π Tauri (pi Tauri)

Altitude: 52.2° Azimuth: 162.3° Direction: South-South-East

π Tauri is a giant star in the constellation of Taurus.

π Tauri visual magnitude is 4.69. Because of its moderate brightness, π Tauri should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about π Tauri:

Color of π Tauri ⬤

Magnitude of π Tauri 4.69

Class Giant

VISIBILITY RIGHT NOW

π Tauri (pi Tauri) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 52.2°
Azimuth: 162.3°
Direction: South-South-East

Celestial coordinates and finder chart of π Tauri

π Tauri is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of π Tauri are provided in the following table:

Right Ascension J2000 04h 26m 36s

Declination J2000 +14° 42’ 48”

Galactic Longitude 180.99°

Galactic Latitude -23.12°

Constellation Taurus

The simplified sky map below shows the position of π Tauri in the sky:

Simplified finder chart for π Tauri (pi Tauri).

Visibility of π Tauri from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's π Tauri (pi Tauri) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.3° RISE 22:00

Max altitude: 53.2° TRANSIT 5:19

Azimuth: 284.7° SET 12:34

Digitized Sky Survey image of π Tauri

The image below is a photograph of π Tauri from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of π Tauri is -0.002 arcsec per year in Right Ascension and -0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of π Tauri. The red arrow shows the motion of π Tauri during the next 10000 years (-0.33 arcmin in Right Ascension and -5.50 arcmin in declination);

Distance of π Tauri from the Sun and relative movement

π Tauri is distant 454.67 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

Distance (parsec) 139.47 pc

Distance (light year) 454.67 ly

Heliocentric radial velocity 32 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec -0.033 arcsec/year

Spectral properties of π Tauri

π Tauri belongs to spectral class G7 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.03

Spectral Type G7III

Color Index (B-V) 0.98

Temperature of π Tauri 4791K

The red dot in the diagram below shows where π Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of π Tauri. Attribution: Richard Powell / CC BY-SA

Alternative designations of π Tauri

Bayer designation π Tauri
(pi Tauri)

Flamsteed designation 73 Tauri

Henry Draper Catalogue HD28100

SAO Catalogue SAO93935

Hipparcos Catalogue HIP20732

Durchmusterung Catalogue BD+14 697

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