44 Ophiuchi

Below the horizon. Rise: 14:50 | Tran: 18:31 | Set: 22:12

Alt: -1.05° Az: 129.43° Direction: South-East

44 Ophiuchi is a variable star of spectral class A3 in the constellation of Ophiuchus.

44 Ophiuchi visual magnitude is 4.17. Because of its moderate brightness, 44 Ophiuchi 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.

DSS2 image of 44 Ophiuchi. The red arrow shows the motion of 44 Ophiuchi during the next 1000 years (0.00 arcmin in Right Ascension and -1.93 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 27m 52s

Declination -24° 11’ 41”

Hour Angle 20h 08m 36s

Sideral Time 13h 36m 29s

J2000

Right Ascension 17h 26m 22s

Declination -24° 10’ 31”

Galactic Coordinates

Galactic Longitude 1.71°

Galactic Latitude 6.19°

Finder Chart

Simplified finder chart for 44 Ophiuchi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.17

Class

Absolute magnitude 2.12

Spectral Type A3

Color Index (B-V) 0.28

Temperature 7591K

The red dot in the diagram below shows where 44 Ophiuchi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 44 Ophiuchi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

44 Ophiuchi is distant 83.68 light years from the Sun and it is moving towards the Sun at the speed of 37 kilometers per second.

Distance (parsec) 25.67

Distance (light year) 83.68

Radial Speed -37 km/s

Proper Motion Dec -0.116"/y

Alternative Designations

Flamsteed designation 44 Ophiuchi

Henry Draper Catalogue HD157792

SAO Catalogue SAO185401

Hipparcos Catalogue HIP85340

Durchmusterung Catalogue CD-2413337

Gliese Catalogue Gl 673.1

FK5 Catalogue 1457

General Catalogue of Variable Stars 8640

Visibility from Your Location

Today's 44 Ophiuchi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 114.2° RISE 14:50

Max altitude: 14.3° TRANSIT 18:31

Azimuth: 245.8° SET 22:12

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

Location

Other stars in Ophiuchus