Double Star 04549+1009 Observation Details
04549+1009 Daily Motion
04549+1009 will rise at 02:23, during twilight, and will ascend to 57° by the time twilight ends at 06:15.04549+1009 will be visible until April, 24, 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.
04549+1009 Visibility Timetable on August 13
04549+1009 Rise and Set Timetable
| Time | Elevation | |
| 04549+1009 transit | 08:26 | 80° |
| 04549+1009 set | 14:25 | |
| Astrosession begin | 20:19 | -80° |
| Moon Rise, 75.6% illuminated | 22:41 | -54° |
| 04549+1009 rise | 02:23 | |
| Astrosession end | 05:50 | 51° |
| Civil sunrise | 06:39 | 62° |
| Sunrise | 07:02 | 67° |
| Moon Set | 11:07 | 48° |
Track 04549+1009 Position Throughout the Night
← Wed, 13 August 2025 →
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04549+1009 Star System Description
04549+1009 is Triple Star System located in constellation Orion at coordinates RA: 04h 54m 53s", Dec: 10° 09' 02s.
The primary component has a magnitude of 4.66, while the secondary component has a magnitude of 8.95. They are separated by 2.9 arcminutes at a position angle of 248 degrees. The brightness difference between the two components is 4.29 magnitudes, with the primary component being approximately 52 times brighter than the secondary.
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 4.66, while the secondary component has a magnitude of 8.95. They are separated by 2.9 arcminutes at a position angle of 248 degrees. The brightness difference between the two components is 4.29 magnitudes, with the primary component being approximately 52 times brighter than the secondary.
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 04549+1009
| Property | Value |
|---|---|
| Star System Identifier | 04549+1009 |
| System Type | Triple Star System |
| Primary Star | 7 Ori |
| Right Ascension (RA) | 4.91492 (04h 54m 53s") |
| Declination (Dec) | 10.15081 (10° 09' 02s) |
| Magnitude (Primary) | 4.66 |
| Magnitude (Secondary) | 8.95 |
| Spectral Type (Primary/Secondary) | A0V |
| Separation (Arcseconds) | 171.8 |
| Position Angle | 248° |
| Discovery Year | 1887 |
| Last Observed | 2014 |
| Primary Proper Motion (Ra, Dec) | +042-129 |
| Secondary Proper Motion (Ra, Dec) | +002-011 |
| Number of Observations | 20 |
04549+1009 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 8.95 | 171.8 | 248 |
| AC | 12.7 | 33.1 | 4 |
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 7 Ori
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| Object name | 04549+1009 |
| Field of view | |
| Limiting magnitude | |
| 04549+1009 coordinates | 4.91492, 10.15081 |
| Center coordinates | 4.91492, 10.15081 |
04549+1009 Passage Through Night
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Current position of 04549+1009
| Time | 00:05 |
| Latitude | 0 |
| Longitude | 0 |
| 04549+1009 elevation | -34° |
| 04549+1009 Azimuth | -78° |
Here you can see the current position of the 04549+1009 on the map, as well as its positions for rise and set. This tool allows you to track the 04549+1009's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 04549+1009
| Date | Thu, 14 August 2025 |
| Twighlight start | 20:15 |
| Twighlight end | 05:45 |
| Twighlight duration | 9h 30m |
| Rise | 02:20 |
| Set | 14:18 |
| Elevation at transit | 80° |
| Transit time | 08:19 |
| Equatorial coordinates | RA: 04h 54m 53s", Dec: 10° 09' 02s |
| Magnitude | 5 |
| Constellation | Orion |
The graph illustrates the annual visibility pattern of a 04549+1009, 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 04549+1009 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 04549+1009 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.