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Triangulum Constellation
Constellation Triangulum the Triangle Star Map

Triangulum, the Triangle (Tri)


The constellation of Triangulum, the Triangle, is best viewed in Winter during the month of December. It's brightest star is Beta Trianguli at magnitude 3.00. The boundary of the Triangulum constellation contains 3 stars that host known exoplanets.

      1. Pronunciation:
      2. try-ANG-you-lum
      1. Meaning:
      2. Triangle
      1. Genitive:
      2. Trianguli
      1. Abbreviation:
      2. Tri
      1. Constellation Family:
      2. Perseus
      1. Hemisphere:
      2. Northern
      1. Quadrant:
      2. NQ1
      1. Best viewing month*:
      2. December
      1. Right Ascension (avg):
      2. 2h 3m
      1. Declination (avg):
      2. 32° 20'
      1. Brightest star:
      2. Beta Trianguli  (3.00)
      1. Stars with planets:
      2. 3

    Double Stars in Triangulum

    These are the brightest and easiest-to-find double, triple, and quadruple star systems in the constellation Triangulum.

        1. Star system
        2. Magnitudes
        3. Type
        1. Iota Trianguli
        2. 5.3, 6.7
        3. double

      Galaxies in Triangulum

      The most notable, famous, and easy-to-find galaxies in the constellation Triangulum :

          1. Galaxy name
          2. Catalog #
          3. Galaxy type

        Black Holes in Triangulum

        These are the most well-known smaller (non-supermassive) black holes in the constellation Triangulum. Although black holes cannot be seen directly, the smaller ones are at the center of some star clusters and supernova remnant nebulae, which can be seen. Supermassive black holes are at the center of most galaxies, such as Sagittarius A* at the center of our Milky Way galaxy.

            1. Black hole
            2. Type
            1. M33 X-7
            2. stellar

          * For southern latitudes, flip the season listed. For example, if a constellation is listed as best viewed in the summer in the month of July, in the southern hemisphere the constellation would be best viewed in the winter in January and would be upside-down.

          ** Circumpolar constellations are visible year-round in the hemisphere listed (and not at all in the opposite).