All names: SDSS J162007.00+061738.9, SDSS J162007.01+061738.9, 2MASS J16200700+0617388, Gaia EDR3 4438191952675524608, SDSS J162007.00+061738.8, Gaia DR3 4438191952675524608, Gaia DR2 4438191952675524608, TIC 318808446, WD 1617+064
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 20 07.01 (0.1) | 16 20 07.01 | 16 20 07.01 (0.1) | 16 20 07.01 | 16 20 07.01 (0.1) | 16 20 07.06 | |||
| Declination | 06 17 38.94 (0.1) | 06 17 38.92 | 06 17 38.94 (0.1) | 06 17 38.90 | 06 17 38.89 (0.1) | 06 17 34.08 | |||
| Spectral type | WD+M | D+M | WD M | ||||||
| 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] | 2.65 (0.2) | 2.51 (0.2) | 2.65 (0.2) | |||||
| Distance | [pc] | 377.34 (25) | 398.78 (34) | 884.00 (99) | 377.34 (25) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 0.812843394 (0.2) | 1.995913726 (0.3) | 0.813 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | 3.105363384 (0.1) | 3.477612588 (0.2) | 3.105 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.32 (0.05) | ||||||||
| H magnitude | 14.58 (0.06) | ||||||||
| K magnitude | 14.28 (0.08) | ||||||||
| u magnitude | 20.68 (0.08) | 20.59 | 20.59 (0.08) | 20.58 | |||||
| g magnitude | 19.48 (0.01) | 19.49 | 19.48 (0.01) | 19.48 | |||||
| r magnitude | 18.34 (0.008) | 18.36 | 18.36 (0.008) | 18.36 | |||||
| i magnitude | 17.24 (0.006) | 17.22 | 17.22 (0.006) | 17.22 | |||||
| z magnitude | 16.64 (0.009) | 16.56 | 16.59 (0.01) | 16.56 | |||||
| G magnitude | 17.93 (0.02) | 17.94 | 17.93 (0.003) | ||||||
| BP magnitude | 19.10 (0.02) | 19.07 | |||||||
| RP magnitude | 16.79 (0.005) | 16.80 | |||||||
| Pan g magnitude | 19.35 (0.01) | ||||||||
| Pan r magnitude | 18.36 (0.006) | ||||||||
| Pan i magnitude | 17.23 (0.004) | ||||||||
| Pan z magnitude | 16.70 (0.007) | ||||||||
| Pan y magnitude | 16.46 (0.007) | ||||||||
| 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.