HR1866

Above the horizon. Rise: 2:59 | Tran: 11:28 | Set: 19:53

Alt: 16.72° Az: 322.70° Direction: North-West

HR1866 is a hypergiant star of spectral class M0 in the constellation of Auriga.

HR1866 visual magnitude is 5.73. Because of its faintness, HR1866 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 HR1866. The red arrow shows the motion of HR1866 during the next 10000 years (-2.17 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 38m 41s

Declination +54° 26’ 33”

Hour Angle 06h 14m 29s

Sidereal Time 11h 53m 10s

J2000

Right Ascension 05h 36m 35s

Declination +54° 25’ 44”

Galactic Coordinates

Galactic Longitude 157.19°

Galactic Latitude 11.82°

Finder Chart

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Finder chart for HR1866.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.73

Class Hypergiant

Absolute magnitude -1.07

Spectral Type M0III

Color Index (B-V) 1.63

Temperature 3608K

The red dot in the diagram below shows where HR1866 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1866. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1866 is distant 746.00 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 228.83

Distance (light year) 746.00

Radial Speed 1 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD36678

SAO Catalogue SAO25276

Hipparcos Catalogue HIP26344

Durchmusterung Catalogue BD+54 914

FK5 Catalogue 2416

Visibility from Your Location

Today's HR1866 rise, transit and set times from Bozhi, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 35.6° RISE 2:59

Max altitude: 58.8° TRANSIT 11:28

Azimuth: 324.4° SET 19:53

Name:	Bozhi, China
Latitude:	23° 16' 30.4" N
Longitude:	112° 9' 36.0" E
Timezone:	Asia/Shanghai

Set Location

Other stars in Auriga