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
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All Constellations » Puppis » 

HR3255

HR3255 is a hypergiant star in the constellation of Puppis.

HR3255 visual magnitude is 6.6. Because of its reltive faintness, HR3255 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 HR3255:

6.6
Hypergiant
HR3255 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 3°.

Celestial coordinates and finder chart of HR3255

HR3255 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 HR3255 are provided in the following table:

08h 16m 54s
-21° 19’ 13”
241.8°
7.83°
Puppis

The simplified sky map below shows the position of HR3255 in the sky:

Finder chart HR3255 star
Simplified finder chart for HR3255.

Visibility of HR3255 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 HR3255 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: 111.3°
Max altitude: 17.2°
Azimuth: 248.7°
HR3255 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3255

The image below is a photograph of HR3255 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 HR3255 is -0.016 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 HR3255 star
DSS2 image of HR3255. The red arrow shows the motion of HR3255 during the next 10000 years (-2.67 arcmin in Right Ascension and 4.33 arcmin in declination);

Distance of HR3255 from the Sun and relative movement

HR3255 is distant 607.08 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

186.22 pc
607.08 ly
10 km/s
-0.016 arcsec/year
0.026 arcsec/year

Spectral properties of HR3255

HR3255 belongs to spectral class A0

0.25
A0
9882K

The red dot in the diagram below shows where HR3255 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3255. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3255

SAO175497
SAO175497