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🌎  Greenwich, United Kingdom [change]

HR4661

HR4661 is a double main-sequence star in the constellation of Corvus.

HR4661 visual magnitude is 6.54. Because of its reltive faintness, HR4661 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 HR4661:

6.54
Main-sequence
HR4661 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4661

HR4661 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 HR4661 are provided in the following table:

12h 15m 47s
-23° 21’ 12”
292.42°
38.79°
Corvus

The simplified sky map below shows the position of HR4661 in the sky:

Finder chart HR4661 star
Simplified finder chart for HR4661.

Visibility of HR4661 from your location

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

Today's HR4661 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.4°
Max altitude: 15.2°
Azimuth: 246.6°
HR4661 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4661

The image below is a photograph of HR4661 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 HR4661 is 0.039 arcsec per year in Right Ascension and -0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4661 star
DSS2 image of HR4661. The red arrow shows the motion of HR4661 during the next 10000 years (6.50 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR4661 from the Sun and relative movement

HR4661 is distant 226.55 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

69.49 pc
226.55 ly
18 km/s
0.039 arcsec/year
-0.03 arcsec/year

Spectral properties of HR4661

HR4661 belongs to spectral class F3 and has a luminosity class of V corresponding to a main-sequence star.

2.33
F3V
6625K

The red dot in the diagram below shows where HR4661 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4661. Attribution: Richard Powell / CC BY-SA

HR4661 star system properties

HR4661 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4661 double sysyem:

6.54
7.74
1.2
1.6 arcsec

Alternative designations of HR4661

SAO180619
SAO180619