HR492

Below the horizon. Rise: 21:44 | Tran: 2:49 | Set: 7:49

Alt: -49.32° Az: 10.53° Direction: North

HR492 is a double main-sequence star of spectral class F5 in the constellation of Cetus.

HR492 visual magnitude is 5.75. Because of its faintness, HR492 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 HR492. The red arrow shows the motion of HR492 during the next 1000 years (0.72 arcmin in Right Ascension and -6.87 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 01h 42m 57s

Declination -11° 12’ 02”

Hour Angle 12h 27m 54s

Sideral Time 14h 10m 52s

J2000

Right Ascension 01h 41m 44s

Declination -11° 19’ 28”

Galactic Coordinates

Galactic Longitude 162.14°

Galactic Latitude -70.26°

Finder Chart

Simplified finder chart for HR492.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.75

Class Main-sequence

Absolute magnitude 2.89

Spectral Type F5V

Color Index (B-V) 0.44

Temperature 6674K

The red dot in the diagram below shows where HR492 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR492. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR492 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR492 double sysyem:

Main star magnitude 5.75

Secondary star magnitude 6.85

Magnitude difference 1.1

Separation 1.8 arcsec

Distance, Radial Speed, Proper Motion

HR492 is distant 121.51 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 37.27

Distance (light year) 121.51

Radial Speed -10 km/s

Proper Motion RA 0.043 arcsec/y

Proper Motion Dec -0.412"/y

Alternative Designations

Henry Draper Catalogue HD10453

SAO Catalogue SAO147962

Hipparcos Catalogue HIP7916

Durchmusterung Catalogue BD-12 315

Aitken Double Star Catalogue ADS1339

Visibility from Your Location

Today's HR492 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.2° RISE 21:44

Max altitude: 27.3° TRANSIT 2:49

Azimuth: 258.8° SET 7:49

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Cetus