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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Virgo » 

HR4998

Above the horizon.  Rise: 15:21 | Tran: 22:16 | Set: 5:15
Alt: 49.66°   Az: 175.81°   Direction: South

HR4998 is a double hypergiant star of spectral class M0 in the constellation of Virgo.

HR4998 visual magnitude is 5.67. Because of its faintness, HR4998 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 HR4998 star
DSS2 image of HR4998. The red arrow shows the motion of HR4998 during the next 10000 years (12.33 arcmin in Right Ascension and -8.67 arcmin in declination);

Celestial Coordinates

Apparent

13h 15m 47s
+11° 11’ 52”
23h 48m 57s
13h 04m 44s

J2000

13h 14m 31s
+11° 19’ 54”

Galactic Coordinates

322.99°
73.3°

Finder Chart

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Finder chart for HR4998.

Magnitude, Color, Spectral Class

5.67
Hypergiant

-0.29
M0III
3794K

The red dot in the diagram below shows where HR4998 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4998. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4998 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 HR4998 double sysyem:

5.67
12.37
6.7
49.1 arcsec

Distance, Radial Speed, Proper Motion

HR4998 is distant 507.00 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

155.52
507.00
12 km/s
0.074 arcsec/y
-0.052"/y

Alternative Designations

SAO100473
SAO100473

Visibility from Your Location

Today's HR4998 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.8°
Max altitude: 49.7°
Azimuth: 281.2°