HR3822

Below the horizon. Rise: 6:49 | Tran: 11:01 | Set: 15:12

Alt: -50.56° Az: 47.53° Direction: North-East

HR3822 is a double main-sequence star of spectral class A2 in the constellation of Hydra.

HR3822 visual magnitude is 6.31. Because of its faintness, HR3822 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 HR3822. The red arrow shows the motion of HR3822 during the next 10000 years (-6.33 arcmin in Right Ascension and -7.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 36m 42s

Declination -19° 41’ 41”

Hour Angle 13h 59m 23s

Sideral Time 23h 36m 06s

J2000

Right Ascension 09h 35m 33s

Declination -19° 35’ 00”

Galactic Coordinates

Galactic Longitude 252.17°

Galactic Latitude 23.43°

Finder Chart

Simplified finder chart for HR3822.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.31

Class Main-sequence

Absolute magnitude 1.61

Spectral Type A2V

Color Index (B-V) 0.06

Temperature 9434K

The red dot in the diagram below shows where HR3822 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3822. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3822 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3822 double sysyem:

Main star magnitude 6.31

Secondary star magnitude 9.51

Magnitude difference 3.2

Separation 51.5 arcsec

Distance, Radial Speed, Proper Motion

HR3822 is distant 283.48 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 86.96

Distance (light year) 283.48

Radial Speed 16 km/s

Proper Motion RA -0.038 arcsec/y

Proper Motion Dec -0.046"/y

Alternative Designations

Henry Draper Catalogue HD83104

SAO Catalogue SAO155323

Hipparcos Catalogue HIP47070

Durchmusterung Catalogue BD-18 2728

Visibility from Your Location

Today's HR3822 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.7° RISE 6:49

Max altitude: 18.8° TRANSIT 11:01

Azimuth: 250.3° SET 15:12

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

Location

Other stars in Hydra