All names: Gaia EDR3 3780806835326520192, LP 670-36, WDS J10300-0413B, ** LDS 3994B, WISEA J102959.37-041301.7, 2MASS J10295925-0413014, NLTT 24515, TIC 8001162, Gaia DR2 3780806835326520192, WISE J102959.37-041301.7, WD 1027-039, USNO-B1.0 0857-00207166
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 10 29 59.32 (0.3) | 10 29 59.32 (0.4) | 10 29 59.29 (199) | 10 29 55.90 | ||
| Declination | -04 13 00.96 (0.3) | -04 13 00.95 (0.3) | -04 13 01.35 (72) | -04 12 23.76 | ||
| Spectral type | DQ | DQ | ||||
| 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] | 9.34 (0.4) | 9.51 (0.5) | |||
| Distance | [pc] | 107.11 (4) | 105.14 (5) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 155.0732997 (0.3) | 154.9940717 (0.7) | 278.0 (11) | ||
| Proper motion (declination) | [mas/yr] | -22.09054858 (0.4) | -22.94314153 (0.6) | -70.0 (4) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 15.21 (0.05) | |||||
| H magnitude | 14.61 (0.04) | |||||
| K magnitude | 14.29 (0.07) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 19.30 | 19.34 | ||||
| BP magnitude | ||||||
| RP magnitude | ||||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.004 | |||||
* 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.