HR6642

Below the horizon. Rise: 11:35 | Tran: 19:16 | Set: 3:02

Alt: -15.60° Az: 25.80° Direction: North-North-East

HR6642 is a main-sequence star of spectral class A1 in the constellation of Hercules.

HR6642 visual magnitude is 6.12. Because of its faintness, HR6642 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 HR6642. The red arrow shows the motion of HR6642 during the next 10000 years (-1.00 arcmin in Right Ascension and 3.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 49m 52s

Declination +19° 14’ 55”

Hour Angle 13h 45m 27s

Sideral Time 07h 35m 20s

J2000

Right Ascension 17h 48m 47s

Declination +19° 15’ 19”

Galactic Coordinates

Galactic Longitude 43.97°

Galactic Latitude 22.16°

Finder Chart

Simplified finder chart for HR6642.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.12

Class Main-sequence

Absolute magnitude -0.25

Spectral Type A1V

Color Index (B-V) 0.02

Temperature 9882K

The red dot in the diagram below shows where HR6642 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6642. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6642 is distant 611.63 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 187.62

Distance (light year) 611.63

Radial Speed -25 km/s

Proper Motion RA -0.006 arcsec/y

Proper Motion Dec 0.022"/y

Alternative Designations

Henry Draper Catalogue HD162161

SAO Catalogue SAO103131

Hipparcos Catalogue HIP87192

Durchmusterung Catalogue BD+19 3435

Visibility from Your Location

Today's HR6642 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.8° RISE 11:35

Max altitude: 57.8° TRANSIT 19:16

Azimuth: 289.2° SET 3:02

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Hercules