All names: SDSS J133801.06+021043.3, Gaia EDR3 3711700635440663552, SDSS J133801.04+021043.3, GALEX J133801.0+021044, USNO-A2.0 0900-07441930, Gaia DR3 3711700635440663552, Gaia DR2 3711700635440663552
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 38 01.01 (0.4) | 13 38 01.07 (0.4) | ||
| Declination | 02 10 43.24 (0.3) | 02 10 43.31 (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] | 1.87 (0.5) | 1.87 (0.5) | |
| Distance | [pc] | 534.22 (142) | 534.22 (142) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -54.11 (0.6) | -54.11 (0.6) | |
| Proper motion (declination) | [mas/yr] | -4.201 (0.4) | -4.201 (0.4) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 18.80 (0.3) | |||
| V magnitude | ||||
| R magnitude | 19.30 (0.3) | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.84 (0.04) | |||
| g magnitude | 19.86 (0.02) | |||
| r magnitude | 20.07 (0.02) | |||
| i magnitude | 20.22 (0.04) | |||
| z magnitude | 20.10 (0.1) | |||
| G magnitude | 19.93 (0.005) | 19.93 (0.005) | ||
| BP magnitude | 19.94 (0.04) | |||
| RP magnitude | 19.95 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.027 | |||
* 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.