HR3240

Below the horizon. Rise: 6:25 | Tran: 7:53 | Set: 9:21

Alt: -8.78° Az: 140.36° Direction: South-East

HR3240 is a variable and double sub-giant star of spectral class B1 in the constellation of Puppis.

HR3240 visual magnitude is 5.08. Because of its faintness, HR3240 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 HR3240. The red arrow shows the motion of HR3240 during the next 10000 years (1.67 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 08h 14m 54s

Declination -36° 23’ 55”

Hour Angle 20h 33m 44s

Sideral Time 04h 48m 38s

J2000

Right Ascension 08h 13m 58s

Declination -36° 19’ 20”

Galactic Coordinates

Galactic Longitude 253.98°

Galactic Latitude -1°

Finder Chart

Simplified finder chart for HR3240.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.08

Class Sub-giant

Absolute magnitude -2.71

Spectral Type B1IV

Color Index (B-V) -0.19

Temperature 13348K

The red dot in the diagram below shows where HR3240 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3240. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3240 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3240 double sysyem:

Main star magnitude 5.08

Secondary star magnitude 5.98

Magnitude difference 0.9

Separation 66.9 arcsec

Distance, Radial Speed, Proper Motion

HR3240 is distant 1,176.90 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 361.01

Distance (light year) 1,176.90

Radial Speed 18 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD69081

SAO Catalogue SAO198969

Hipparcos Catalogue HIP40321

Durchmusterung Catalogue CD-35 4358

General Catalogue of Variable Stars OS Pup

Visibility from Your Location

Today's HR3240 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.4° RISE 6:25

Max altitude: 2.1° TRANSIT 7:53

Azimuth: 233.6° SET 9:21

Set Location

Other stars in Puppis