HR6728

Below the horizon. Rise: 19:28 | Tran: 23:05 | Set: 2:42

Alt: -10.76° Az: 316.68° Direction: North-West

HR6728 is a variable hypergiant star of spectral class M0 in the constellation of Hercules.

HR6728 visual magnitude is 5.67. Because of its faintness, HR6728 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 HR6728. The red arrow shows the motion of HR6728 during the next 10000 years (1.33 arcmin in Right Ascension and -4.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 00m 39s

Declination +45° 30’ 05”

Hour Angle 04h 56m 23s

Sidereal Time 22h 57m 03s

J2000

Right Ascension 17h 59m 56s

Declination +45° 30’ 05”

Galactic Coordinates

Galactic Longitude 72.45°

Galactic Latitude 27.66°

Finder Chart

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Finder chart for HR6728.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.67

Class Hypergiant

Absolute magnitude -0.69

Spectral Type M0III

Color Index (B-V) 1.57

Temperature 3691K

The red dot in the diagram below shows where HR6728 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6728. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6728 is distant 610.49 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 187.27

Distance (light year) 610.49

Radial Speed -10 km/s

Proper Motion RA 0.008 arcsec/y

Proper Motion Dec -0.025"/y

Alternative Designations

Henry Draper Catalogue HD164646

SAO Catalogue SAO47121

Hipparcos Catalogue HIP88122

Durchmusterung Catalogue BD+45 2638

FK5 Catalogue 3433

General Catalogue of Variable Stars 9980

Visibility from Your Location

Today's HR6728 rise, transit and set times from South Grafton, Australia are the following (all times relative to the local timezone Australia/Sydney):

Azimuth: 44.5° RISE 19:28

Max altitude: 14.8° TRANSIT 23:05

Azimuth: 315.5° SET 2:42

Name:	South Grafton, Australia
Latitude:	29° 42' 27.4" S
Longitude:	152° 55' 33.6" E
Timezone:	Australia/Sydney

Set Location

Other stars in Hercules