All names: WISEA J162520.29+120308.6, SDSS J162520.29+120308.8, 2MASS J16252031+1203090, SDSS J162520.29+120308.9, Gaia EDR3 4459922356886052992, TIC 149783564, Gaia DR3 4459922356886052992, ZTF18aauylvz, SDSS J162520.30+120308.7, Gaia DR2 4459922356886052992, WISE J162520.30+120308.6, CRTS J162520.3+120309, USNO-B1.0 1020-00302560, SDSS J162520.29+120308.7
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 16 25 20.29 (0.1) | 16 25 20.30 (0.1) | |||
| Declination | 12 03 08.64 (0.09) | 12 03 08.85 (0.09) | |||
| Spectral type | D+M | CV | |||
| 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] | 2.28 (0.2) | 2.28 (0.2) | ||
| Distance | [pc] | 438.21 (32) | 438.21 (32) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -9.281 (0.1) | -9.281 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -13.545 (0.1) | -13.545 (0.1) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 18.60 | ||||
| V magnitude | |||||
| R magnitude | 17.90 | ||||
| I magnitude | |||||
| J magnitude | 16.58 (0.1) | ||||
| H magnitude | 15.55 (0.1) | ||||
| K magnitude | 15.54 (0.2) | ||||
| u magnitude | 18.12 (0.01) | ||||
| g magnitude | 18.53 (0.008) | ||||
| r magnitude | 18.41 (0.008) | ||||
| i magnitude | 18.21 (0.009) | ||||
| z magnitude | 17.72 (0.02) | ||||
| G magnitude | 18.43 (0.01) | 18.43 (0.01) | |||
| BP magnitude | 18.64 (0.04) | ||||
| RP magnitude | 17.83 (0.05) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.045 | ||||
* 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.