HR4491

Below the horizon. Rise: 16:16 | Tran: 20:46 | Set: 1:19

Alt: -52.30° Az: 29.73° Direction: North-North-East

HR4491 is a variable giant star of spectral class M3 in the constellation of Crater.

HR4491 visual magnitude is 6.19. Because of its faintness, HR4491 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 HR4491. The red arrow shows the motion of HR4491 during the next 10000 years (-1.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 41m 07s

Declination -16° 45’ 39”

Hour Angle 13h 13m 51s

Sidereal Time 00h 54m 59s

J2000

Right Ascension 11h 39m 50s

Declination -16° 37’ 13”

Galactic Coordinates

Galactic Longitude 279.21°

Galactic Latitude 42.93°

Finder Chart

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Finder chart for HR4491.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.19

Class Giant

Absolute magnitude -1.27

Spectral Type M3III

Color Index (B-V) 1.62

Temperature 3622K

The red dot in the diagram below shows where HR4491 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4491. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4491 is distant 1,012.42 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

Distance (parsec) 310.56

Distance (light year) 1,012.42

Radial Speed 26 km/s

Proper Motion RA -0.01 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD101370

SAO Catalogue SAO156819

Hipparcos Catalogue HIP56899

Durchmusterung Catalogue BD-15 3323

General Catalogue of Variable Stars 5284

Visibility from Your Location

Today's HR4491 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.8° RISE 16:16

Max altitude: 21.8° TRANSIT 20:46

Azimuth: 253.2° SET 1:19

Set Location

Other stars in Crater