2 Sagittae

Below the horizon. Rise: 18:51 | Tran: 2:23 | Set: 9:51

Alt: -20.38° Az: 14.68° Direction: South

2 Sagittae is a double giant star of spectral class A2 in the constellation of Sagitta.

2 Sagittae visual magnitude is 6.25. Because of its faintness, 2 Sagittae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 2 Sagittae. The red arrow shows the motion of 2 Sagittae during the next 10000 years (-0.50 arcmin in Right Ascension and -1.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 25m 30s

Declination +16° 59’ 20”

Hour Angle 12h 57m 32s

Sidereal Time 08h 23m 03s

J2000

Right Ascension 19h 24m 22s

Declination +16° 56’ 16”

Galactic Coordinates

Galactic Longitude 51.7°

Galactic Latitude 0.63°

Finder Chart

Loading map...

Finder chart for 2 Sagittae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.25

Class Giant

Absolute magnitude 1.06

Spectral Type A2III

Color Index (B-V) 0.08

Temperature 9226K

The red dot in the diagram below shows where 2 Sagittae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 2 Sagittae. Attribution: Richard Powell / CC BY-SA

Star System Properties

2 Sagittae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 2 Sagittae double sysyem:

Main star magnitude 6.25

Secondary star magnitude 7.05

Magnitude difference 0.8

Separation 340.6 arcsec

Distance, Radial Speed, Proper Motion

2 Sagittae is distant 355.12 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 108.93

Distance (light year) 355.12

Radial Speed 12 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.011"/y

Alternative Designations

Flamsteed designation 2 Sagittae

Henry Draper Catalogue HD182490

SAO Catalogue SAO104797

Hipparcos Catalogue HIP95398

Durchmusterung Catalogue BD+16 3839

Visibility from Your Location

Today's 2 Sagittae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 73.0° RISE 18:51

Max altitude: 55.5° TRANSIT 2:23

Azimuth: 287.0° SET 9:51

Set Location

Other stars in Sagitta