42 Aquarii

Altitude: -51.2° Azimuth: 352.8° Direction: North

42 Aquarii is a giant star in the constellation of Aquarius.

42 Aquarii visual magnitude is 5.34. Because of its reltive faintness, 42 Aquarii 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 42 Aquarii:

Color of 42 Aquarii ⬤

Magnitude of 42 Aquarii 5.34

Class Giant

VISIBILITY RIGHT NOW

42 Aquarii is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -51.2°
Azimuth: 352.8°
Direction: North

Celestial coordinates and finder chart of 42 Aquarii

42 Aquarii is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 42 Aquarii are provided in the following table:

Right Ascension J2000 22h 16m 48s

Declination J2000 -12° 49’ 53”

Galactic Longitude 46.72°

Galactic Latitude -51.16°

Constellation Aquarius

The simplified sky map below shows the position of 42 Aquarii in the sky:

Simplified finder chart for 42 Aquarii.

Visibility of 42 Aquarii 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 42 Aquarii 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: 102.8° RISE 1:35

Max altitude: 25.7° TRANSIT 6:27

Azimuth: 257.2° SET 11:19

RIGHT NOW 42 Aquarii is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 42 Aquarii

The image below is a photograph of 42 Aquarii 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 42 Aquarii is 0.015 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 42 Aquarii. The red arrow shows the motion of 42 Aquarii during the next 10000 years (2.50 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of 42 Aquarii from the Sun and relative movement

42 Aquarii is distant 483.68 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 148.37 pc

Distance (light year) 483.68 ly

Heliocentric radial velocity 13 km/s

Proper Motion RA 0.015 arcsec/year

Proper Motion Dec 0.006 arcsec/year

Spectral properties of 42 Aquarii

42 Aquarii belongs to spectral class K0

Absolute magnitude -0.52

Spectral Type K0

Color Index (B-V) 1.14

Temperature of 42 Aquarii 4430K

The red dot in the diagram below shows where 42 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 42 Aquarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 42 Aquarii

Flamsteed designation 42 Aquarii

Henry Draper Catalogue HD211361

SAO Catalogue SAO164974

Hipparcos Catalogue HIP110000

Durchmusterung Catalogue BD-13 6148

In Evidence

Other stars in Aquarius