All names: SDSS J213136.72+002947.6, LAMOST J213136.74+002947.5, WISEA J213136.75+002947.3, WD 2129+002, WIRED J213136.72+002947.6, TIC 352817076, 2MASS J21313673+0029474, WISE J213136.75+002947.5, LAMOST J213136.72+002947.6, Gaia EDR3 2688174405129582080
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 31 36.78 (2) | 21 31 36.73 | 21 31 36.72 | 21 31 36.73 | 21 31 36.50 | 21 31 36.72 | |||
| Declination | 00 29 47.34 (2) | 00 29 47.64 | 00 29 47.62 | 00 29 47.64 | 00 29 45.96 | 00 29 47.63 | |||
| Spectral type | DB+M | DB+M | DB3.1 M | DB+M | |||||
| Effective temperature | [K] | 16071.0 (46) | 6300.0 (4) | ||||||
| log(g) | [cgs] | 8.27 (0.03) | 10.00 (0.003) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | ||||||||
| Distance | [pc] | 1017.00 (430) | |||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 37.0 (3) | |||||||
| Proper motion (declination) | [mas/yr] | -15.0 (3) | |||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.52 (0.1) | ||||||||
| H magnitude | 15.61 (0.1) | ||||||||
| K magnitude | 15.75 (0.2) | ||||||||
| u magnitude | 19.32 (0.02) | 19.39 | 19.32 (0.02) | 19.38 | 19.41 (0.03) | ||||
| g magnitude | 19.33 (0.01) | 19.38 | 19.33 (0.01) | 19.37 | 19.39 (0.02) | ||||
| r magnitude | 19.27 (0.01) | 19.38 | 19.27 (0.01) | 19.37 | 19.38 (0.02) | ||||
| i magnitude | 18.54 (0.01) | 18.63 | 18.54 (0.01) | 18.62 | 18.63 (0.02) | ||||
| z magnitude | 17.88 (0.02) | 17.99 | 17.88 (0.02) | 17.98 | 17.97 (0.03) | ||||
| G magnitude | 19.64 (0.05) | ||||||||
| BP magnitude | 19.39 (0.05) | ||||||||
| RP magnitude | 18.08 (0.03) | ||||||||
| Pan g magnitude | 19.38 (0.003) | ||||||||
| Pan r magnitude | 19.38 (0.02) | ||||||||
| Pan i magnitude | 18.62 (0.008) | ||||||||
| Pan z magnitude | 18.05 (0.008) | ||||||||
| Pan y magnitude | 17.77 (0.01) | ||||||||
| E(B-V) | 0.035 | ||||||||
* 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.