ρ Serpentis (rho Serpentis)

Below the horizon. Rise: 9:27 | Tran: 17:19 | Set: 1:15

Alt: -3.09° Az: 50.09° Direction: North-East

ρ Serpentis is a variable giant star of spectral class K5 in the constellation of Serpens.

ρ Serpentis visual magnitude is 4.76. Because of its moderate brightness, ρ Serpentis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ρ Serpentis (rho Serpentis) star

DSS2 image of ρ Serpentis. The red arrow shows the motion of ρ Serpentis during the next 10000 years (-8.83 arcmin in Right Ascension and 3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 52m 21s

Declination +20° 54’ 17”

Hour Angle 15h 40m 18s

Sideral Time 07h 32m 39s

J2000

Right Ascension 15h 51m 15s

Declination +20° 58’ 40”

Galactic Coordinates

Galactic Longitude 34.44°

Galactic Latitude 48.7°

Finder Chart

Simplified finder chart for ρ Serpentis (rho Serpentis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.76

Class Giant

Absolute magnitude -0.66

Spectral Type K5III

Color Index (B-V) 1.54

Temperature 3734K

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

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

Distance, Radial Speed, Proper Motion

ρ Serpentis is distant 394.67 light years from the Sun and it is moving towards the Sun at the speed of 62 kilometers per second.

Distance (parsec) 121.07

Distance (light year) 394.67

Radial Speed -62 km/s

Proper Motion RA -0.053 arcsec/y

Proper Motion Dec 0.019"/y

Alternative Designations

Bayer designation ρ Serpentis
(rho Serpentis)

Flamsteed designation 38 Serpentis

Henry Draper Catalogue HD141992

SAO Catalogue SAO84037

Hipparcos Catalogue HIP77661

Durchmusterung Catalogue BD+21 2829

General Catalogue of Variable Stars 7300

Visibility from Your Location

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

Azimuth: 69.1° RISE 9:27

Max altitude: 59.4° TRANSIT 17:19

Azimuth: 290.9° SET 1:15

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

Location

Other stars in Serpens