η Crateris (eta Crateris)

Above the horizon. Rise: 14:22 | Tran: 18:48 | Set: 23:15

Alt: 9.20° Az: 133.40° Direction: South-West

η Crateris is a variable hypergiant star of spectral class A0 in the constellation of Crater.

η Crateris visual magnitude is 5.18. Because of its faintness, η Crateris is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of η Crateris. The red arrow shows the motion of η Crateris during the next 10000 years (-8.50 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 57m 19s

Declination -17° 17’ 33”

Hour Angle 20h 45m 12s

Sidereal Time 08h 42m 31s

J2000

Right Ascension 11h 56m 00s

Declination -17° 09’ 02”

Galactic Coordinates

Galactic Longitude 284.47°

Galactic Latitude 43.73°

Finder Chart

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Finder chart for η Crateris (eta Crateris).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.18

Class Hypergiant

Absolute magnitude 0.47

Spectral Type A0V

Color Index (B-V) -0.02

Temperature 10382K

The red dot in the diagram below shows where η Crateris is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

η Crateris is distant 285.46 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 87.57

Distance (light year) 285.46

Radial Speed 15 km/s

Proper Motion RA -0.051 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Bayer designation η Crateris
(eta Crateris)

Flamsteed designation 30 Crateris

Henry Draper Catalogue HD103632

SAO Catalogue SAO156988

Hipparcos Catalogue HIP58188

Durchmusterung Catalogue BD-16 3358

FK5 Catalogue 1309

General Catalogue of Variable Stars 5392

Visibility from Your Location

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

Azimuth: 107.3° RISE 14:22

Max altitude: 21.2° TRANSIT 18:48

Azimuth: 252.7° SET 23:15

Set Location

Other stars in Crater