Double Star 18254-2033 Observation Details
18254-2033 Daily Motion
18254-2033 will be visible until January, 1, 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.
18254-2033 Visibility Timetable on May 20
18254-2033 Rise and Set Timetable
| Time | Elevation | |
| Astrosession begin | 22:37 | -7° |
| 18254-2033 rise | 23:18 | |
| Moon Rise, 52.6% illuminated | 02:29 | 26° |
| 18254-2033 transit | 04:04 | 29° |
| Astrosession end | 04:19 | 29° |
| Civil sunrise | 05:41 | 25° |
| Sunrise | 06:13 | 22° |
| 18254-2033 set | 08:50 | |
| Moon Set | 13:16 | -50° |
Track 18254-2033 Position Throughout the Night
← Tue, 20 May 2025 →
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Shift the map to change the time and observe 18254-2033 changing position in the night sky.
18254-2033 Star System Description
18254-2033 is Double Star System located in constellation Sagittarius at coordinates RA: 18h 25m 21s", Dec: -20° 32' 29s.
The primary component has a magnitude of 5.03, while the secondary component has a magnitude of 7.43. They are separated by 1.8 arcseconds at a position angle of 297 degrees. The brightness difference between the two components is 2.4 magnitudes, with the primary component being approximately 9.1 times brighter than the secondary.
The primary star is orange in color, and the secondary star is white.
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 5.03, while the secondary component has a magnitude of 7.43. They are separated by 1.8 arcseconds at a position angle of 297 degrees. The brightness difference between the two components is 2.4 magnitudes, with the primary component being approximately 9.1 times brighter than the secondary.
The primary star is orange in color, and the secondary star is white.
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 18254-2033
| Property | Value |
|---|---|
| Star System Identifier | 18254-2033 |
| System Type | Double Star System |
| Primary Star | 21 Sgr |
| Right Ascension (RA) | 18.4225 (18h 25m 21s") |
| Declination (Dec) | -20.54164 (-20° 32' 29s) |
| Magnitude (Primary) | 5.03 |
| Magnitude (Secondary) | 7.43 |
| Spectral Type (Primary/Secondary) | K1III+A1V (orange/white) |
| Separation (Arcseconds) | 1.8 |
| Position Angle | 297° |
| Discovery Year | 1846 |
| Last Observed | 2008 |
| Primary Proper Motion (Ra, Dec) | +020-023 |
| Secondary Proper Motion (Ra, Dec) | +020-023 |
| Number of Observations | 34 |
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 21 Sgr
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| Object name | 18254-2033 |
| Field of view | |
| Limiting magnitude | |
| 18254-2033 coordinates | 18.4225, -20.54164 |
| Center coordinates | 18.4225, -20.54164 |
18254-2033 Passage Through Night
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Current position of 18254-2033
| Time | 14:02 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| 18254-2033 elevation | -57° |
| 18254-2033 Azimuth | 63° |
Here you can see the current position of the 18254-2033 on the map, as well as its positions for rise and set. This tool allows you to track the 18254-2033's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 18254-2033
| Date | Tue, 20 May 2025 |
| Twighlight start | 22:33 |
| Twighlight end | 04:14 |
| Twighlight duration | 6h 41m |
| Rise | 23:18 |
| Set | 08:50 |
| Elevation at transit | 29° |
| Transit time | 04:04 |
| Equatorial coordinates | RA: 18h 25m 21s", Dec: -20° 32' 29s |
| Magnitude | 5 |
| Constellation | Sagittarius |
The graph illustrates the annual visibility pattern of a 18254-2033, 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 18254-2033 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 18254-2033 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.