τ5 Serpentis (tau5 Serpentis)

Below the horizon. Rise: 9:31 | Tran: 16:53 | Set: 0:15

Alt: -17.27° Az: 328.77° Direction: North-North-West

τ5 Serpentis is a main-sequence star of spectral class F3 in the constellation of Serpens.

τ5 Serpentis visual magnitude is 5.93. Because of its faintness, τ5 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.

Image of τ5 Serpentis (tau5 Serpentis) star

DSS2 image of τ5 Serpentis. The red arrow shows the motion of τ5 Serpentis during the next 10000 years (12.67 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 37m 37s

Declination +16° 02’ 18”

Hour Angle 09h 55m 59s

Sideral Time 01h 33m 36s

J2000

Right Ascension 15h 36m 29s

Declination +16° 07’ 08”

Galactic Coordinates

Galactic Longitude 25.54°

Galactic Latitude 50.29°

Finder Chart

Simplified finder chart for τ5 Serpentis (tau5 Serpentis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.93

Class Main-sequence

Absolute magnitude 2.48

Spectral Type F3V

Color Index (B-V) 0.29

Temperature 7526K

The red dot in the diagram below shows where τ5 Serpentis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of τ5 Serpentis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

τ5 Serpentis is distant 159.80 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 49.02

Distance (light year) 159.80

Radial Speed -2 km/s

Proper Motion RA 0.076 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Bayer designation τ5 Serpentis
(tau5 Serpentis)

Flamsteed designation 18 Serpentis

Henry Draper Catalogue HD139225

SAO Catalogue SAO101642

Hipparcos Catalogue HIP76424

Durchmusterung Catalogue BD+16 2807

Visibility from Your Location

Today's τ5 Serpentis (tau5 Serpentis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.0° RISE 9:31

Max altitude: 54.6° TRANSIT 16:53

Azimuth: 286.0° SET 0:15

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

Location

Other stars in Serpens