Double Star 21145+1000 Observation Details
21145+1000 Daily Motion
21145+1000 will rise at 22:22, during twilight, and will ascend to 60° by the time twilight ends at 04:48.21145+1000 will be visible until January, 10, 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.
21145+1000 Visibility Timetable on June 19
21145+1000 Rise and Set Timetable
| Time | Elevation | |
| 21145+1000 rise | 22:22 | |
| Astrosession begin | 23:06 | 8° |
| Moon Rise, 45.2% illuminated | 01:45 | 38° |
| Astrosession end | 03:59 | 58° |
| 21145+1000 transit | 04:55 | 60° |
| Civil sunrise | 05:30 | 59° |
| Sunrise | 06:04 | 56° |
| 21145+1000 set | 11:28 | |
| Moon Set | 14:38 | -31° |
Track 21145+1000 Position Throughout the Night
← Thu, 19 June 2025 →
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Shift the map to change the time and observe 21145+1000 changing position in the night sky.
21145+1000 Star System Description
21145+1000 is Triple Star System located in constellation Equuleus at coordinates RA: 21h 14m 28s", Dec: 10° 00' 25s.
The primary component has a magnitude of 5.19, while the secondary component has a magnitude of 5.52. They are separated by 0.4 arcseconds at a position angle of 15 degrees. The brightness difference between the two components is 0.33 magnitudes, with the primary component being approximately 1.4 times brighter than the secondary.
The primary and secondary stars are both yellow-white 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.
The primary component has a magnitude of 5.19, while the secondary component has a magnitude of 5.52. They are separated by 0.4 arcseconds at a position angle of 15 degrees. The brightness difference between the two components is 0.33 magnitudes, with the primary component being approximately 1.4 times brighter than the secondary.
The primary and secondary stars are both yellow-white 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 21145+1000
| Property | Value |
|---|---|
| Star System Identifier | 21145+1000 |
| System Type | Triple Star System |
| Primary Star | del Equ |
| Right Ascension (RA) | 21.24133 (21h 14m 28s") |
| Declination (Dec) | 10.00697 (10° 00' 25s) |
| Magnitude (Primary) | 5.19 |
| Magnitude (Secondary) | 5.52 |
| Spectral Type (Primary/Secondary) | F6V+F6V (yellow-white/yellow-white) |
| Separation (Arcseconds) | 0.4 |
| Position Angle | 15° |
| Discovery Year | 1852 |
| Last Observed | 2022 |
| Primary Proper Motion (Ra, Dec) | +040-304 |
| Secondary Proper Motion (Ra, Dec) | |
| Number of Observations | 523 |
21145+1000 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 5.52 | 0.4 | 15 |
| AB,C | 10.17 | 19.5 | 78 |
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 del Equ
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| Object name | 21145+1000 |
| Field of view | |
| Limiting magnitude | |
| 21145+1000 coordinates | 21.24133, 10.00697 |
| Center coordinates | 21.24133, 10.00697 |
21145+1000 Passage Through Night
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Current position of 21145+1000
| Time | 09:06 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| 21145+1000 elevation | 28° |
| 21145+1000 Azimuth | 101° |
Here you can see the current position of the 21145+1000 on the map, as well as its positions for rise and set. This tool allows you to track the 21145+1000's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 21145+1000
| Date | Thu, 19 June 2025 |
| Twighlight start | 23:02 |
| Twighlight end | 03:54 |
| Twighlight duration | 5h 52m |
| Rise | 22:22 |
| Set | 11:28 |
| Elevation at transit | 60° |
| Transit time | 04:55 |
| Equatorial coordinates | RA: 21h 14m 28s", Dec: 10° 00' 25s |
| Magnitude | 5 |
| Constellation | Equuleus |
The graph illustrates the annual visibility pattern of a 21145+1000, 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 21145+1000 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 21145+1000 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.