HR3704

Below the horizon. Rise: 14:15 | Tran: 18:49 | Set: 23:24

Alt: -25.23° Az: 275.99° Direction: West

HR3704 is a double giant star of spectral class K4 in the constellation of Hydra.

HR3704 visual magnitude is 5.78. Because of its faintness, HR3704 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 HR3704. The red arrow shows the motion of HR3704 during the next 10000 years (8.67 arcmin in Right Ascension and -7.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 20m 45s

Declination -15° 56’ 33”

Hour Angle 07h 22m 39s

Sidereal Time 16h 43m 24s

J2000

Right Ascension 09h 19m 33s

Declination -15° 50’ 03”

Galactic Coordinates

Galactic Longitude 246.36°

Galactic Latitude 23.03°

Finder Chart

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Finder chart for HR3704.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.78

Class Giant

Absolute magnitude 0.33

Spectral Type K4III

Color Index (B-V) 1.29

Temperature 4139K

The red dot in the diagram below shows where HR3704 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3704. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3704 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 HR3704 double sysyem:

Main star magnitude 5.78

Secondary star magnitude 10.78

Magnitude difference 5

Separation 4.1 arcsec

Distance, Radial Speed, Proper Motion

HR3704 is distant 400.49 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.

Distance (parsec) 122.85

Distance (light year) 400.49

Radial Speed -30 km/s

Proper Motion RA 0.052 arcsec/y

Proper Motion Dec -0.046"/y

Alternative Designations

Henry Draper Catalogue HD80479

SAO Catalogue SAO155091

Hipparcos Catalogue HIP45743

Durchmusterung Catalogue BD-15 2763

Aitken Double Star Catalogue ADS7302

Visibility from Your Location

Today's HR3704 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 105.9° RISE 14:15

Max altitude: 22.6° TRANSIT 18:49

Azimuth: 254.1° SET 23:24

Set Location

Other stars in Hydra