All names: SDSSJ213551.02+202645.5, GALEX J213551.0+202645, TIC 330043055, Gaia EDR3 1787531131936397568, Gaia DR3 1787531131936379136, Gaia DR2 1787531131936379136, 2MASS J21355101+2026454, SDSS J213551.02+202645.5
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 35 51.51 (0.3) | 21 35 51.02 | 21 35 51.02 (0.03) | ||
| Declination | 20 27 27.20 (0.4) | 20 26 45.52 | 20 26 45.49 (0.03) | ||
| Spectral type | sd | sd+G/K | |||
| 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] | 2.46 (0.5) | 0.12 (0.06) | 0.11 (0.03) | |
| Distance | [pc] | 406.17 (75) | 8568.98 (4171) | 8841.73 (2588) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.977 (0.4) | 6.034 (0.1) | 6.082 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.266 (0.5) | 1.076 (0.1) | 1.172 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.82 (0.05) | 14.82 (0.05) | |||
| H magnitude | 14.54 (0.06) | 14.54 (0.06) | |||
| K magnitude | 14.45 (0.07) | 14.45 (0.07) | |||
| u magnitude | 15.32 (0.004) | 15.32 (0.004) | |||
| g magnitude | 15.29 (0.003) | 15.29 (0.003) | |||
| r magnitude | 15.41 (0.003) | 15.41 (0.003) | |||
| i magnitude | 15.47 (0.003) | 15.47 (0.003) | |||
| z magnitude | 15.52 (0.005) | 15.52 (0.005) | |||
| G magnitude | 19.31 (0.006) | 15.31 (0.0008) | 15.29 (0.003) | ||
| BP magnitude | 19.59 (0.07) | 15.32 (0.007) | |||
| RP magnitude | 18.57 (0.03) | 15.17 (0.003) | |||
| Pan g magnitude | 15.34 (0.004) | ||||
| Pan r magnitude | 15.43 (0.003) | ||||
| Pan i magnitude | 15.52 (0.004) | ||||
| Pan z magnitude | 15.56 (0.003) | ||||
| Pan y magnitude | 15.60 (0.005) | ||||
| 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.