HR1227

Below the horizon. Never rises today

Alt: -79.05° Az: 257.08° Direction: West-South-West

HR1227 is a variable and double main-sequence star of spectral class A4 in the constellation of Dorado.

HR1227 visual magnitude is 6.46. Because of its faintness, HR1227 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 HR1227. The red arrow shows the motion of HR1227 during the next 10000 years (5.17 arcmin in Right Ascension and -6.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 55m 14s

Declination -52° 37’ 02”

Hour Angle 10h 48m 58s

Sidereal Time 14h 44m 12s

J2000

Right Ascension 03h 54m 33s

Declination -52° 41’ 26”

Galactic Coordinates

Galactic Longitude 262.79°

Galactic Latitude -47.64°

Finder Chart

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Finder chart for HR1227.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.46

Class Main-sequence

Absolute magnitude 1.31

Spectral Type A4V

Color Index (B-V) 0.16

Temperature 8486K

The red dot in the diagram below shows where HR1227 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1227. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1227 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR1227 double sysyem:

Main star magnitude 6.46

Secondary star magnitude 12.56

Magnitude difference 6.1

Separation 22.8 arcsec

Distance, Radial Speed, Proper Motion

HR1227 is distant 349.41 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

Distance (parsec) 107.18

Distance (light year) 349.41

Radial Speed 21 km/s

Proper Motion RA 0.031 arcsec/y

Proper Motion Dec -0.041"/y

Alternative Designations

Henry Draper Catalogue HD24863

SAO Catalogue SAO233321

Hipparcos Catalogue HIP18275

Durchmusterung Catalogue CP-53 628

FK5 Catalogue 2282

General Catalogue of Variable Stars 1419

Visibility from Your Location

HR1227 is currently not visible from Greenwich, UK

Set Location

Other stars in Dorado