HR4184

Above the horizon. Rise: 3:12 | Tran: 12:31 | Set: 21:50

Alt: 26.16° Az: 71.37° Direction: East-North-East

HR4184 is a variable and double giant star of spectral class M4 in the constellation of Leo Minor.

HR4184 visual magnitude is 6.02. Because of its faintness, HR4184 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 HR4184. The red arrow shows the motion of HR4184 during the next 10000 years (1.33 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 43m 33s

Declination +31° 34’ 01”

Hour Angle 18h 13m 31s

Sideral Time 04h 57m 05s

J2000

Right Ascension 10h 42m 11s

Declination +31° 41’ 48”

Galactic Coordinates

Galactic Longitude 195.85°

Galactic Latitude 61.59°

Finder Chart

Simplified finder chart for HR4184.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.02

Class Giant

Absolute magnitude -0.77

Spectral Type M4III

Color Index (B-V) 1.62

Temperature 3622K

The red dot in the diagram below shows where HR4184 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4184. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4184 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 HR4184 double sysyem:

Main star magnitude 6.02

Secondary star magnitude 10.02

Magnitude difference 4

Separation 112.5 arcsec

Distance, Radial Speed, Proper Motion

HR4184 is distant 742.60 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 227.79

Distance (light year) 742.60

Radial Speed 16 km/s

Proper Motion RA 0.008 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Henry Draper Catalogue HD92620

SAO Catalogue SAO62206

Hipparcos Catalogue HIP52366

Durchmusterung Catalogue BD+32 2066

General Catalogue of Variable Stars RX LMi

Visibility from Your Location

Today's HR4184 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.4° RISE 3:12

Max altitude: 70.1° TRANSIT 12:31

Azimuth: 301.6° SET 21:50

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

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Location

Other stars in Leo Minor