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Sky-Tonight.com/Double stars/φ Tau
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Observation Settings

Or select it on the map:
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.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

φ Tau Position and Visibility Tonight

04204+2721

Where is φ Tau right now?

φ Tau is located in the constellation Taurus. It is currently above the horizon at an altitude of 34° toward the east, with an apparent magnitude of 5.08.
Open the interactive guide to φ Tau’s position and path tonight

φ Tau visibility on 2026-10-24

φ Tau Visible from before midnight until sunrise

φ Tau rise and set timetable

TimeElevation
Moonrise, 88% illuminated 14:51-22°
φ Tau rise17:45
Astronomical observing session begins17:470°
φ Tau transit01:1680°
Moonset03:4757°
Astronomical observing session ends03:5755°
Twilight end (−12°)04:2749°
Civil sunrise04:5843°
Sunrise05:2537°
φ Tau set08:48

Track φ Tau position throughout the night

← 24 October 2026 →

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

Star system description: φ Tau

A double or multiple star system in Taurus.

No reliable observing recommendation is available for the measured pair.

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: φ Tau

PropertyValue
System identifierWDS 04204+2721
Bayer / Flamsteed designationφ Tau
ConstellationTaurus
System typemultiple star system
Right ascension (RA)04h 20m 21s"
Declination (Dec)27° 21' 03s
ComponentAB
Primary magnitude5.08
Secondary magnitude7.51
Separation (arcseconds)48.7″
Position angle259°
Discovery year1832
Last observed2017
Spectral type (primary/secondary)K2III
Number of observations49

3 components are identified in WDS; this is not a count of resolved stars.

Components of φ Tau

Each row is a separate WDS component pair. Measurements may come from different years.

ComponentPrimary magnitudeSecondary magnitudeSeparation (arcseconds)Position angleLast observed
AB5.087.5148.7″259°2017
AC5.0812.27118.1″25°2001

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

Finder Chart for φ Tau

Field of view 5.0°

Loading finder chart…
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View on Sky Map

φ Tau Passage Through Night

Double-click to unlock the map.

Current position of φ Tau

Time20:50
Latitude37.3541
Longitude-121.955
Elevation34°
Azimuth79°
Here you can see the current position of φ Tau 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 φ Tau Visible Throughout the Year?

φ Tau will remain visible until April 16, when it moves too close to the Sun and temporarily disappears from the night sky. Time
DateSun, 25 October 2026
Astronomical observing session begins17:45
Astronomical observing session ends03:55
Astronomical observing duration10h 10m
Rise17:41
Set08:44
Elevation at transit80°
Transit time01:12
Equatorial coordinatesRA: 04h 20m 21s", Dec: 27° 21' 03s
Magnitude5
ConstellationTaurus
The graph illustrates the annual visibility pattern of φ Tau, 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 φ Tau is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of φ Tau

Coordinates and Visibility

Right Ascension04h 20m 21s
Declination27° 21′ 03″
Magnitude5.08
ConstellationTaurus
Elevation33.8°
Azimuth79.4°