All names: HE 1257-2021, FAUST 3627, USNO-B1.0 0693-00281740, Gaia EDR3 3508508382661528064, TIC 408552152, Gaia DR3 3508508382661528064, Gaia DR2 3508508382661528064, WISEA J130027.15-203729.2, WD 1257-203, WISE J130027.15-203729.1, 2MASS J13002715-2037292
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 13 00 27.13 (0.2) | 13 00 27.13 (0.3) | 13 00 27.14 (0.2) | 13 00 27.12 | ||
| Declination | -20 37 29.47 (0.2) | -20 37 29.47 (0.2) | -20 37 29.38 (0.2) | -20 37 27.12 | ||
| Spectral type | DO | DO/PG115 | ||||
| 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] | 0.60 (0.2) | 1.11 (0.3) | 0.60 (0.2) | ||
| Distance | [pc] | 1669.84 (669) | 902.20 (279) | 1669.73 (669) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -9.887970009 (0.3) | -10.454 (0.5) | -9.888 (0.3) | ||
| Proper motion (declination) | [mas/yr] | -5.827455381 (0.2) | -5.422 (0.4) | -5.827 (0.2) | ||
| Variability | ||||||
| Magnetic | yes | |||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.40 | |||||
| V magnitude | ||||||
| R magnitude | 16.40 | |||||
| I magnitude | ||||||
| J magnitude | 16.42 (0.1) | |||||
| H magnitude | 16.25 (0.2) | |||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 18.78 (0.06) | 18.82 | 18.78 (0.004) | |||
| BP magnitude | 19.77 (0.06) | 19.59 | ||||
| RP magnitude | 17.82 (0.02) | 17.88 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.056 | |||||
* 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.