All names: Gaia DR3 1767199173369655424, WD 2141+125, Gaia DR2 1767199173369655424, SDSS J214354.59+124457.8, LAMOST J214354.64+124458.0, TIC 301875277, SDSS J214354.60+124458.0, 2MASS J21435459+1244577, Gaia EDR3 1767199173369655424, [HHD2009] SDSS J2143+1244, SDSS J214354.60+124457.8
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 21 43 54.60 (0.03) | 21 43 54.60 | 21 43 54.60 (0.04) | 21 43 54.60 (0.03) | 21 43 54.34 | ||
| Declination | 12 44 57.78 (0.03) | 12 44 57.86 | 12 44 57.78 (0.04) | 12 44 57.85 (0.03) | 12 44 53.52 | ||
| Spectral type | DA+M | DA1.7 | |||||
| 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] | 0.86 (0.04) | 0.93 (0.05) | 0.86 (0.04) | |||
| Distance | [pc] | 1156.70 (54) | 1080.87 (53) | 1156.74 (54) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.595174127 (0.03) | 0.601221389 (0.07) | 0.595 (0.03) | |||
| Proper motion (declination) | [mas/yr] | -4.191049625 (0.03) | -4.157531513 (0.08) | -4.191 (0.04) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 15.18 (0.04) | ||||||
| H magnitude | 15.00 (0.07) | ||||||
| K magnitude | 14.69 (0.1) | ||||||
| u magnitude | 15.51 (0.005) | 15.52 (0.005) | |||||
| g magnitude | 15.14 (0.004) | 16.18 (0.004) | |||||
| r magnitude | 15.30 (0.004) | 16.13 (0.004) | |||||
| i magnitude | 15.40 (0.004) | 16.14 (0.004) | |||||
| z magnitude | 15.51 (0.006) | 15.49 (0.006) | |||||
| G magnitude | 15.64 (0.02) | 15.66 | 15.64 (0.007) | ||||
| BP magnitude | 15.73 (0.02) | 15.72 | |||||
| RP magnitude | 15.44 (0.02) | 15.45 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.051 | ||||||
* 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.