HR1604

Above the horizon. Rise: 0:30 | Tran: 5:06 | Set: 9:38

Alt: 18.51° Az: 153.77° Direction: South-South-East

HR1604 is a variable and multiple main-sequence star of spectral class F3 in the constellation of Lepus.

HR1604 visual magnitude is 5.66. Because of its faintness, HR1604 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 HR1604. The red arrow shows the motion of HR1604 during the next 1000 years (-2.35 arcmin in Right Ascension and 2.47 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 00m 08s

Declination -16° 20’ 23”

Hour Angle 22h 16m 25s

Sideral Time 03h 16m 33s

J2000

Right Ascension 04h 59m 01s

Declination -16° 22’ 32”

Galactic Coordinates

Galactic Longitude 215.97°

Galactic Latitude -32.06°

Finder Chart

Simplified finder chart for HR1604.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.66

Class Main-sequence

Absolute magnitude 2.48

Spectral Type F3V

Color Index (B-V) 0.43

Temperature 6724K

The red dot in the diagram below shows where HR1604 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1604. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1604 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 HR1604 double sysyem:

Main star magnitude 5.66

Secondary star magnitude 7.16

Magnitude difference 1.5

Separation 0.2 arcsec

Distance, Radial Speed, Proper Motion

HR1604 is distant 140.70 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 43.16

Distance (light year) 140.70

Radial Speed 30 km/s

Proper Motion RA -0.141 arcsec/y

Proper Motion Dec 0.148"/y

Alternative Designations

Henry Draper Catalogue HD31925

SAO Catalogue SAO150052

Hipparcos Catalogue HIP23166

Durchmusterung Catalogue BD-16 1013

General Catalogue of Variable Stars 1793

Aitken Double Star Catalogue ADS3588

Visibility from Your Location

Today's HR1604 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.3° RISE 0:30

Max altitude: 22.2° TRANSIT 5:06

Azimuth: 253.7° SET 9:38

Set Location

Other stars in Lepus