ν2 Sagittarii (nu2 Sagittarii)

Altitude: 2.2° Azimuth: 228.2° Direction: South-West

ν2 Sagittarii is a bright giant star in the constellation of Sagittarius.

ν2 Sagittarii visual magnitude is 4.99. Because of its moderate brightness, ν2 Sagittarii 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 ν2 Sagittarii:

Color of ν2 Sagittarii ⬤

Magnitude of ν2 Sagittarii 4.99

Class Bright giant

VISIBILITY RIGHT NOW

ν2 Sagittarii (nu2 Sagittarii) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.2°
Azimuth: 228.2°
Direction: South-West

Celestial coordinates and finder chart of ν2 Sagittarii

ν2 Sagittarii 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 ν2 Sagittarii are provided in the following table:

Right Ascension J2000 18h 55m 07s

Declination J2000 -22° 40’ 17”

Galactic Longitude 12.91°

Galactic Latitude -10.89°

Constellation Sagittarius

The simplified sky map below shows the position of ν2 Sagittarii in the sky:

Finder chart ν2 Sagittarii (nu2 Sagittarii) star

Simplified finder chart for ν2 Sagittarii (nu2 Sagittarii).

Visibility of ν2 Sagittarii 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 ν2 Sagittarii (nu2 Sagittarii) 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: 112.7° RISE 15:57

Max altitude: 15.8° TRANSIT 19:49

Azimuth: 247.3° SET 23:41

Digitized Sky Survey image of ν2 Sagittarii

The image below is a photograph of ν2 Sagittarii 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 ν2 Sagittarii is 0.103 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of ν2 Sagittarii (nu2 Sagittarii) star

DSS2 image of ν2 Sagittarii. The red arrow shows the motion of ν2 Sagittarii during the next 1000 years (1.72 arcmin in Right Ascension and -0.43 arcmin in declination);

Distance of ν2 Sagittarii from the Sun and relative movement

ν2 Sagittarii is distant 270.09 light years from the Sun and it is moving towards the Sun at the speed of 110 kilometers per second.

Distance (parsec) 82.85 pc

Distance (light year) 270.09 ly

Heliocentric radial velocity -110 km/s

Proper Motion RA 0.103 arcsec/year

Proper Motion Dec -0.026 arcsec/year

Spectral properties of ν2 Sagittarii

ν2 Sagittarii belongs to spectral class K3 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude 0.40

Spectral Type K3II

Color Index (B-V) 1.33

Temperature of ν2 Sagittarii 4069K

The red dot in the diagram below shows where ν2 Sagittarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ν2 Sagittarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of ν2 Sagittarii

Bayer designation ν2 Sagittarii
(nu2 Sagittarii)

Flamsteed designation 35 Sagittarii

Henry Draper Catalogue HD175190

SAO Catalogue SAO187445

Hipparcos Catalogue HIP92845

Durchmusterung Catalogue BD-22 4915

Gliese Catalogue Wo 9637

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