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Sky-Tonight.com / Double Stars / 09276-0840 Star System
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Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Double Star 09276-0840 Observation Details

09276-0840

09276-0840 Daily Motion

09276-0840 will rise at 03:11, during twilight, and will ascend to 9° by the time twilight ends at 03:55.
09276-0840 will become visible in October, 14. After being too close to the Sun to observe, it will reappear in the night sky. Starting from October, 14, 09276-0840 can be seen again, providing a good opportunity for observation.

09276-0840 Visibility Timetable on September 18

09276-0840 Rise and Set Timetable

TimeElevation
Moon Rise, 19.7% illuminated00:26-33°
09276-0840 transit08:4744°
09276-0840 set14:20
Moon Set15:21-12°
Astrosession begin18:39-49°
09276-0840 rise03:11
Astrosession end03:243°
Civil sunrise04:2614°
Sunrise04:5319°

Track 09276-0840 Position Throughout the Night

← Thu, 18 September 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe 09276-0840 changing position in the night sky.

Where is 09276-0840 right now?

09276-0840 is located in the constellation Hydra, at right ascension 09h 27m 35s" and declination -8° 39' 31s. At the current time, it is below the horizon and not visible from your location.

09276-0840 Star System Description

09276-0840 is Triple Star System located in constellation Hydra at coordinates RA: 09h 27m 35s", Dec: -8° 39' 31s.
The primary component has a magnitude of 1.98, while the secondary component has a magnitude of 9.7. They are separated by 4.8 arcminutes at a position angle of 155 degrees. The brightness difference between the two components is 7.72 magnitudes, with the primary component being approximately 1224.6 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 09276-0840

Property Value
Star System Identifier 09276-0840
System Type Triple Star System
Primary Star alp Hya
Right Ascension (RA) 9.45978 (09h 27m 35s")
Declination (Dec) -8.65869 (-8° 39' 31s)
Magnitude (Primary) 1.98
Magnitude (Secondary) 9.7
Spectral Type (Primary/Secondary) K3II-III
Separation (Arcseconds) 285.0
Position Angle 155°
Discovery Year 1833
Last Observed 2015
Primary Proper Motion (Ra, Dec) -014+033
Secondary Proper Motion (Ra, Dec)
Number of Observations 11

09276-0840 Components

ComponentMagnitudeSeparation (arcseconds)Position Angle
AB9.7285.0155
AC.210.090

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 alp Hya

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Object name09276-0840
Field of view
Limiting magnitude
09276-0840 coordinates9.45978, -8.65869
Center coordinates9.45978, -8.65869

09276-0840 Passage Through Night

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Current position of 09276-0840

Time21:32
Latitude37.3541
Longitude-121.955
09276-0840 elevation-59°
09276-0840 Azimuth-23°
Here you can see the current position of the 09276-0840 on the map, as well as its positions for rise and set. This tool allows you to track the 09276-0840's movement throughout the night, providing you with accurate and up-to-date information.

Annual motion of 09276-0840

Time
DateFri, 19 September 2025
Twighlight start18:37
Twighlight end03:23
Twighlight duration9h 46m
Rise03:07
Set14:12
Elevation at transit44°
Transit time08:39
Equatorial coordinatesRA: 09h 27m 35s", Dec: -8° 39' 31s
Magnitude2
ConstellationHydra
The graph illustrates the annual visibility pattern of a 09276-0840, 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 09276-0840 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 09276-0840

Coordinates & Visibility

Right Ascension9.45978°
Declination-8.65869°
Magnitude1.98
ConstellationHydra
Elevation-59.4°
Azimuth-23.1°