Theemin - υ2 Eridani (upsilon2 Eridani)

Theemin, also designated as υ2 Eridani (upsilon2 Eridani), is a giant star in the constellation of Eridanus.

Theemin visual magnitude is 3.82. Because of its moderate brightness, Theemin should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Theemin:

Color of Theemin ⬤

Magnitude of Theemin 3.82

Class Giant

VISIBILITY RIGHT NOW Theemin - υ2 Eridani (upsilon2 Eridani) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of Theemin

Theemin 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 Theemin are provided in the following table:

Right Ascension J2000 04h 35m 33s

Declination J2000 -30° 33’ 43”

Galactic Longitude 231.01°

Galactic Latitude -41.31°

Constellation Eridanus

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

Finder chart Theemin - υ2 Eridani (upsilon2 Eridani) star

Simplified finder chart for Theemin - υ2 Eridani (upsilon2 Eridani).

Visibility of Theemin 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 Theemin - υ2 Eridani (upsilon2 Eridani) 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: 120.6° RISE 10:05

Max altitude: 8.0° TRANSIT 12:52

Azimuth: 239.4° SET 15:40

RIGHT NOW Theemin - υ2 Eridani (upsilon2 Eridani) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Theemin

The image below is a photograph of Theemin 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 Theemin is -0.045 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Theemin - υ2 Eridani (upsilon2 Eridani) star

DSS2 image of Theemin. The red arrow shows the motion of Theemin during the next 10000 years (-7.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of Theemin from the Sun and relative movement

Theemin is distant 208.71 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 64.02 pc

Distance (light year) 208.71 ly

Heliocentric radial velocity -4 km/s

Proper Motion RA -0.045 arcsec/year

Proper Motion Dec -0.012 arcsec/year

Spectral properties of Theemin

Theemin belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.21

Spectral Type G8III

Color Index (B-V) 0.98

Temperature of Theemin 4791K

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

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

Alternative designations of Theemin

Proper Name Theemin

Bayer designation υ2 Eridani
(upsilon2 Eridani)

Flamsteed designation 52 Eridani

Henry Draper Catalogue HD29291

SAO Catalogue SAO195148

Hipparcos Catalogue HIP21393

Durchmusterung Catalogue CD-30 1901

FK5 Catalogue 170

In Evidence

Other stars in Eridanus