All names: J1320+0836, Gaia DR3 3731477241851793152, ULAS J1320+08, ULAS J132016.50+083643.6, Gaia EDR3 3731477241851793152, SDSS J132016.50+083644.3, Gaia DR2 3731477241851793152
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2022 | Stilism | Leggett et al. 2011 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 13 20 16.53 (0.5) | 13 20 16.50 (0.5) | ||||
| Declination | 08 36 41.57 (0.3) | 08 36 45.09 (0.3) | ||||
| Spectral type | DC | DC | DC | |||
| Effective temperature | [K] | 4975.0 (118) | 4800.0 (130) | |||
| log(g) | [cgs] | |||||
| Mass | [M☉] | 0.485 (0.05) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | 7.0800 | 6.5000 | |||
| log(H/He) | -1.46 | |||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 7.95 (0.6) | 7.95 (0.6) | |||
| Distance | [pc] | 125.82 (9) | 102.00 (18) | 125.82 (9) | ||
| Composition | H+He | |||||
| Proper motion (right ascension) | [mas/yr] | 32.17 (0.7) | 32.17 (0.7) | |||
| Proper motion (declination) | [mas/yr] | -219.732 (0.4) | -219.732 (0.4) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 19.03 (0.07) | |||||
| H magnitude | 19.53 (0.2) | |||||
| K magnitude | ||||||
| u magnitude | 21.54 (0.1) | |||||
| g magnitude | 20.55 (0.03) | |||||
| r magnitude | 20.02 (0.02) | |||||
| i magnitude | 19.78 (0.02) | |||||
| z magnitude | 19.85 (0.07) | |||||
| G magnitude | 20.03 (0.006) | 20.03 (0.006) | ||||
| BP magnitude | 20.48 (0.1) | |||||
| RP magnitude | 19.39 (0.09) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.005 | |||||
* 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.