HR6621

Below the horizon. Rise: 20:42 | Tran: 0:29 | Set: 4:17

Alt: -68.69° Az: 24.96° Direction: North-North-East

HR6621 is a variable sub-giant star of spectral class B4 in the constellation of Sagittarius.

HR6621 visual magnitude is 6.35. Because of its faintness, HR6621 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 HR6621. The red arrow shows the motion of HR6621 during the next 10000 years (0.00 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 50m 03s

Declination -26° 58’ 53”

Hour Angle 12h 39m 38s

Sidereal Time 06h 29m 42s

J2000

Right Ascension 17h 48m 27s

Declination -26° 58’ 30”

Galactic Coordinates

Galactic Longitude 2°

Galactic Latitude 0.48°

Finder Chart

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Finder chart for HR6621.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.35

Class Sub-giant

Absolute magnitude -1.36

Spectral Type B4IV

Color Index (B-V) 0.12

Temperature 8839K

The red dot in the diagram below shows where HR6621 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6621. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6621 is distant 1,135.89 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 348.43

Distance (light year) 1,135.89

Radial Speed 9 km/s

Proper Motion Dec -0.012"/y

Alternative Designations

Henry Draper Catalogue HD161756

SAO Catalogue SAO185779

Hipparcos Catalogue HIP87163

Durchmusterung Catalogue CD-2612367

General Catalogue of Variable Stars V3894 Sgr

Visibility from Your Location

Today's HR6621 rise, transit and set times from Bayanbulag, Mongolia are the following (all times relative to the local timezone Asia/Ulaanbaatar):

Azimuth: 117.0° RISE 20:42

Max altitude: 16.2° TRANSIT 0:29

Azimuth: 243.0° SET 4:17

Name:	Bayanbulag, Mongolia
Latitude:	46° 48' 35.3" N
Longitude:	98° 5' 24.4" E
Timezone:	Asia/Ulaanbaatar

Set Location

Other stars in Sagittarius