42 Piscium

42 Piscium is a double giant star in the constellation of Pisces.

42 Piscium visual magnitude is 6.23. Because of its reltive faintness, 42 Piscium 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 Piscium:

Color of 42 Piscium ⬤

Magnitude of 42 Piscium 6.23

Class Giant

VISIBILITY RIGHT NOW 42 Piscium is above the horizon from Greenwich, United Kingdom [change]. Altitude: 30°.

Celestial coordinates and finder chart of 42 Piscium

42 Piscium 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 Piscium are provided in the following table:

Right Ascension J2000 00h 22m 25s

Declination J2000 +13° 28’ 56”

Galactic Longitude 112.19°

Galactic Latitude -48.78°

Constellation Pisces

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

Simplified finder chart for 42 Piscium.

Visibility of 42 Piscium from your location

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

Today's 42 Piscium rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.5° RISE 5:36

Max altitude: 52.0° TRANSIT 12:44

Azimuth: 283.5° SET 19:51

RIGHT NOW 42 Piscium is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 42 Piscium

The image below is a photograph of 42 Piscium 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 Piscium is 0.062 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 42 Piscium. The red arrow shows the motion of 42 Piscium during the next 10000 years (10.33 arcmin in Right Ascension and 3.50 arcmin in declination);

Distance of 42 Piscium from the Sun and relative movement

42 Piscium is distant 545.15 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 167.22 pc

Distance (light year) 545.15 ly

Heliocentric radial velocity 3 km/s

Proper Motion RA 0.062 arcsec/year

Proper Motion Dec 0.021 arcsec/year

Spectral properties of 42 Piscium

42 Piscium belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.11

Spectral Type K3III

Color Index (B-V) 1.22

Temperature of 42 Piscium 4270K

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

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

42 Piscium star system properties

42 Piscium is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 42 Piscium double sysyem:

Main star magnitude 6.23

Secondary star magnitude 10.83

Magnitude difference 4.6

Separation 28.9 arcsec

Alternative designations of 42 Piscium

Flamsteed designation 42 Piscium

Henry Draper Catalogue HD1796

SAO Catalogue SAO91866

Hipparcos Catalogue HIP1772

Durchmusterung Catalogue BD+12 25

FK5 Catalogue 2020

Aitken Double Star Catalogue ADS303

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In Evidence

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