HR7491

Below the horizon. Rise: 1:41 | Tran: 2:43 | Set: 3:45

Alt: -43.67° Az: 98.70° Direction: South

HR7491 is a star of spectral class B8 in the constellation of Sagittarius.

HR7491 visual magnitude is 6.16. Because of its faintness, HR7491 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 HR7491. The red arrow shows the motion of HR7491 during the next 10000 years (1.00 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 45m 19s

Declination -37° 28’ 35”

Hour Angle 16h 17m 06s

Sidereal Time 12h 02m 25s

J2000

Right Ascension 19h 43m 37s

Declination -37° 32’ 20”

Galactic Coordinates

Galactic Longitude 2.12°

Galactic Latitude -25.92°

Finder Chart

Loading map...

Finder chart for HR7491.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.16

Class

Absolute magnitude -0.93

Spectral Type B8

Color Index (B-V) 0.01

Temperature 10002K

The red dot in the diagram below shows where HR7491 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7491. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7491 is distant 853.40 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

Distance (parsec) 261.78

Distance (light year) 853.40

Radial Speed -29 km/s

Proper Motion RA 0.006 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Henry Draper Catalogue HD186042

SAO Catalogue SAO211506

Hipparcos Catalogue HIP97067

Durchmusterung Catalogue CD-3713322

FK5 Catalogue 3576

Visibility from Your Location

Today's HR7491 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.5° RISE 1:41

Max altitude: 1.0° TRANSIT 2:43

Azimuth: 232.5° SET 3:45

Set Location

Other stars in Sagittarius