43 Serpentis

Above the horizon. Rise: 11:09 | Tran: 17:32 | Set: 23:55

Alt: 5.24° Az: 271.32° Direction: West

43 Serpentis is a double giant star of spectral class G9 in the constellation of Serpens.

43 Serpentis visual magnitude is 6.08. Because of its faintness, 43 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 43 Serpentis. The red arrow shows the motion of 43 Serpentis during the next 10000 years (-6.83 arcmin in Right Ascension and 2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 04m 59s

Declination +04° 55’ 12”

Hour Angle 05h 51m 03s

Sideral Time 21h 56m 02s

J2000

Right Ascension 16h 03m 45s

Declination +04° 59’ 12”

Galactic Coordinates

Galactic Longitude 15.97°

Galactic Latitude 39.2°

Finder Chart

Simplified finder chart for 43 Serpentis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.08

Class Giant

Absolute magnitude 0.69

Spectral Type G9III

Color Index (B-V) 0.96

Temperature 4841K

The red dot in the diagram below shows where 43 Serpentis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 43 Serpentis. Attribution: Richard Powell / CC BY-SA

Star System Properties

43 Serpentis 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 43 Serpentis double sysyem:

Main star magnitude 6.08

Secondary star magnitude 13.88

Magnitude difference 7.8

Separation 30.8 arcsec

Distance, Radial Speed, Proper Motion

43 Serpentis is distant 389.49 light years from the Sun and it is moving towards the Sun at the speed of 44 kilometers per second.

Distance (parsec) 119.47

Distance (light year) 389.49

Radial Speed -44 km/s

Proper Motion RA -0.041 arcsec/y

Proper Motion Dec 0.012"/y

Alternative Designations

Flamsteed designation 43 Serpentis

Henry Draper Catalogue HD144046

SAO Catalogue SAO121339

Hipparcos Catalogue HIP78685

Durchmusterung Catalogue BD+05 3131

Visibility from Your Location

Today's 43 Serpentis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 85.1° RISE 11:09

Max altitude: 43.4° TRANSIT 17:32

Azimuth: 274.9° SET 23:55

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

Location

Other stars in Serpens