HR7230

Above the horizon. Rise: 14:03 | Tran: 18:39 | Set: 23:16

Alt: 1.67° Az: 242.02° Direction: West-South-West

HR7230 is a variable and double main-sequence star of spectral class B9 in the constellation of Sagittarius.

HR7230 visual magnitude is 5.97. Because of its faintness, HR7230 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 HR7230. The red arrow shows the motion of HR7230 during the next 100000 years (5.00 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 07m 06s

Declination -15° 37’ 15”

Hour Angle 04h 25m 43s

Sidereal Time 23h 32m 49s

J2000

Right Ascension 19h 05m 41s

Declination -15° 39’ 37”

Galactic Coordinates

Galactic Longitude 20.44°

Galactic Latitude -10.16°

Finder Chart

Simplified finder chart for HR7230.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.97

Class Main-sequence

Absolute magnitude -1.16

Spectral Type B9V

Color Index (B-V) -0.02

Temperature 10382K

The red dot in the diagram below shows where HR7230 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7230. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7230 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 HR7230 double sysyem:

Main star magnitude 5.97

Secondary star magnitude 12.17

Magnitude difference 6.2

Separation 46.9 arcsec

Distance, Radial Speed, Proper Motion

HR7230 is distant 869.33 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 266.67

Distance (light year) 869.33

Radial Speed -26 km/s

Proper Motion RA 0.003 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Henry Draper Catalogue HD177517

SAO Catalogue SAO162177

Hipparcos Catalogue HIP93763

Durchmusterung Catalogue BD-15 5223

FK5 Catalogue 3522

General Catalogue of Variable Stars Var?

Visibility from Your Location

Today's HR7230 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 105.6° RISE 14:03

Max altitude: 22.9° TRANSIT 18:39

Azimuth: 254.4° SET 23:16

Set Location

Other stars in Sagittarius