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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: 5:41  
clear_day Transit: 12:56  
SunsetSet: 20:12
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All Constellations » Corvus » 

HR4670

Altitude: 15.9°   Azimuth: 146.7°   Direction: South-South-East

HR4670 is a variable sub-giant star in the constellation of Corvus.

HR4670 visual magnitude is 6.05. Because of its reltive faintness, HR4670 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4670 is -0.048 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4670 star
DSS2 image of HR4670. The red arrow shows the motion of HR4670 during the next 10000 years (-8.00 arcmin in Right Ascension and 0.50 arcmin in declination);

Key facts about HR4670

6.05
Sub-giant

HR4670 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 15.9°
Azimuth: 146.7°
Direction: South-South-East

Celestial coordinates and finder chart of HR4670

HR4670 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 HR4670 are provided in the following table:

12h 17m 03s
-16° 41’ 36”
291.17°
45.39°
Corvus

The simplified sky map below shows the position of HR4670 in the sky:

Finder chart HR4670 star
Simplified finder chart for HR4670.

Visibility of HR4670 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 HR4670 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: 106.7°
Max altitude: 21.8°
Azimuth: 253.3°

Distance of HR4670 from the Sun and relative movement

HR4670 is distant 539.74 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

165.56 pc
539.74 ly
-12 km/s
-0.048 arcsec/year
0.003 arcsec/year

Spectral properties of HR4670

HR4670 belongs to spectral class A2 and has a luminosity class of IV corresponding to a sub-giant star.

-0.04
A2IV
9028K

The red dot in the diagram below shows where HR4670 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4670. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4670

SAO157184
SAO157184