All names: SDSS J110907.95+000133.4, MGC 16955, Gaia DR3 3804182280735442560, GALEX J110908.0+000134, 2QZ J110907.9+000130, Gaia EDR3 3804182280735442560, Gaia DR2 3804182280735227008
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 09 07.95 (0.3) | 11 09 07.96 (0.3) | ||
| Declination | 00 01 34.31 (0.3) | 00 01 32.92 (0.3) | ||
| Spectral type | DB | |||
| 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] | 0.40 (0.3) | 0.40 (0.3) | |
| Distance | [pc] | 2530.36 (1957) | 2530.36 (1957) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.293 (0.4) | -9.293 (0.4) | |
| Proper motion (declination) | [mas/yr] | 87.154 (0.3) | 87.154 (0.3) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 19.11 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.06 (0.03) | |||
| g magnitude | 19.02 (0.01) | |||
| r magnitude | 19.15 (0.01) | |||
| i magnitude | 19.41 (0.02) | |||
| z magnitude | 19.81 (0.1) | |||
| G magnitude | 19.09 (0.004) | 19.09 (0.004) | ||
| BP magnitude | 19.06 (0.03) | |||
| RP magnitude | 19.15 (0.05) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.026 | |||
* 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.