HR7398

Above the horizon. Rise: 11:03 | Tran: 14:24 | Set: 17:44

Alt: 1.65° Az: 220.21° Direction: South-West

HR7398 is a double giant star of spectral class K3 in the constellation of Sagittarius.

HR7398 visual magnitude is 5.52. Because of its faintness, HR7398 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 HR7398. The red arrow shows the motion of HR7398 during the next 10000 years (5.67 arcmin in Right Ascension and -6.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 31m 24s

Declination -26° 55’ 55”

Hour Angle 03h 05m 27s

Sidereal Time 22h 36m 52s

J2000

Right Ascension 19h 29m 52s

Declination -26° 59’ 08”

Galactic Coordinates

Galactic Longitude 12°

Galactic Latitude -19.83°

Finder Chart

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Finder chart for HR7398.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.52

Class Giant

Absolute magnitude 1.06

Spectral Type K3III

Color Index (B-V) 1.12

Temperature 4472K

The red dot in the diagram below shows where HR7398 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7398. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7398 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7398 double sysyem:

Main star magnitude 5.52

Secondary star magnitude 9.02

Magnitude difference 3.5

Separation 7.6 arcsec

Distance, Radial Speed, Proper Motion

HR7398 is distant 253.70 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

Distance (parsec) 77.82

Distance (light year) 253.70

Radial Speed -31 km/s

Proper Motion RA 0.034 arcsec/y

Proper Motion Dec -0.041"/y

Alternative Designations

Henry Draper Catalogue HD183275

SAO Catalogue SAO188192

Hipparcos Catalogue HIP95865

Durchmusterung Catalogue CD-2714004

Gliese Catalogue Wo 9657 A

Aitken Double Star Catalogue ADS12506

Visibility from Your Location

Today's HR7398 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.9° RISE 11:03

Max altitude: 11.6° TRANSIT 14:24

Azimuth: 243.1° SET 17:44

Set Location

Other stars in Sagittarius