44 Cygni

44 Cygni is a multiple supergiant star in the constellation of Cygnus.

44 Cygni visual magnitude is 6.19. Because of its reltive faintness, 44 Cygni should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 44 Cygni:

Color of 44 Cygni ⬤

Magnitude of 44 Cygni 6.19

Class Supergiant

VISIBILITY RIGHT NOW 44 Cygni is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 4°.

Celestial coordinates and finder chart of 44 Cygni

44 Cygni is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 44 Cygni are provided in the following table:

Right Ascension J2000 20h 30m 59s

Declination J2000 +36° 56’ 08”

Galactic Longitude 76.44°

Galactic Latitude -1.45°

Constellation Cygnus

The simplified sky map below shows the position of 44 Cygni in the sky:

Simplified finder chart for 44 Cygni.

Visibility of 44 Cygni from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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

Azimuth: 53.1° RISE 18:05

Max altitude: 75.5° TRANSIT 4:49

Azimuth: 306.9° SET 15:29

RIGHT NOW 44 Cygni is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 44 Cygni

The image below is a photograph of 44 Cygni from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 44 Cygni is 0.003 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 44 Cygni. The red arrow shows the motion of 44 Cygni during the next 100000 years (5.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of 44 Cygni from the Sun and relative movement

44 Cygni is distant 1,582.52 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 485.44 pc

Distance (light year) 1,582.52 ly

Heliocentric radial velocity -22 km/s

Proper Motion RA 0.003 arcsec/year

Proper Motion Dec -0.004 arcsec/year

Spectral properties of 44 Cygni

44 Cygni belongs to spectral class F5 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -2.24

Spectral Type F5I

Color Index (B-V) 1.01

Temperature of 44 Cygni 4719K

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

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

44 Cygni star system properties

44 Cygni is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 44 Cygni double sysyem:

Main star magnitude 6.19

Secondary star magnitude 9.59

Magnitude difference 3.4

Separation 2 arcsec

Alternative designations of 44 Cygni

Flamsteed designation 44 Cygni

Henry Draper Catalogue HD195593

SAO Catalogue SAO70135

Hipparcos Catalogue HIP101214

Durchmusterung Catalogue BD+36 4105

Aitken Double Star Catalogue ADS13949

In Evidence

Other stars in Cygnus