HR2170

Below the horizon. Rise: 5:25 | Tran: 7:29 | Set: 9:32

Alt: -0.30° Az: 153.99° Direction: South-South-East

HR2170 is a variable sub-giant star of spectral class B4 in the constellation of Columba.

HR2170 visual magnitude is 5.83. Because of its faintness, HR2170 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 HR2170. The red arrow shows the motion of HR2170 during the next 100000 years (5.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 07m 57s

Declination -34° 18’ 59”

Hour Angle 21h 51m 43s

Sideral Time 03h 59m 40s

J2000

Right Ascension 06h 07m 03s

Declination -34° 18’ 42”

Galactic Coordinates

Galactic Longitude 240.83°

Galactic Latitude -23.48°

Finder Chart

Simplified finder chart for HR2170.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.83

Class Sub-giant

Absolute magnitude -1.71

Spectral Type B4IV

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where HR2170 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2170. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2170 is distant 1,051.61 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 322.58

Distance (light year) 1,051.61

Radial Speed 18 km/s

Proper Motion RA 0.003 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Henry Draper Catalogue HD42054

SAO Catalogue SAO196503

Hipparcos Catalogue HIP28992

Durchmusterung Catalogue CD-34 2655

General Catalogue of Variable Stars 2836

Visibility from Your Location

Today's HR2170 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.3° RISE 5:25

Max altitude: 4.2° TRANSIT 7:29

Azimuth: 235.7° SET 9:32

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

Location

Other stars in Columba