All names: TIC 236325190, [HHD2009] SDSS J1606+2847, WIRED J160645.02+284725.9, 2MASS J16064503+2847259, SDSS J160645.02+284726.0, WD 1604+289, GALEX J160645.0+284726, Gaia DR3 1317085874898398848, SDSS J160645.02+284725.9, Gaia DR2 1317085874898398848, LAMOST J160645.02+284725.9, Gaia EDR3 1317085874898398848
| 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) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 06 45.00 (0.06) | 16 06 45.02 | 16 06 45.01 (0.08) | 16 06 45.02 | 16 06 45.02 (0.06) | 16 06 44.45 | 16 06 45.02 | |||
| Declination | 28 47 25.76 (0.07) | 28 47 26.01 | 28 47 25.77 (0.1) | 28 47 25.91 | 28 47 26.08 (0.07) | 28 47 24.72 | 28 47 25.96 | |||
| Spectral type | DA+M | DA+M | DA2.8 | DA+M | ||||||
| Effective temperature | [K] | 16910.0 (539) | 7339.0 (59) | |||||||
| log(g) | [cgs] | 8.06 (0.1) | 5.04 (0.05) | |||||||
| Mass | [M☉] | 0.65 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.96 (0.09) | 2.91 (0.1) | 2.96 (0.09) | ||||||
| Distance | [pc] | 338.34 (10) | 344.02 (14) | 830.00 (161) | 338.34 (10) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -12.12344112 (0.09) | -12.17688237 (0.2) | -12.123 (0.09) | ||||||
| Proper motion (declination) | [mas/yr] | -19.51263255 (0.1) | -19.6485372 (0.2) | -19.513 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.66 (0.005) | |||||||||
| H magnitude | 15.12 (0.08) | |||||||||
| K magnitude | 14.91 (0.1) | |||||||||
| u magnitude | 18.92 (0.02) | 18.90 | 18.92 (0.02) | 18.89 | 18.91 (0.03) | |||||
| g magnitude | 18.50 (0.007) | 18.54 | 18.50 (0.007) | 18.53 | 18.52 (0.02) | |||||
| r magnitude | 18.39 (0.008) | 18.40 | 18.39 (0.008) | 18.39 | 18.39 (0.02) | |||||
| i magnitude | 17.67 (0.007) | 17.69 | 17.66 (0.007) | 17.68 | 17.66 (0.02) | |||||
| z magnitude | 17.06 (0.01) | 17.07 | 17.06 (0.01) | 17.06 | 17.05 (0.02) | |||||
| G magnitude | 18.01 (0.01) | 18.03 | 18.01 (0.003) | |||||||
| BP magnitude | 18.52 (0.01) | 18.53 | ||||||||
| RP magnitude | 17.21 (0.007) | 17.23 | ||||||||
| Pan g magnitude | 18.50 (0.01) | |||||||||
| Pan r magnitude | 18.38 (0.007) | |||||||||
| Pan i magnitude | 17.68 (0.004) | |||||||||
| Pan z magnitude | 17.17 (0.01) | |||||||||
| Pan y magnitude | 16.90 (0.008) | |||||||||
| E(B-V) | 0.028 | |||||||||
* 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.