49 Librae

Above the horizon. Rise: 18:25 | Tran: 22:56 | Set: 3:30

Alt: 21.21° Az: 191.59° Direction: South-West

49 Librae is a double main-sequence star of spectral class F8 in the constellation of Libra.

49 Librae visual magnitude is 5.47. Because of its faintness, 49 Librae 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 49 Librae. The red arrow shows the motion of 49 Librae during the next 1000 years (-10.50 arcmin in Right Ascension and -6.57 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 01m 46s

Declination -16° 36’ 13”

Hour Angle 00h 45m 05s

Sidereal Time 16h 46m 52s

J2000

Right Ascension 16h 00m 19s

Declination -16° 31’ 59”

Galactic Coordinates

Galactic Longitude 354.92°

Galactic Latitude 26.72°

Finder Chart

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Finder chart for 49 Librae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.47

Class Main-sequence

Absolute magnitude 2.89

Spectral Type F8V

Color Index (B-V) 0.52

Temperature 6300K

The red dot in the diagram below shows where 49 Librae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 49 Librae. Attribution: Richard Powell / CC BY-SA

Star System Properties

49 Librae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 49 Librae double sysyem:

Main star magnitude 5.47

Secondary star magnitude 11.07

Magnitude difference 5.6

Separation 155.1 arcsec

Distance, Radial Speed, Proper Motion

49 Librae is distant 106.92 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 32.80

Distance (light year) 106.92

Radial Speed -25 km/s

Proper Motion RA -0.63 arcsec/y

Proper Motion Dec -0.394"/y

Alternative Designations

Flamsteed designation 49 Librae

Henry Draper Catalogue HD143333

SAO Catalogue SAO159625

Hipparcos Catalogue HIP78400

Durchmusterung Catalogue BD-16 4196

Gliese Catalogue NN 3931

FK5 Catalogue 1419

Visibility from Your Location

Today's 49 Librae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.6° RISE 18:25

Max altitude: 21.9° TRANSIT 22:56

Azimuth: 253.4° SET 3:30

Set Location

Other stars in Libra