Maasym - λ Herculis (lambda Herculis)

Maasym, also designated as λ Herculis (lambda Herculis), is a variable giant star in the constellation of Hercules.

Maasym visual magnitude is 4.41. Because of its moderate brightness, Maasym 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 Maasym:

Color of Maasym ⬤

Magnitude of Maasym 4.41

Class Giant

VISIBILITY RIGHT NOW Maasym - λ Herculis (lambda Herculis) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of Maasym

Maasym 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 Maasym are provided in the following table:

Right Ascension J2000 17h 30m 44s

Declination J2000 +26° 06’ 38”

Galactic Longitude 49.48°

Galactic Latitude 28.44°

Constellation Hercules

The simplified sky map below shows the position of Maasym in the sky:

Finder chart Maasym - λ Herculis (lambda Herculis) star

Simplified finder chart for Maasym - λ Herculis (lambda Herculis).

Visibility of Maasym from your location

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

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

Azimuth: 63.9° RISE 20:51

Max altitude: 64.6° TRANSIT 5:24

Azimuth: 296.1° SET 13:54

RIGHT NOW Maasym - λ Herculis (lambda Herculis) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Maasym

The image below is a photograph of Maasym 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 Maasym is 0.02 arcsec per year in Right Ascension and 0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Maasym - λ Herculis (lambda Herculis) star

DSS2 image of Maasym. The red arrow shows the motion of Maasym during the next 10000 years (3.33 arcmin in Right Ascension and 3.00 arcmin in declination);

Distance of Maasym from the Sun and relative movement

Maasym is distant 367.12 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 112.61 pc

Distance (light year) 367.12 ly

Heliocentric radial velocity -26 km/s

Proper Motion RA 0.02 arcsec/year

Proper Motion Dec 0.018 arcsec/year

Spectral properties of Maasym

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

Absolute magnitude -0.85

Spectral Type K3III

Color Index (B-V) 1.44

Temperature of Maasym 3886K

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

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

Alternative designations of Maasym

Proper Name Maasym

Bayer designation λ Herculis
(lambda Herculis)

Flamsteed designation 76 Herculis

Henry Draper Catalogue HD158899

SAO Catalogue SAO85163

Hipparcos Catalogue HIP85693

Durchmusterung Catalogue BD+26 3034

FK5 Catalogue 1460

General Catalogue of Variable Stars 9070

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In Evidence

Other stars in Hercules