Double Star 16081+1703 Observation Details
16081+1703 Daily Motion
16081+1703 will reach its transit before twilight, at 16:37. By the onset of twilight at 20:01, it will be at elevation, and it will set before sunrise, at 23:30.16081+1703 will be visible until October, 27, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
16081+1703 Visibility Timetable on August 31
16081+1703 Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 46.4% illuminated | 11:58 | 26° |
| 16081+1703 transit | 16:37 | 70° |
| Sunset | 17:37 | 66° |
| Civil sunset | 18:05 | 62° |
| Astrosession begin | 19:10 | 51° |
| Moon Set | 21:19 | 25° |
| 16081+1703 set | 23:30 | |
| Astrosession end | 03:06 | -32° |
| 16081+1703 rise | 09:40 |
Track 16081+1703 Position Throughout the Night
← Sun, 31 August 2025 →
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Shift the map to change the time and observe 16081+1703 changing position in the night sky.
Where is 16081+1703 right now?
16081+1703 is located in the constellation Hercules, at right ascension 16h 08m 04s" and declination 17° 02' 49s. At the current time, it is above the horizon at an altitude of 41 degrees toward the east from your location, with an apparent magnitude of 5.10.16081+1703 Star System Description
16081+1703 is Triple Star System located in constellation Hercules at coordinates RA: 16h 08m 04s", Dec: 17° 02' 49s.
The primary component has a magnitude of 5.10, while the secondary component has a magnitude of 6.21. They are separated by 40 arcseconds at a position angle of 10 degrees. The brightness difference between the two components is 1.11 magnitudes, with the primary component being approximately 2.8 times brighter than the secondary.
The primary star is yellow in color, and the secondary star is orange.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
The primary component has a magnitude of 5.10, while the secondary component has a magnitude of 6.21. They are separated by 40 arcseconds at a position angle of 10 degrees. The brightness difference between the two components is 1.11 magnitudes, with the primary component being approximately 2.8 times brighter than the secondary.
The primary star is yellow in color, and the secondary star is orange.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
Technical Details of Star System 16081+1703
| Property | Value |
|---|---|
| Star System Identifier | 16081+1703 |
| System Type | Triple Star System |
| Primary Star | kap Her |
| Right Ascension (RA) | 16.13458 (16h 08m 04s") |
| Declination (Dec) | 17.047 (17° 02' 49s) |
| Magnitude (Primary) | 5.10 |
| Magnitude (Secondary) | 6.21 |
| Spectral Type (Primary/Secondary) | G7g+K0IV (yellow/orange) |
| Separation (Arcseconds) | 40.0 |
| Position Angle | 10° |
| Discovery Year | 1779 |
| Last Observed | 2023 |
| Primary Proper Motion (Ra, Dec) | -034-007 |
| Secondary Proper Motion (Ra, Dec) | -019-025 |
| Number of Observations | 220 |
16081+1703 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 6.21 | 40.0 | 10 |
| AC | 13.4 | 62.7 | 212 |
The data presented in this table is sourced from the Washington Double Star (WDS) Catalog, a comprehensive repository of double and multiple star system information maintained by the U.S. Naval Observatory. We thank the WDS team for their continued efforts in providing accurate and detailed astronomical data.
Finder Chart for kap Her
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| Object name | 16081+1703 |
| Field of view | |
| Limiting magnitude | |
| 16081+1703 coordinates | 16.13458, 17.047 |
| Center coordinates | 16.13458, 17.047 |
16081+1703 Passage Through Night
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Current position of 16081+1703
| Time | 20:01 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 16081+1703 elevation | 41° |
| 16081+1703 Azimuth | 100° |
Here you can see the current position of the 16081+1703 on the map, as well as its positions for rise and set. This tool allows you to track the 16081+1703's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 16081+1703
| Date | Mon, 1 September 2025 |
| Twighlight start | 19:08 |
| Twighlight end | 03:04 |
| Twighlight duration | 8h 57m |
| Rise | 09:40 |
| Set | 23:27 |
| Elevation at transit | 70° |
| Transit time | 16:33 |
| Equatorial coordinates | RA: 16h 08m 04s", Dec: 17° 02' 49s |
| Magnitude | 5 |
| Constellation | Hercules |
The graph illustrates the annual visibility pattern of a 16081+1703, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the 16081+1703 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the 16081+1703 is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
Astrometric & Physical Parameters of 16081+1703
Coordinates & Visibility
| Right Ascension | 16.13458° |
| Declination | 17.047° |
| Magnitude | 5.10 |
| Constellation | Hercules |
| Elevation | 41.1° |
| Azimuth | 100.1° |