HR3869

Above the horizon. Rise: 3:24 | Tran: 11:02 | Set: 18:40

Alt: 57.15° Az: 186.08° Direction: South

HR3869 is a double hypergiant star of spectral class K0 in the constellation of Leo.

HR3869 visual magnitude is 6.5. Because of its faintness, HR3869 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 HR3869. The red arrow shows the motion of HR3869 during the next 10000 years (-1.17 arcmin in Right Ascension and -9.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 45m 52s

Declination +18° 44’ 57”

Hour Angle 00h 13m 54s

Sideral Time 09h 59m 46s

J2000

Right Ascension 09h 44m 30s

Declination +18° 51’ 48”

Galactic Coordinates

Galactic Longitude 213.6°

Galactic Latitude 46.44°

Finder Chart

Simplified finder chart for HR3869.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.5

Class Hypergiant

Absolute magnitude 0.73

Spectral Type K0

Color Index (B-V)

Temperature 10125K

The red dot in the diagram below shows where HR3869 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3869. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3869 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 HR3869 double sysyem:

Main star magnitude 6.5

Secondary star magnitude 12.5

Magnitude difference 6

Separation 31.2 arcsec

Distance, Radial Speed, Proper Motion

HR3869 is distant 464.39 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 142.45

Distance (light year) 464.39

Radial Speed -1 km/s

Proper Motion RA -0.007 arcsec/y

Proper Motion Dec -0.054"/y

Alternative Designations

Henry Draper Catalogue HD84252

SAO Catalogue SAO98742

Hipparcos Catalogue HIP47779

Durchmusterung Catalogue BD+19 2251

Visibility from Your Location

Today's HR3869 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.3° RISE 3:24

Max altitude: 57.3° TRANSIT 11:02

Azimuth: 288.7° SET 18:40

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

Location

Other stars in Leo