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public  Libu, Cina Libu, Cina  ⓘ
TimezoneAsia/Shanghai
Sunrise: 5:50 
Transit: 12:35 
Sunset: 19:21
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All Constellations » Canis Major » 

HR2704

Above the horizon.  Rise: 7:15 | Tran: 12:27 | Set: 17:36
Alt: 40.12°   Az: 182.72°   Direction: South

HR2704 is a variable and double sub-giant star of spectral class B2 in the constellation of Canis Major.

HR2704 visual magnitude is 5.69. Because of its faintness, HR2704 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.

Image of HR2704 star
DSS2 image of HR2704. The red arrow shows the motion of HR2704 during the next 10000 years (-2.00 arcmin in Right Ascension and 1.00 arcmin in declination);

Celestial Coordinates

Apparent

07h 10m 46s
-25° 16’ 26”
00h 09m 11s
07h 19m 57s

J2000

07h 09m 42s
-25° 13’ 51”

Galactic Coordinates

237.5°
-7.48°

Finder Chart

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Finder chart for HR2704.

Magnitude, Color, Spectral Class

5.69
Sub-giant

-3.06
B2IV
12692K

The red dot in the diagram below shows where HR2704 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2704. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2704 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 HR2704 double sysyem:

5.69
12.59
6.9
9.2 arcsec

Distance, Radial Speed, Proper Motion

HR2704 is distant 1,831.46 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

561.80
1,831.46
27 km/s
-0.012 arcsec/y
0.006"/y

Alternative Designations

SAO173101
SAO173101

Visibility from Your Location

Today's HR2704 rise, transit and set times from Libu, Cina are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 115.3°
Max altitude: 40.2°
Azimuth: 244.7°