Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:38  ☀️ Transit: 13:03  🌅 Sunset: 19:28


HR3897 is a hypergiant star in the constellation of Antlia.

HR3897 visual magnitude is 6.37. Because of its reltive faintness, HR3897 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 HR3897:

HR3897 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR3897

HR3897 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3897 are provided in the following table:

09h 49m 51s
-36° 16’ 06”

The simplified sky map below shows the position of HR3897 in the sky:

Finder chart HR3897 star
Simplified finder chart for HR3897.

Visibility of HR3897 from your location

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

Today's HR3897 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.3°
Max altitude: 2.3°
Azimuth: 233.7°
HR3897 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3897

The image below is a photograph of HR3897 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 HR3897 is -0.022 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3897 star
DSS2 image of HR3897. The red arrow shows the motion of HR3897 during the next 10000 years (-3.67 arcmin in Right Ascension and 0.33 arcmin in declination);

Distance of HR3897 from the Sun and relative movement

HR3897 is distant 555.37 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

170.36 pc
555.37 ly
21 km/s
-0.022 arcsec/year
0.002 arcsec/year

Spectral properties of HR3897

HR3897 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3897 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3897. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3897