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Sky-Tonight.com/Double stars/p Eri
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Observation Settings

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This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
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p Eri Position and Visibility Tonight

01398-5612

Where is p Eri right now?

p Eri is located in the constellation Eridanus. It is currently above the horizon at an altitude of 31° toward the south-west, with an apparent magnitude of 5.78.
Open the interactive guide to p Eri’s position and path tonight

p Eri visibility on 2026-11-07

p Eri Visible from sunset until early morning

p Eri rise and set timetable

TimeElevation
Moonrise, 11% illuminated 03:1811°
Moonset15:40-8°
p Eri rise16:36
Sunset17:4610°
Civil sunset18:0813°
Twilight start (−12°)18:3316°
Astronomical observing session begins18:5819°
p Eri transit22:3534°
Astronomical observing session ends04:281°
p Eri set04:34

Track p Eri position throughout the night

← 7 November 2026 →

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

Star system description: p Eri

A double or multiple star system in Eridanus.

Pair AB has a measured separation of 11.3″; a telescope may be needed to split it.

The diagram uses the latest WDS measurements; north is up and east is right. Measurements may be from different years. Unconnected groups are arranged separately; close pairs may merge, and pairs without reliable geometry are omitted.

Technical details: p Eri

PropertyValue
System identifierWDS 01398-5612
Bayer / Flamsteed designationp Eri
ConstellationEridanus
System typedouble star system
Right ascension (RA)01h 39m 47s"
Declination (Dec)-56° 11' 35s
ComponentAB
Primary magnitude5.78
Secondary magnitude5.90
Separation (arcseconds)11.3″
Position angle185°
Discovery year1825
Last observed2024
Spectral type (primary/secondary)K0V+K5V
Number of observations178

Notes

  • T: Matching parallax and similar proper motion indicate a physical pair.

Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

Finder Chart for p Eri

Field of view 5.0°

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View on Sky Map

p Eri Passage Through Night

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Current position of p Eri

Time00:06
Latitude0
Longitude0
Elevation31°
Azimuth195°
Here you can see the current position of p Eri on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.

When Is p Eri Visible Throughout the Year?

p Eri will remain visible until January 27, when it moves too close to the Sun and temporarily disappears from the night sky. Time
DateSun, 8 November 2026
Astronomical observing session begins18:55
Astronomical observing session ends04:23
Astronomical observing duration9h 28m
Rise16:32
Set04:30
Elevation at transit34°
Transit time22:31
Equatorial coordinatesRA: 01h 39m 47s", Dec: -56° 11' 35s
Magnitude6
ConstellationEridanus
The graph illustrates the annual visibility pattern of p Eri, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when p Eri is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of p Eri

Coordinates and Visibility

Right Ascension01h 39m 48s
Declination-56° 11′ 36″
Magnitude5.78
ConstellationEridanus
Elevation30.9°
Azimuth194.5°