HR2870

Above the horizon. Rise: 4:15 | Tran: 6:48 | Set: 9:22

Alt: 3.64° Az: 201.55° Direction: South-South-West

HR2870 is a double main-sequence star of spectral class B3 in the constellation of Puppis.

HR2870 visual magnitude is 6.38. Because of its faintness, HR2870 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 HR2870. The red arrow shows the motion of HR2870 during the next 100000 years (13.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 29m 48s

Declination -31° 54’ 02”

Hour Angle 01h 42m 18s

Sidereal Time 09h 12m 07s

J2000

Right Ascension 07h 28m 51s

Declination -31° 50’ 53”

Galactic Coordinates

Galactic Longitude 245.36°

Galactic Latitude -6.76°

Finder Chart

Simplified finder chart for HR2870.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.38

Class Main-sequence

Absolute magnitude 0.12

Spectral Type B3V

Color Index (B-V) -0.17

Temperature 12902K

The red dot in the diagram below shows where HR2870 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2870. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2870 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2870 double sysyem:

Main star magnitude 6.38

Secondary star magnitude 7.08

Magnitude difference 0.7

Separation 8.9 arcsec

Distance, Radial Speed, Proper Motion

HR2870 is distant 582.14 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 178.57

Distance (light year) 582.14

Radial Speed 2 km/s

Proper Motion RA 0.008 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Henry Draper Catalogue HD59499

SAO Catalogue SAO198038

Hipparcos Catalogue HIP36345

Durchmusterung Catalogue CD-31 4590

Visibility from Your Location

Today's HR2870 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 121.9° RISE 4:15

Max altitude: 6.6° TRANSIT 6:48

Azimuth: 238.1° SET 9:22

Set Location

Other stars in Puppis