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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Puppis » 

HR3177

Altitude: -70.8°   Azimuth: 25.1°   Direction: North-North-East

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 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.

Image of HR3177 star
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);

Key facts about HR3177

6.14
Supergiant

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

Altitude: -70.8°
Azimuth: 25.1°
Direction: North-North-East

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:

08h 05m 44s
-33° 34’ 09”
250.76°
-0.91°
Puppis

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

Finder chart HR3177 star
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°
Max altitude: 5.0°
Azimuth: 236.4°

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.

1,041.67 pc
3,395.83 ly
33 km/s
-0.006 arcsec/year
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.

-3.95
G1I
4493K

The red dot in the diagram below shows where HR3177 is situated in the Hertzsprungā€“Russell diagram.

HR 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:

6.14
8.54
2.4
22.1 arcsec

Alternative designations of HR3177

SAO198791
SAO198791