All names: SDSS J200654.86+144253.9, WISEA J200654.89+144254.4, 2MASS J20065487+1442540, GALEXJ20069+1442, LAMOST J200654.86+144254.0, TIC 86244552, WISE J200654.89+144254.0, UCAC2 37079897, Gaia EDR3 1806906627074342016, Gaia DR3 1806906627074342016, UCAC4 524-125003, Gaia DR2 1806906627074342016
| 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.