ι1 Cygni (iota1 Cygni)

ι1 Cygni is a main-sequence star in the constellation of Cygnus.

ι1 Cygni visual magnitude is 5.75. Because of its reltive faintness, ι1 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 ι1 Cygni:

Color of ι1 Cygni ⬤

Magnitude of ι1 Cygni 5.75

Class Main-sequence

VISIBILITY RIGHT NOW ι1 Cygni (iota1 Cygni) is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 14°.

Celestial coordinates and finder chart of ι1 Cygni

ι1 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 ι1 Cygni are provided in the following table:

Right Ascension J2000 19h 27m 25s

Declination J2000 +52° 19’ 14”

Galactic Longitude 84.02°

Galactic Latitude 16.01°

Constellation Cygnus

The simplified sky map below shows the position of ι1 Cygni in the sky:

Finder chart ι1 Cygni (iota1 Cygni) star

Simplified finder chart for ι1 Cygni (iota1 Cygni).

Visibility of ι1 Cygni from your location

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

ι1 Cygni (iota1 Cygni) is circumpolar and transits at 03:01 UTC (altitude: 89.2°)

Digitized Sky Survey image of ι1 Cygni

The image below is a photograph of ι1 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 ι1 Cygni is -0.014 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of ι1 Cygni. The red arrow shows the motion of ι1 Cygni during the next 10000 years (-2.33 arcmin in Right Ascension and -4.00 arcmin in declination);

Distance of ι1 Cygni from the Sun and relative movement

ι1 Cygni is distant 361.42 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 110.86 pc

Distance (light year) 361.42 ly

Heliocentric radial velocity 2 km/s

Proper Motion RA -0.014 arcsec/year

Proper Motion Dec -0.024 arcsec/year

Spectral properties of ι1 Cygni

ι1 Cygni belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.53

Spectral Type A1V

Color Index (B-V) 0

Temperature of ι1 Cygni 10125K

The red dot in the diagram below shows where ι1 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ι1 Cygni. Attribution: Richard Powell / CC BY-SA

Alternative designations of ι1 Cygni

Bayer designation ι1 Cygni
(iota1 Cygni)

Flamsteed designation 7 Cygni

Henry Draper Catalogue HD183534

SAO Catalogue SAO31673

Hipparcos Catalogue HIP95656

Durchmusterung Catalogue BD+52 2434

In Evidence

Other stars in Cygnus