Saiph - κ Orionis (kappa Orionis)

Below the horizon. Rise: 7:24 | Tran: 12:33 | Set: 17:42

Alt: -36.65° Az: 53.21° Direction: South-South-West

Saiph, also designated as κ Orionis (kappa Orionis), is a variable hypergiant star of spectral class B0 in the constellation of Orion.

Saiph visual magnitude is 2.06, making it the 56th brightest star in the sky. Because of its brightness, Saiph is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Saiph - κ Orionis (kappa Orionis) star

DSS2 image of Saiph. The red arrow shows the motion of Saiph during the next 100000 years (3.33 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 48m 57s

Declination -09° 39’ 45”

Hour Angle 14h 42m 40s

Sidereal Time 20h 31m 38s

J2000

Right Ascension 05h 47m 45s

Declination -09° 40’ 10”

Galactic Coordinates

Galactic Longitude 214.51°

Galactic Latitude -18.5°

Finder Chart

Loading map...

Finder chart for Saiph - κ Orionis (kappa Orionis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 2.06

Class Hypergiant

Absolute magnitude -4.66

Spectral Type B0I

Color Index (B-V) -0.17

Temperature 12902K

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

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

Distance, Radial Speed, Proper Motion

Saiph is distant 721.24 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

Distance (parsec) 221.24

Distance (light year) 721.24

Radial Speed 21 km/s

Proper Motion RA 0.002 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Proper Name Saiph

Bayer designation κ Orionis
(kappa Orionis)

Flamsteed designation 53 Orionis

Henry Draper Catalogue HD38771

SAO Catalogue SAO132542

Hipparcos Catalogue HIP27366

Durchmusterung Catalogue BD-09 1235

FK5 Catalogue 220

General Catalogue of Variable Stars 2641

Visibility from Your Location

Today's Saiph - κ Orionis (kappa Orionis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.7° RISE 7:24

Max altitude: 28.9° TRANSIT 12:33

Azimuth: 260.3° SET 17:42

Set Location

Other stars in Orion