Double Star 23159-0905 Observation Details
23159-0905 Daily Motion
23159-0905 will be visible until January, 17, 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.
23159-0905 Visibility Timetable on July 18
23159-0905 Rise and Set Timetable
| Time | Elevation | |
| Astrosession begin | 22:26 | -9° |
| 23159-0905 rise | 23:10 | |
| Moon Rise, 48.4% illuminated | 00:18 | 13° |
| Astrosession end | 04:06 | 41° |
| 23159-0905 transit | 04:40 | 42° |
| Civil sunrise | 05:28 | 41° |
| Sunrise | 06:00 | 38° |
| 23159-0905 set | 10:09 | |
| Moon Set | 14:30 | -49° |
Track 23159-0905 Position Throughout the Night
← Fri, 18 July 2025 →
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Shift the map to change the time and observe 23159-0905 changing position in the night sky.
23159-0905 Star System Description
23159-0905 is 5-star Star System located in constellation Aquarius at coordinates RA: 23h 15m 53s", Dec: -9° 05' 15s.
The primary component has a magnitude of 4.36, while the secondary component has a magnitude of 9.88. They are separated by 49.8 arcseconds at a position angle of 311 degrees. The brightness difference between the two components is 5.52 magnitudes, with the primary component being approximately 161.4 times brighter than the secondary.
The primary and secondary stars are both orange in color
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.
V: Proper motion or other technique indicates that this pair is physical.
The primary component has a magnitude of 4.36, while the secondary component has a magnitude of 9.88. They are separated by 49.8 arcseconds at a position angle of 311 degrees. The brightness difference between the two components is 5.52 magnitudes, with the primary component being approximately 161.4 times brighter than the secondary.
The primary and secondary stars are both orange in color
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 23159-0905
| Property | Value |
|---|---|
| Star System Identifier | 23159-0905 |
| System Type | 5-star Star System |
| Primary Star | 91 Aqr |
| Right Ascension (RA) | 23.26486 (23h 15m 53s") |
| Declination (Dec) | -9.08775 (-9° 05' 15s) |
| Magnitude (Primary) | 4.36 |
| Magnitude (Secondary) | 9.88 |
| Spectral Type (Primary/Secondary) | K1III+K3 (orange/orange) |
| Separation (Arcseconds) | 49.8 |
| Position Angle | 311° |
| Discovery Year | 1824 |
| Last Observed | 2016 |
| Primary Proper Motion (Ra, Dec) | +369-017 |
| Secondary Proper Motion (Ra, Dec) | +370-017 |
| Number of Observations | 55 |
23159-0905 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| A,BC | 9.88 | 49.8 | 311 |
| AD | 13.49 | 63.0 | 275 |
| BC | 10.7 | 0.1 | 267 |
| BC,E | 14.3 | 18.4 | 35 |
Notes
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 91 Aqr
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| Object name | 23159-0905 |
| Field of view | |
| Limiting magnitude | |
| 23159-0905 coordinates | 23.26486, -9.08775 |
| Center coordinates | 23.26486, -9.08775 |
23159-0905 Passage Through Night
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Current position of 23159-0905
| Time | 03:26 |
| Latitude | 39.0469 |
| Longitude | -77.4903 |
| 23159-0905 elevation | 39° |
| 23159-0905 Azimuth | -156° |
Here you can see the current position of the 23159-0905 on the map, as well as its positions for rise and set. This tool allows you to track the 23159-0905's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 23159-0905
| Date | Sat, 19 July 2025 |
| Twighlight start | 22:20 |
| Twighlight end | 04:01 |
| Twighlight duration | 6h 41m |
| Rise | 23:06 |
| Set | 10:05 |
| Elevation at transit | 42° |
| Transit time | 04:36 |
| Equatorial coordinates | RA: 23h 15m 53s", Dec: -9° 05' 15s |
| Magnitude | 4 |
| Constellation | Aquarius |
The graph illustrates the annual visibility pattern of a 23159-0905, 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 23159-0905 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 23159-0905 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.