45 Serpentis

Above the horizon. Rise: 23:54 | Tran: 6:46 | Set: 13:34

Alt: 6.74° Az: 82.68° Direction: East

45 Serpentis is a main-sequence star of spectral class A7 in the constellation of Serpens.

45 Serpentis visual magnitude is 5.63. Because of its faintness, 45 Serpentis 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 45 Serpentis. The red arrow shows the motion of 45 Serpentis during the next 10000 years (-3.50 arcmin in Right Ascension and -0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 08m 49s

Declination +09° 49’ 34”

Hour Angle 17h 53m 58s

Sidereal Time 10h 02m 48s

J2000

Right Ascension 16h 07m 37s

Declination +09° 53’ 30”

Galactic Coordinates

Galactic Longitude 22.16°

Galactic Latitude 40.77°

Finder Chart

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Finder chart for 45 Serpentis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.63

Class Main-sequence

Absolute magnitude 1.05

Spectral Type A7V

Color Index (B-V) 0.2

Temperature 8163K

The red dot in the diagram below shows where 45 Serpentis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 45 Serpentis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

45 Serpentis is distant 268.98 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

Distance (parsec) 82.51

Distance (light year) 268.98

Radial Speed -28 km/s

Proper Motion RA -0.021 arcsec/y

Proper Motion Dec -0.004"/y

Alternative Designations

Flamsteed designation 45 Serpentis

Henry Draper Catalogue HD144874

SAO Catalogue SAO101939

Hipparcos Catalogue HIP79007

Durchmusterung Catalogue BD+10 2958

FK5 Catalogue 3274

Visibility from Your Location

Today's 45 Serpentis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.2° RISE 23:54

Max altitude: 48.3° TRANSIT 6:46

Azimuth: 279.8° SET 13:34

Set Location

Other stars in Serpens