Double Star 09287+4536 Observation Details
09287+4536 Daily Motion
09287+4536 will be visible until June, 29, 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.
09287+4536 Visibility Timetable on September 19
09287+4536 Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 11.6% illuminated | 01:35 | 15° |
| 09287+4536 transit | 08:44 | 82° |
| Moon Set | 15:52 | 16° |
| Sunset | 17:08 | 6° |
| Civil sunset | 17:36 | 3° |
| 09287+4536 set | 18:08 | |
| Astrosession begin | 18:37 | -2° |
| 09287+4536 rise | 23:17 | |
| Astrosession end | 03:25 | 33° |
| Civil sunrise | 04:27 | 43° |
| Sunrise | 04:54 | 48° |
Track 09287+4536 Position Throughout the Night
← Fri, 19 September 2025 →
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Shift the map to change the time and observe 09287+4536 changing position in the night sky.
Where is 09287+4536 right now?
09287+4536 is located in the constellation Ursa Major, at right ascension 09h 28m 39s" and declination 45° 36' 06s. Although it is currently above the horizon at an altitude of 63 degrees, 09287+4536 is not visible because it is daytime.09287+4536 Star System Description
09287+4536 is Quadruple Star System located in constellation Ursa Major at coordinates RA: 09h 28m 39s", Dec: 45° 36' 06s.
The primary component has a magnitude of 5.50, while the secondary component has a magnitude of 7.80. They are separated by 1.5 arcminute at a position angle of 161 degrees. The brightness difference between the two components is 2.3 magnitudes, with the primary component being approximately 8.3 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 5.50, while the secondary component has a magnitude of 7.80. They are separated by 1.5 arcminute at a position angle of 161 degrees. The brightness difference between the two components is 2.3 magnitudes, with the primary component being approximately 8.3 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 09287+4536
| Property | Value |
|---|---|
| Star System Identifier | 09287+4536 |
| System Type | Quadruple Star System |
| Primary Star | 41 Lyn |
| Right Ascension (RA) | 9.47775 (09h 28m 39s") |
| Declination (Dec) | 45.60181 (45° 36' 06s) |
| Magnitude (Primary) | 5.50 |
| Magnitude (Secondary) | 7.80 |
| Spectral Type (Primary/Secondary) | K0III-IV |
| Separation (Arcseconds) | 87.0 |
| Position Angle | 161° |
| Discovery Year | 1800 |
| Last Observed | 2017 |
| Primary Proper Motion (Ra, Dec) | -007-128 |
| Secondary Proper Motion (Ra, Dec) | -016-045 |
| Number of Observations | 50 |
09287+4536 Components
| Component | Magnitude | Separation (arcseconds) | Position Angle |
| AB | 7.80 | 87.0 | 161 |
| AC | 10.93 | 83.5 | 80 |
| BC | 10.75 | 106.9 | 33 |
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 41 Lyn
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| Object name | 09287+4536 |
| Field of view | |
| Limiting magnitude | |
| 09287+4536 coordinates | 9.47775, 45.60181 |
| Center coordinates | 9.47775, 45.60181 |
09287+4536 Passage Through Night
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Current position of 09287+4536
| Time | 11:03 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 09287+4536 elevation | 63° |
| 09287+4536 Azimuth | 61° |
Here you can see the current position of the 09287+4536 on the map, as well as its positions for rise and set. This tool allows you to track the 09287+4536's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 09287+4536
| Date | Fri, 19 September 2025 |
| Twighlight start | 18:33 |
| Twighlight end | 03:19 |
| Twighlight duration | 9h 46m |
| Rise | 23:17 |
| Set | 18:04 |
| Elevation at transit | 82° |
| Transit time | 08:40 |
| Equatorial coordinates | RA: 09h 28m 39s", Dec: 45° 36' 06s |
| Magnitude | 6 |
| Constellation | Ursa Major |
The graph illustrates the annual visibility pattern of a 09287+4536, 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 09287+4536 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 09287+4536 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.
Astrometric & Physical Parameters of 09287+4536
Coordinates & Visibility
| Right Ascension | 9.47775° |
| Declination | 45.60181° |
| Magnitude | 5.50 |
| Constellation | Ursa Major |
| Elevation | 63° |
| Azimuth | 61.2° |