All names: Gaia DR2 3984502045956074624, GALEX J110901.5+200703, Gaia DR3 3984502045956074624, SDSS J110901.54+200704.3, Gaia EDR3 3984502045956074624
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 09 01.54 (0.4) | 11 09 01.56 (0.4) | ||
| Declination | 20 07 04.33 (0.3) | 20 07 04.32 (0.3) | ||
| Spectral type | DBZ | |||
| 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] | 2.67 (0.5) | 2.67 (0.5) | |
| Distance | [pc] | 374.74 (76) | 374.74 (76) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -19.962 (0.5) | -19.962 (0.5) | |
| Proper motion (declination) | [mas/yr] | 0.395 (0.4) | 0.395 (0.4) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.55 (0.04) | |||
| g magnitude | 19.60 (0.01) | |||
| r magnitude | 19.82 (0.02) | |||
| i magnitude | 20.07 (0.04) | |||
| z magnitude | 20.38 (0.1) | |||
| G magnitude | 19.69 (0.006) | 19.69 (0.006) | ||
| BP magnitude | 19.68 (0.05) | |||
| RP magnitude | 19.84 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.019 | |||
* 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.