HR3790

Below the horizon. Rise: 8:54 | Tran: 10:33 | Set: 12:12

Alt: -18.48° Az: 124.83° Direction: South-East

HR3790 is a multiple giant star of spectral class K4 in the constellation of Antlia.

HR3790 visual magnitude is 5.87. Because of its faintness, HR3790 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 HR3790. The red arrow shows the motion of HR3790 during the next 1000 years (2.38 arcmin in Right Ascension and -2.95 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 32m 34s

Declination -35° 49’ 29”

Hour Angle 19h 04m 50s

Sideral Time 04h 37m 25s

J2000

Right Ascension 09h 31m 32s

Declination -35° 42’ 54”

Galactic Coordinates

Galactic Longitude 263.56°

Galactic Latitude 11.45°

Finder Chart

Simplified finder chart for HR3790.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.87

Class Giant

Absolute magnitude 1.16

Spectral Type K4III

Color Index (B-V) 1.29

Temperature 4139K

The red dot in the diagram below shows where HR3790 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3790. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3790 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 HR3790 double sysyem:

Main star magnitude 5.87

Secondary star magnitude 14.07

Magnitude difference 8.2

Separation 23.6 arcsec

Distance, Radial Speed, Proper Motion

HR3790 is distant 284.97 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 87.41

Distance (light year) 284.97

Radial Speed 14 km/s

Proper Motion RA 0.143 arcsec/y

Proper Motion Dec -0.177"/y

Alternative Designations

Henry Draper Catalogue HD82514

SAO Catalogue SAO200462

Hipparcos Catalogue HIP46736

Durchmusterung Catalogue CD-35 5751

Visibility from Your Location

Today's HR3790 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.8° RISE 8:54

Max altitude: 2.7° TRANSIT 10:33

Azimuth: 234.2° SET 12:12

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

Location

Other stars in Antlia