HR3963

Below the horizon. Rise: 6:45 | Tran: 11:06 | Set: 15:26

Alt: -19.24° Az: 264.64° Direction: West

HR3963 is a multiple hypergiant star of spectral class A0 in the constellation of Hydra.

HR3963 visual magnitude is 5.86. Because of its faintness, HR3963 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 HR3963. The red arrow shows the motion of HR3963 during the next 10000 years (-1.67 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 05m 13s

Declination -18° 13’ 19”

Hour Angle 06h 32m 57s

Sideral Time 16h 38m 11s

J2000

Right Ascension 10h 04m 02s

Declination -18° 06’ 06”

Galactic Coordinates

Galactic Longitude 256.32°

Galactic Latitude 29.24°

Finder Chart

Simplified finder chart for HR3963.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.86

Class Hypergiant

Absolute magnitude 0.03

Spectral Type A0V

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where HR3963 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3963. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3963 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3963 double sysyem:

Main star magnitude 5.86

Secondary star magnitude 6.86

Magnitude difference 1

Separation 21.2 arcsec

Distance, Radial Speed, Proper Motion

HR3963 is distant 477.31 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

Distance (parsec) 146.41

Distance (light year) 477.31

Radial Speed 19 km/s

Proper Motion RA -0.01 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD87344

SAO Catalogue SAO155704

Hipparcos Catalogue HIP49321

Durchmusterung Catalogue BD-17 3047

Aitken Double Star Catalogue ADS7627

Visibility from Your Location

Today's HR3963 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.2° RISE 6:45

Max altitude: 20.3° TRANSIT 11:06

Azimuth: 251.8° SET 15:26

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

Location

Other stars in Hydra