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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
wb_twilight   (Civil Twilight)   What's Visible Now?
All Constellations » Ophiuchus » 

Marfik - λ Ophiuchi (lambda Ophiuchi)

Below the horizon.  Rise: 15:08 | Tran: 21:16 | Set: 3:27
Alt: -12.94°   Az: 290.14°   Direction: West-North-West

Marfik, also designated as λ Ophiuchi (lambda Ophiuchi), is a variable and multiple hypergiant star of spectral class A0 in the constellation of Ophiuchus.

Marfik visual magnitude is 3.82. Because of its moderate brightness, Marfik is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of Marfik - λ Ophiuchi (lambda Ophiuchi) star
DSS2 image of Marfik. The red arrow shows the motion of Marfik during the next 10000 years (-4.50 arcmin in Right Ascension and -12.17 arcmin in declination);

Celestial Coordinates

Apparent

16h 32m 09s
+01° 55’ 56”
07h 34m 53s
00h 07m 02s

J2000

16h 30m 54s
+01° 59’ 02”

Galactic Coordinates

17.12°
31.85°

Finder Chart

Finder chart Marfik - λ Ophiuchi (lambda Ophiuchi) star
Simplified finder chart for Marfik - λ Ophiuchi (lambda Ophiuchi).

Magnitude, Color, Spectral Class

3.82
Hypergiant

0.28
A0V
10002K

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

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

Star System Properties

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

3.82
4.82
1
1.2 arcsec

Distance, Radial Speed, Proper Motion

Marfik is distant 166.07 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

50.94
166.07
-14 km/s
-0.027 arcsec/y
-0.073"/y

Alternative Designations

Marfik
λ Ophiuchi
(lambda Ophiuchi)
10 Ophiuchi
SAO121658
SAO121658

Visibility from Your Location

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

Azimuth: 88.1°
Max altitude: 40.5°
Azimuth: 271.9°