All names: 2MASS J03081817+5140116, Gaia DR3 440098877851219456, UCAC4 709-024698, ATO J047.0757+51.6698, EQ J0308+5140, WISE J030818.18+514011.6, Gaia DR2 440098877851219456, UCAC2 48250979, TIC 116887189, WISEA J030818.18+514011.5, ZTF J030818.17+514011.6
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 03 08 18.19 (0.04) | ||
| Declination | 51 40 11.62 (0.05) | ||
| Spectral type | DAZ | ||
| 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] | 0.44 (0.07) | |
| Distance | [pc] | 2277.90 (352) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -2.069 (0.06) | |
| Proper motion (declination) | [mas/yr] | -1.328 (0.07) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.70 (0.1) | ||
| V magnitude | 15.54 (0.01) | ||
| R magnitude | 15.32 (0.1) | ||
| I magnitude | |||
| J magnitude | 13.62 (0.02) | ||
| H magnitude | 13.30 (0.03) | ||
| K magnitude | 13.14 (0.03) | ||
| u magnitude | |||
| g magnitude | 16.11 | ||
| r magnitude | 15.32 | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 15.31 (0.004) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.566 | ||
* 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.