HR1898

Below the horizon. Rise: 5:26 | Tran: 11:02 | Set: 16:38

Alt: -14.08° Az: 79.07° Direction: East

HR1898 is a double sub-giant star of spectral class B2 in the constellation of Orion.

HR1898 visual magnitude is 6.38. Because of its faintness, HR1898 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 HR1898. The red arrow shows the motion of HR1898 during the next 10000 years (0.33 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 36m 47s

Declination -04° 20’ 59”

Hour Angle 16h 51m 04s

Sidereal Time 22h 27m 51s

J2000

Right Ascension 05h 35m 31s

Declination -04° 21’ 52”

Galactic Coordinates

Galactic Longitude 208.07°

Galactic Latitude -18.86°

Finder Chart

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Finder chart for HR1898.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.38

Class Sub-giant

Absolute magnitude -1.56

Spectral Type B2IV

Color Index (B-V) -0.14

Temperature 12293K

The red dot in the diagram below shows where HR1898 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1898. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1898 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1898 double sysyem:

Main star magnitude 6.38

Secondary star magnitude 8.38

Magnitude difference 2

Separation 4.2 arcsec

Distance, Radial Speed, Proper Motion

HR1898 is distant 1,263.57 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 387.60

Distance (light year) 1,263.57

Radial Speed 30 km/s

Proper Motion RA 0.002 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Henry Draper Catalogue HD37040

SAO Catalogue SAO132325

Hipparcos Catalogue HIP26257

Durchmusterung Catalogue BD-04 1186

Aitken Double Star Catalogue ADS4192

Visibility from Your Location

Today's HR1898 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.3° RISE 5:26

Max altitude: 34.2° TRANSIT 11:02

Azimuth: 265.7° SET 16:38

In Evidence

Other stars in Orion

HR1898

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Orion

HR1898

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location