HR2787

Below the horizon. Rise: 5:30 | Tran: 6:50 | Set: 8:09

Alt: -42.28° Az: 260.96° Direction: West

HR2787 is a variable and multiple main-sequence star of spectral class B2 in the constellation of Puppis.

HR2787 visual magnitude is 4.66. Because of its moderate brightness, HR2787 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR2787. The red arrow shows the motion of HR2787 during the next 100000 years (-5.00 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 19m 11s

Declination -36° 46’ 50”

Hour Angle 07h 36m 42s

Sidereal Time 14h 55m 53s

J2000

Right Ascension 07h 18m 18s

Declination -36° 44’ 03”

Galactic Coordinates

Galactic Longitude 248.78°

Galactic Latitude -10.91°

Finder Chart

Simplified finder chart for HR2787.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.66

Class Main-sequence

Absolute magnitude -2.41

Spectral Type B2V

Color Index (B-V) -0.1

Temperature 11573K

The red dot in the diagram below shows where HR2787 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2787. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2787 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2787 double sysyem:

Main star magnitude 4.66

Secondary star magnitude 5.06

Magnitude difference 0.4

Separation 239.9 arcsec

Distance, Radial Speed, Proper Motion

HR2787 is distant 846.75 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

Distance (parsec) 259.74

Distance (light year) 846.75

Radial Speed 19 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec 0.001"/y

Alternative Designations

Henry Draper Catalogue HD57150

SAO Catalogue SAO197824

Hipparcos Catalogue HIP35363

Durchmusterung Catalogue CD-36 3512

General Catalogue of Variable Stars NV Pup

Visibility from Your Location

Today's HR2787 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.8° RISE 5:30

Max altitude: 1.7° TRANSIT 6:50

Azimuth: 233.2° SET 8:09

Set Location

Other stars in Puppis