Zaniah - η Virginis (eta Virginis)

Altitude: -21.0° Azimuth: 297.5° Direction: West-North-West

Zaniah, also designated as η Virginis (eta Virginis), is a variable and multiple sub-giant star in the constellation of Virgo.

Zaniah visual magnitude is 3.89. Because of its moderate brightness, Zaniah 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 Zaniah:

Color of Zaniah ⬤

Magnitude of Zaniah 3.89

Class Sub-giant

VISIBILITY RIGHT NOW

Zaniah - η Virginis (eta Virginis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -21.0°
Azimuth: 297.5°
Direction: West-North-West

Celestial coordinates and finder chart of Zaniah

Zaniah 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 Zaniah are provided in the following table:

Right Ascension J2000 12h 19m 54s

Declination J2000 -00° 40’ 00”

Galactic Longitude 286.4°

Galactic Latitude 61.19°

Constellation Virgo

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

Finder chart Zaniah - η Virginis (eta Virginis) star

Simplified finder chart for Zaniah - η Virginis (eta Virginis).

Visibility of Zaniah 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 Zaniah - η Virginis (eta Virginis) 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: 90.7° RISE 1:06

Max altitude: 37.9° TRANSIT 7:00

Azimuth: 269.3° SET 12:55

Digitized Sky Survey image of Zaniah

The image below is a photograph of Zaniah 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 Zaniah is -0.063 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Zaniah - η Virginis (eta Virginis) star

DSS2 image of Zaniah. The red arrow shows the motion of Zaniah during the next 10000 years (-10.50 arcmin in Right Ascension and -3.00 arcmin in declination);

Distance of Zaniah from the Sun and relative movement

Zaniah is distant 249.62 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 76.57 pc

Distance (light year) 249.62 ly

Heliocentric radial velocity 2 km/s

Proper Motion RA -0.063 arcsec/year

Proper Motion Dec -0.018 arcsec/year

Spectral properties of Zaniah

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

Absolute magnitude -0.53

Spectral Type A2IV

Color Index (B-V) 0.02

Temperature of Zaniah 9882K

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

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

Zaniah star system properties

Zaniah 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 Zaniah double sysyem:

Main star magnitude 3.89

Secondary star magnitude 4.39

Magnitude difference 0.5

Separation 0 arcsec

Alternative designations of Zaniah

Proper Name Zaniah

Bayer designation η Virginis
(eta Virginis)

Flamsteed designation 15 Virginis

Henry Draper Catalogue HD107259

SAO Catalogue SAO138721

Hipparcos Catalogue HIP60129

Durchmusterung Catalogue BD+00 2926

FK5 Catalogue 460

General Catalogue of Variable Stars 5555

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