HR5654

Above the horizon. Rise: 9:01 | Tran: 16:40 | Set: 0:19

Alt: 8.27° Az: 69.97° Direction: East-North-East

HR5654 is a variable and double giant star of spectral class M4 in the constellation of Serpens.

HR5654 visual magnitude is 5.89. Because of its faintness, HR5654 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 HR5654. The red arrow shows the motion of HR5654 during the next 10000 years (-2.83 arcmin in Right Ascension and 0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 13m 11s

Declination +18° 53’ 02”

Hour Angle 17h 17m 13s

Sideral Time 08h 30m 25s

J2000

Right Ascension 15h 12m 04s

Declination +18° 58’ 32”

Galactic Coordinates

Galactic Longitude 26.32°

Galactic Latitude 56.76°

Finder Chart

Simplified finder chart for HR5654.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.89

Class Giant

Absolute magnitude -1.14

Spectral Type M4III

Color Index (B-V) 1.53

Temperature 3749K

The red dot in the diagram below shows where HR5654 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5654. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5654 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR5654 double sysyem:

Main star magnitude 5.89

Secondary star magnitude 7.79

Magnitude difference 1.9

Separation 0.5 arcsec

Distance, Radial Speed, Proper Motion

HR5654 is distant 829.52 light years from the Sun and it is moving towards the Sun at the speed of 35 kilometers per second.

Distance (parsec) 254.45

Distance (light year) 829.52

Radial Speed -35 km/s

Proper Motion RA -0.017 arcsec/y

Proper Motion Dec 0.005"/y

Alternative Designations

Henry Draper Catalogue HD134943

SAO Catalogue SAO101429

Hipparcos Catalogue HIP74386

Durchmusterung Catalogue BD+19 2935

FK5 Catalogue 3199

General Catalogue of Variable Stars FL Ser

Visibility from Your Location

Today's HR5654 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.1° RISE 9:01

Max altitude: 57.4° TRANSIT 16:40

Azimuth: 288.9° SET 0:19

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

Location

Other stars in Serpens