Double Star 16221+0102 Observation Details
16221+0102 Daily Motion
16221+0102 will be visible until October, 11, 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.
16221+0102 Visibility Timetable on May 09
16221+0102 Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 87.4% illuminated | 17:00 | -39° |
| 16221+0102 rise | 20:42 | |
| Civil sunset | 21:04 | 4° |
| Astrosession begin | 22:21 | 19° |
| 16221+0102 transit | 02:44 | 51° |
| Astrosession end | 04:35 | 44° |
| Moon Set | 04:45 | 42° |
| Civil sunrise | 05:52 | 32° |
| Sunrise | 06:23 | 27° |
| 16221+0102 set | 08:47 |
Track 16221+0102 Position Throughout the Night
← Fri, 9 May 2025 →
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Shift the map to change the time and observe 16221+0102 changing position in the night sky.
16221+0102 Star System Description
16221+0102 is Double Star System located in constellation Serpens at coordinates RA: 16h 22m 04s", Dec: 01° 01' 44s.
The primary component has a magnitude of 4.09, while the secondary component has a magnitude of 7.82. They are separated by 42.9 arcseconds at a position angle of 133 degrees. The brightness difference between the two components is 3.73 magnitudes, with the primary component being approximately 31 times brighter than the secondary.
The primary star is yellow-white in color, and the secondary star is red.
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 4.09, while the secondary component has a magnitude of 7.82. They are separated by 42.9 arcseconds at a position angle of 133 degrees. The brightness difference between the two components is 3.73 magnitudes, with the primary component being approximately 31 times brighter than the secondary.
The primary star is yellow-white in color, and the secondary star is red.
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 16221+0102
| Property | Value |
|---|---|
| Star System Identifier | 16221+0102 |
| System Type | Double Star System |
| Primary Star | Ser-16221 0102 |
| Right Ascension (RA) | 16.36786 (16h 22m 04s") |
| Declination (Dec) | 1.02903 (01° 01' 44s) |
| Magnitude (Primary) | 4.09 |
| Magnitude (Secondary) | 7.82 |
| Spectral Type (Primary/Secondary) | F0V+M2V (yellow-white/red) |
| Separation (Arcseconds) | 42.9 |
| Position Angle | 133° |
| Discovery Year | 2000 |
| Last Observed | 2016 |
| Primary Proper Motion (Ra, Dec) | -158+050 |
| Secondary Proper Motion (Ra, Dec) | -155+055 |
| Number of Observations | 7 |
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
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| Object name | 16221+0102 |
| Field of view | |
| Limiting magnitude | |
| 16221+0102 coordinates | 16.36786, 1.02903 |
| Center coordinates | 16.36786, 1.02903 |
16221+0102 Passage Through Night
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Current position of 16221+0102
| Time | 03:37 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| 16221+0102 elevation | 49° |
| 16221+0102 Azimuth | 159° |
Here you can see the current position of the 16221+0102 on the map, as well as its positions for rise and set. This tool allows you to track the 16221+0102's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 16221+0102
| Date | Sat, 10 May 2025 |
| Twighlight start | 22:18 |
| Twighlight end | 04:28 |
| Twighlight duration | 6h 10m |
| Rise | 20:38 |
| Set | 08:43 |
| Elevation at transit | 51° |
| Transit time | 02:40 |
| Equatorial coordinates | RA: 16h 22m 04s", Dec: 01° 01' 44s |
| Magnitude | 4 |
| Constellation | Serpens |
The graph illustrates the annual visibility pattern of a 16221+0102, 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 16221+0102 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 16221+0102 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.