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🌎  Greenwich, United Kingdom [change]

HR3072

HR3072 is a variable and double sub-giant star in the constellation of Monoceros.

HR3072 visual magnitude is 5.76. Because of its reltive faintness, HR3072 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 HR3072:

5.76
Sub-giant
HR3072 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR3072

HR3072 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 HR3072 are provided in the following table:

07h 52m 47s
-05° 25’ 41”
224.94°
11.03°
Monoceros

The simplified sky map below shows the position of HR3072 in the sky:

Finder chart HR3072 star
Simplified finder chart for HR3072.

Visibility of HR3072 from your location

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

Today's HR3072 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.4°
Max altitude: 33.1°
Azimuth: 264.6°
HR3072 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3072

The image below is a photograph of HR3072 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 HR3072 is -0.017 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3072 star
DSS2 image of HR3072. The red arrow shows the motion of HR3072 during the next 10000 years (-2.83 arcmin in Right Ascension and -3.83 arcmin in declination);

Distance of HR3072 from the Sun and relative movement

HR3072 is distant 133.33 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

40.90 pc
133.33 ly
-2 km/s
-0.017 arcsec/year
-0.023 arcsec/year

Spectral properties of HR3072

HR3072 belongs to spectral class F5 and has a luminosity class of IV corresponding to a sub-giant star.

2.70
F5IV
6827K

The red dot in the diagram below shows where HR3072 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3072. Attribution: Richard Powell / CC BY-SA

HR3072 star system properties

HR3072 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3072 double sysyem:

5.76
6.06
0.3
0.2 arcsec

Alternative designations of HR3072

SAO135205
SAO135205