All names: WISEA J200654.89+144254.4, Gaia EDR3 1806906627074342016, 2MASS J20065487+1442540, Gaia DR2 1806906627074342016, TIC 86244552, Gaia DR3 1806906627074342016, GALEXJ20069+1442, UCAC2 37079897, SDSS J200654.86+144253.9, LAMOST J200654.86+144254.0, WISE J200654.89+144254.0, UCAC4 524-125003
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 06 54.87 (0.02) | 20 06 54.87 | 20 06 54.87 (0.02) | ||
| Declination | 14 42 53.74 (0.02) | 14 42 53.77 | 14 42 54.00 (0.02) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 34620.0 (480) | |||
| log(g) | [cgs] | 6.08 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.27 (0.04) | 1.30 (0.05) | 1.27 (0.04) | |
| Distance | [pc] | 788.64 (24) | 772.02 (28) | 788.64 (24) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.058 (0.04) | 0.125 (0.06) | 0.058 (0.04) | |
| Proper motion (declination) | [mas/yr] | -15.87 (0.03) | -15.908 (0.05) | -15.87 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.18 (0.01) | ||||
| V magnitude | 14.34 (0.01) | ||||
| R magnitude | 14.77 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.74 (0.04) | 14.74 (0.04) | |||
| H magnitude | 14.98 (0.08) | 14.98 (0.08) | |||
| K magnitude | 14.96 (0.1) | 14.96 (0.1) | |||
| u magnitude | 14.04 (0.004) | ||||
| g magnitude | 14.14 (0.003) | 14.12 (0.01) | |||
| r magnitude | 14.54 (0.004) | 14.57 (0.01) | |||
| i magnitude | 14.87 (0.004) | ||||
| z magnitude | 15.21 (0.005) | ||||
| G magnitude | 14.32 (0.003) | 14.34 (0.0006) | 14.32 (0.003) | ||
| BP magnitude | 14.20 (0.003) | 14.16 (0.005) | |||
| RP magnitude | 14.54 (0.004) | 14.54 (0.002) | |||
| Pan g magnitude | 14.18 (0.01) | ||||
| Pan r magnitude | 14.58 (0.004) | ||||
| Pan i magnitude | 14.92 (0.008) | ||||
| Pan z magnitude | 15.13 (0.002) | ||||
| Pan y magnitude | 15.31 (0.006) | ||||
| E(B-V) | 0.061 | ||||
* 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.