HR6521

Below the horizon. Rise: 12:03 | Tran: 19:02 | Set: 2:05

Alt: -24.95° Az: 341.79° Direction: North-North-West

HR6521 is a main-sequence star of spectral class A1 in the constellation of Ophiuchus.

HR6521 visual magnitude is 6.39. Because of its faintness, HR6521 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 HR6521. The red arrow shows the motion of HR6521 during the next 10000 years (-4.33 arcmin in Right Ascension and 8.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 31m 31s

Declination +11° 54’ 27”

Hour Angle 10h 52m 40s

Sideral Time 04h 24m 12s

J2000

Right Ascension 17h 30m 22s

Declination +11° 55’ 30”

Galactic Coordinates

Galactic Longitude 34.76°

Galactic Latitude 23.32°

Finder Chart

Simplified finder chart for HR6521.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Main-sequence

Absolute magnitude 1.51

Spectral Type A1V

Color Index (B-V) 0.06

Temperature 9434K

The red dot in the diagram below shows where HR6521 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6521. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6521 is distant 309.00 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 94.79

Distance (light year) 309.00

Radial Speed -25 km/s

Proper Motion RA -0.026 arcsec/y

Proper Motion Dec 0.053"/y

Alternative Designations

Henry Draper Catalogue HD158716

SAO Catalogue SAO102869

Hipparcos Catalogue HIP85666

Durchmusterung Catalogue BD+12 3234

Visibility from Your Location

Today's HR6521 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.1° RISE 12:03

Max altitude: 50.4° TRANSIT 19:02

Azimuth: 281.9° SET 2:05

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

Location

Other stars in Ophiuchus