HR7212

Below the horizon. Rise: 4:07 | Tran: 13:51 | Set: 23:35

Alt: -1.72° Az: 338.13° Direction: North-North-West

HR7212 is a double sub-giant star of spectral class B5 in the constellation of Lyra.

HR7212 visual magnitude is 6.39. Because of its faintness, HR7212 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 HR7212. The red arrow shows the motion of HR7212 during the next 100000 years (-5.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 02m 43s

Declination +33° 39’ 31”

Hour Angle 10h 13m 44s

Sidereal Time 05h 16m 27s

J2000

Right Ascension 19h 01m 48s

Declination +33° 37’ 17”

Galactic Coordinates

Galactic Longitude 64.44°

Galactic Latitude 12.65°

Finder Chart

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Finder chart for HR7212.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Sub-giant

Absolute magnitude -1.27

Spectral Type B5IV

Color Index (B-V) -0.12

Temperature 11920K

The red dot in the diagram below shows where HR7212 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7212. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7212 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 HR7212 double sysyem:

Main star magnitude 6.39

Secondary star magnitude 12.59

Magnitude difference 6.2

Separation 25.4 arcsec

Distance, Radial Speed, Proper Motion

HR7212 is distant 1,108.84 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 340.14

Distance (light year) 1,108.84

Radial Speed -23 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Henry Draper Catalogue HD177109

SAO Catalogue SAO67721

Hipparcos Catalogue HIP93437

Durchmusterung Catalogue BD+33 3295

Aitken Double Star Catalogue ADS11965

Visibility from Your Location

Today's HR7212 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.3° RISE 4:07

Max altitude: 72.2° TRANSIT 13:51

Azimuth: 303.7° SET 23:35

Set Location

Other stars in Lyra