τ Piscium (tau Piscium)

Above the horizon. Rise: 23:01 | Tran: 8:10 | Set: 17:15

Alt: 7.96° Az: 50.16° Direction: South-South-West

τ Piscium is a hypergiant star of spectral class K0 in the constellation of Pisces.

τ Piscium visual magnitude is 4.51. Because of its moderate brightness, τ Piscium is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of τ Piscium. The red arrow shows the motion of τ Piscium during the next 10000 years (12.00 arcmin in Right Ascension and -5.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 01h 13m 04s

Declination +30° 13’ 28”

Hour Angle 16h 06m 38s

Sidereal Time 17h 19m 42s

J2000

Right Ascension 01h 11m 39s

Declination +30° 05’ 22”

Galactic Coordinates

Galactic Longitude 128.12°

Galactic Latitude -32.58°

Finder Chart

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Finder chart for τ Piscium (tau Piscium).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.51

Class Hypergiant

Absolute magnitude 1.03

Spectral Type K0III

Color Index (B-V) 1.09

Temperature 4537K

The red dot in the diagram below shows where τ Piscium is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

τ Piscium is distant 162.11 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 49.73

Distance (light year) 162.11

Radial Speed 30 km/s

Proper Motion RA 0.072 arcsec/y

Proper Motion Dec -0.035"/y

Alternative Designations

Bayer designation τ Piscium
(tau Piscium)

Flamsteed designation 83 Piscium

Henry Draper Catalogue HD7106

SAO Catalogue SAO74546

Hipparcos Catalogue HIP5586

Durchmusterung Catalogue BD+29 190

FK5 Catalogue 43

Visibility from Your Location

Today's τ Piscium (tau Piscium) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 59.8° RISE 23:01

Max altitude: 68.7° TRANSIT 8:10

Azimuth: 300.2° SET 17:15

Set Location

Other stars in Pisces