All names: GALEX J161949.3+145309, Gaia DR2 4464795697362764544, TIC 149649426, PG 1617+150, 2MASS J16194931+1453100, SDSSJ161949.30+145309.9, Gaia DR3 4464795697362764544, SDSS J161949.30+145309.9, [DWS97] Her 1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 19 49.30 | 16 19 49.30 (0.2) | ||
| Declination | 14 53 09.97 | 14 53 10.02 (0.2) | ||
| Spectral type | sd | sd+F/K | ||
| 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] | 0.30 (0.4) | 0.30 (0.4) | |
| Distance | [pc] | 3360.22 (4479) | 3360.22 (4479) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.465 (0.5) | -5.821 (0.2) | |
| Proper motion (declination) | [mas/yr] | -11.636 (0.5) | -8.622 (0.3) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.00 | |||
| V magnitude | 15.16 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.00 (0.02) | 14.00 (0.02) | ||
| H magnitude | 13.68 (0.04) | 13.68 (0.04) | ||
| K magnitude | 13.70 (0.05) | 13.70 (0.05) | ||
| u magnitude | 15.00 (0.004) | |||
| g magnitude | 14.75 (0.003) | |||
| r magnitude | 14.72 (0.004) | |||
| i magnitude | 14.71 (0.004) | |||
| z magnitude | 14.76 (0.005) | |||
| G magnitude | 14.72 (0.002) | 14.79 (0.003) | ||
| BP magnitude | 14.76 (0.004) | |||
| RP magnitude | 14.41 (0.001) | |||
| Pan g magnitude | 14.80 (0.005) | |||
| Pan r magnitude | 14.76 (0.002) | |||
| Pan i magnitude | 14.78 (0.006) | |||
| Pan z magnitude | 14.81 (0.002) | |||
| Pan y magnitude | 14.83 (0.003) | |||
| E(B-V) | 0.043 | |||
* 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.