HR3177

HR3177 is a multiple supergiant star in the constellation of Puppis.

HR3177 visual magnitude is 6.14. Because of its reltive faintness, HR3177 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 HR3177:

Color of HR3177 ⬤

Magnitude of HR3177 6.14

Class Supergiant

VISIBILITY RIGHT NOW HR3177 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3177

HR3177 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3177 are provided in the following table:

Right Ascension J2000 08h 05m 44s

Declination J2000 -33° 34’ 09”

Galactic Longitude 250.76°

Galactic Latitude -0.91°

Constellation Puppis

The simplified sky map below shows the position of HR3177 in the sky:

Simplified finder chart for HR3177.

Visibility of HR3177 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 HR3177 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: 123.6° RISE 14:28

Max altitude: 5.0° TRANSIT 16:42

Azimuth: 236.4° SET 18:55

RIGHT NOW HR3177 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3177

The image below is a photograph of HR3177 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 HR3177 is -0.006 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3177. The red arrow shows the motion of HR3177 during the next 10000 years (-1.00 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR3177 from the Sun and relative movement

HR3177 is distant 3,395.83 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

Distance (parsec) 1,041.67 pc

Distance (light year) 3,395.83 ly

Heliocentric radial velocity 33 km/s

Proper Motion RA -0.006 arcsec/year

Proper Motion Dec 0.01 arcsec/year

Spectral properties of HR3177

HR3177 belongs to spectral class G1 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -3.95

Spectral Type G1I

Color Index (B-V) 1.11

Temperature of HR3177 4493K

The red dot in the diagram below shows where HR3177 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3177. Attribution: Richard Powell / CC BY-SA

HR3177 star system properties

HR3177 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3177 double sysyem:

Main star magnitude 6.14

Secondary star magnitude 8.54

Magnitude difference 2.4

Separation 22.1 arcsec

Alternative designations of HR3177

Henry Draper Catalogue HD67243

SAO Catalogue SAO198791

Hipparcos Catalogue HIP39617

Durchmusterung Catalogue CD-33 4525

In Evidence

Other stars in Puppis