitude | 14.95 (0.1) | 14.95 (0.1) | |||
| K magnitude | 15.02 (0.1) | 15.02 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.13 (0.01) | ||||
| r magnitude | 14.53 (0.07) | ||||
| i magnitude | 14.81 (0.08) | ||||
| z magnitude | |||||
| G magnitude | 14.33 (0.003) | 14.35 (0.0006) | 14.33 (0.003) | ||
| BP magnitude | 14.21 (0.003) | 14.17 (0.008) | |||
| RP magnitude | 14.55 (0.004) | 14.55 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.062 | ||||
* 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.