29 Sagittarii

29 Sagittarii is a variable and double giant star in the constellation of Sagittarius.

29 Sagittarii visual magnitude is 5.24. Because of its reltive faintness, 29 Sagittarii 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 29 Sagittarii:

Color of 29 Sagittarii ⬤

Magnitude of 29 Sagittarii 5.24

Class Giant

VISIBILITY RIGHT NOW 29 Sagittarii is above the horizon from Greenwich, United Kingdom [change]. Altitude: 2°.

Celestial coordinates and finder chart of 29 Sagittarii

29 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 29 Sagittarii are provided in the following table:

Right Ascension J2000 18h 49m 40s

Declination J2000 -20° 19’ 28”

Galactic Longitude 14.5°

Galactic Latitude -8.74°

Constellation Sagittarius

The simplified sky map below shows the position of 29 Sagittarii in the sky:

Simplified finder chart for 29 Sagittarii.

Visibility of 29 Sagittarii from your location

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

Today's 29 Sagittarii rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.3° RISE 3:24

Max altitude: 18.2° TRANSIT 7:31

Azimuth: 249.7° SET 11:39

RIGHT NOW 29 Sagittarii is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 29 Sagittarii

The image below is a photograph of 29 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 29 Sagittarii is 0.005 arcsec per year in Right Ascension and 0.036 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 29 Sagittarii. The red arrow shows the motion of 29 Sagittarii during the next 10000 years (0.83 arcmin in Right Ascension and 6.00 arcmin in declination);

Distance of 29 Sagittarii from the Sun and relative movement

29 Sagittarii is distant 749.43 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 229.89 pc

Distance (light year) 749.43 ly

Heliocentric radial velocity -18 km/s

Proper Motion RA 0.005 arcsec/year

Proper Motion Dec 0.036 arcsec/year

Spectral properties of 29 Sagittarii

29 Sagittarii belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.57

Spectral Type K4III

Color Index (B-V) 1.41

Temperature of 29 Sagittarii 3934K

The red dot in the diagram below shows where 29 Sagittarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 29 Sagittarii. Attribution: Richard Powell / CC BY-SA

29 Sagittarii star system properties

29 Sagittarii 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 29 Sagittarii double sysyem:

Main star magnitude 5.24

Secondary star magnitude 13.84

Magnitude difference 8.6

Separation 16.6 arcsec

Alternative designations of 29 Sagittarii

Flamsteed designation 29 Sagittarii

Henry Draper Catalogue HD174116

SAO Catalogue SAO187324

Hipparcos Catalogue HIP92390

Durchmusterung Catalogue BD-20 5277

Gliese Catalogue NN 4080

General Catalogue of Variable Stars 11372

Aitken Double Star Catalogue ADS11713

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