HR6240

Above the horizon. Rise: 19:13 | Tran: 23:49 | Set: 4:29

Alt: 0.38° Az: 116.30° Direction: South-South-West

HR6240 is a variable main-sequence star of spectral class A5 in the constellation of Ophiuchus.

HR6240 visual magnitude is 6.1. Because of its faintness, HR6240 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 HR6240. The red arrow shows the motion of HR6240 during the next 10000 years (2.00 arcmin in Right Ascension and 5.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 50m 55s

Declination -15° 42’ 36”

Hour Angle 19h 25m 28s

Sidereal Time 12h 16m 23s

J2000

Right Ascension 16h 49m 27s

Declination -15° 40’ 03”

Galactic Coordinates

Galactic Longitude 3.76°

Galactic Latitude 18.16°

Finder Chart

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Finder chart for HR6240.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.1

Class Main-sequence

Absolute magnitude 1.75

Spectral Type A5V

Color Index (B-V)

Temperature 10125K

The red dot in the diagram below shows where HR6240 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6240. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6240 is distant 242.02 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 74.24

Distance (light year) 242.02

Radial Speed -2 km/s

Proper Motion RA 0.012 arcsec/y

Proper Motion Dec 0.031"/y

Alternative Designations

Henry Draper Catalogue HD151676

SAO Catalogue SAO160116

Hipparcos Catalogue HIP82339

Durchmusterung Catalogue BD-15 4395

General Catalogue of Variable Stars V1010 Oph

Visibility from Your Location

Today's HR6240 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 105.7° RISE 19:13

Max altitude: 22.8° TRANSIT 23:49

Azimuth: 254.3° SET 4:29

	
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Set Location

Other stars in Ophiuchus