ι2 Cygni (iota2 Cygni)

Altitude: 81.2° Azimuth: 82.8° Direction: East

ι2 Cygni is a main-sequence star in the constellation of Cygnus.

ι2 Cygni visual magnitude is 3.79. Because of its moderate brightness, ι2 Cygni should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ι2 Cygni:

Color of ι2 Cygni ⬤

Magnitude of ι2 Cygni 3.79

Class Main-sequence

VISIBILITY RIGHT NOW

ι2 Cygni (iota2 Cygni) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 81.2°
Azimuth: 82.8°
Direction: East

Celestial coordinates and finder chart of ι2 Cygni

ι2 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 ι2 Cygni are provided in the following table:

Right Ascension J2000 19h 29m 42s

Declination J2000 +51° 43’ 46”

Galactic Longitude 83.61°

Galactic Latitude 15.45°

Constellation Cygnus

The simplified sky map below shows the position of ι2 Cygni in the sky:

Finder chart ι2 Cygni (iota2 Cygni) star

Simplified finder chart for ι2 Cygni (iota2 Cygni).

Visibility of ι2 Cygni from your location

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

ι2 Cygni (iota2 Cygni) is circumpolar and transits at 02:20 UTC (altitude: 89.8°)

Digitized Sky Survey image of ι2 Cygni

The image below is a photograph of ι2 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 ι2 Cygni is 0.02 arcsec per year in Right Ascension and 0.13 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of ι2 Cygni. The red arrow shows the motion of ι2 Cygni during the next 1000 years (0.33 arcmin in Right Ascension and 2.17 arcmin in declination);

Distance of ι2 Cygni from the Sun and relative movement

ι2 Cygni is distant 122.42 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

Distance (parsec) 37.55 pc

Distance (light year) 122.42 ly

Heliocentric radial velocity -20 km/s

Proper Motion RA 0.02 arcsec/year

Proper Motion Dec 0.13 arcsec/year

Spectral properties of ι2 Cygni

ι2 Cygni belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.92

Spectral Type A5V

Color Index (B-V) 0.14

Temperature of ι2 Cygni 8658K

The red dot in the diagram below shows where ι2 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ι2 Cygni. Attribution: Richard Powell / CC BY-SA

Alternative designations of ι2 Cygni

Bayer designation ι2 Cygni
(iota2 Cygni)

Flamsteed designation 10 Cygni

Henry Draper Catalogue HD184006

SAO Catalogue SAO31702

Hipparcos Catalogue HIP95853

Durchmusterung Catalogue BD+51 2605

FK5 Catalogue 733

In Evidence

Other stars in Cygnus