Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
wb_twilight Civil TwilightWhat's Visible Now
All Constellations » Puppis » 

HR3315

HR3315 is a double giant star in the constellation of Puppis.

HR3315 visual magnitude is 5.28. Because of its reltive faintness, HR3315 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR3315:

5.28
Giant
HR3315 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3315

HR3315 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3315 are provided in the following table:

08h 25m 03s
-24° 02’ 45”
245.15°
7.88°
Puppis

The simplified sky map below shows the position of HR3315 in the sky:

Finder chart HR3315 star
Simplified finder chart for HR3315.

Visibility of HR3315 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR3315 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 114.0°
Max altitude: 14.5°
Azimuth: 246.0°
HR3315 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3315

The image below is a photograph of HR3315 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR3315 is -0.028 arcsec per year in Right Ascension and 0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3315 star
DSS2 image of HR3315. The red arrow shows the motion of HR3315 during the next 10000 years (-4.67 arcmin in Right Ascension and 4.33 arcmin in declination);

Distance of HR3315 from the Sun and relative movement

HR3315 is distant 506.21 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

155.28 pc
506.21 ly
26 km/s
-0.028 arcsec/year
0.026 arcsec/year

Spectral properties of HR3315

HR3315 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

-0.68
K5III
3824K

The red dot in the diagram below shows where HR3315 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3315. Attribution: Richard Powell / CC BY-SA

HR3315 star system properties

HR3315 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3315 double sysyem:

5.28
8.78
3.5
41 arcsec

Alternative designations of HR3315

SAO175783
SAO175783