δ Indi (delta Indi)

Below the horizon. Never rises today

Alt: -17.81° Az: 192.67° Direction: South-South-West

δ Indi is a double hypergiant star of spectral class F0 in the constellation of Indus.

δ Indi visual magnitude is 4.4. Because of its moderate brightness, δ Indi 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 δ Indi. The red arrow shows the motion of δ Indi during the next 10000 years (8.00 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 59m 37s

Declination -54° 52’ 13”

Hour Angle 01h 25m 06s

Sidereal Time 23h 24m 44s

J2000

Right Ascension 21h 57m 55s

Declination -54° 59’ 32”

Galactic Coordinates

Galactic Longitude 339.11°

Galactic Latitude -48.12°

Finder Chart

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Finder chart for δ Indi (delta Indi).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.4

Class Hypergiant

Absolute magnitude 0.63

Spectral Type F0IV

Color Index (B-V) 0.28

Temperature 7591K

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

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

Star System Properties

δ Indi 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 δ Indi double sysyem:

Main star magnitude 4.4

Secondary star magnitude 4.5

Magnitude difference 0.1

Separation 0.1 arcsec

Distance, Radial Speed, Proper Motion

δ Indi is distant 184.70 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 56.66

Distance (light year) 184.70

Radial Speed 15 km/s

Proper Motion RA 0.048 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Bayer designation δ Indi
(delta Indi)

Henry Draper Catalogue HD208450

SAO Catalogue SAO247244

Hipparcos Catalogue HIP108431

Durchmusterung Catalogue CP-55 9733

FK5 Catalogue 824

Visibility from Your Location

δ Indi (delta Indi) is currently not visible from Greenwich, UK

Set Location

Other stars in Indus