Monoceros

Monoceros (Greek: , "unicorn") is a faint constellation on the celestial equator. Its definition is attributed to the 17th-century cartographer Petrus Plancius. It is bordered by Orion to the west, Gemini to the north, Canis Major to the south, and Hydra to the east. Other bordering constellations include Canis Minor, Lepus, and Puppis.

Open cluster

nebula in the Milky Way Galaxy

Reflection nebula in the constellation Monoceros

Open cluster in the constellation Monoceros

Open cluster in the constellation Monoceros

CoRoT-7b (previously named CoRoT-Exo-7b) is an exoplanet orbiting the star CoRoT-7 in the constellation of Monoceros, from the Earth. It was first detected photometrically by the French-led CoRoT mission and reported in February 2009. Until the announcement of Kepler-10b in January 2011, it was the smallest exoplanet to have its diameter measured, at 1.58 times that of the Earth (which would give it a volume about 3.94 times Earth's) and the first potential extrasolar terrestrial planet to be found. The exoplanet has a very short orbital period, revolving around its host star in about 20 hours

planetary nebula in the constellation Monoceros

Open cluster in the constellation Monoceros

star in Monoceros constellation

red supergiant

open cluster in the constellation Monoceros

reflection nebula

galaxy

open cluster in Monoceros

open cluster

unknown astronomical object in the New General Catalogue

star

star in the constellation Monoceros

open cluster in the constellation Monoceros

CoRoT-1b (previously named CoRoT-Exo-1b) is a transiting extrasolar planet approximately 2,630 light-years away in the constellation of Monoceros. The planet was discovered orbiting the yellow dwarf star CoRoT-1 in May 2007. The planet was the first discovery by the French-led CoRoT Mission.

planetary nebula

binary stellar system in the constellation Monoceros

reflection nebula

h II region in the constellation Monoceros

CoRoT-7 (TYC 4799-1733-1) is a binary star system made up of a late G-type star and a M-dwarf star that was discovered in 2021. The primary star has three exoplanets, including CoRoT-7b, a super-Earth exoplanet that is remarkable due to its extremely high temperature (around 2000°C) and very short orbital period, around 20 hours. It was the first exoplanet shown to be rocky. The system has the name CoRoT-7 after the CoRoT space telescope, which discovered the exoplanets around the star CoRoT-7A. The stellar system is 520 light-years from the Earth. == Stellar components == === CoRoT-7A === The

star in the constellation Monoceros

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CoRoT-4b (formerly known as CoRoT-Exo-4b) is an extrasolar planet orbiting the star CoRoT-4. It is probably in synchronous orbit with stellar rotation. It was discovered by the French CoRoT mission in 2008.

A0620-00 (abbreviated from 1A 0620-00) is a binary star system in the constellation of Monoceros, with an apparent magnitude of 11.2.

reflection in the constellation of Monoceros

binary star in the constellation Monoceros

star in the constellation Monoceros

CoRoT-1 is a yellow dwarf main sequence star similar to the Sun. The star is located approximately 2,510 light-years away in the constellation of Monoceros. The apparent magnitude of this star is 13.6, which means it is not visible to the naked eye; however, it can be seen through a medium-sized amateur telescope on a clear, dark night. The first exoplanet discovered in the course of the CoRoT mission orbits this star; it is considered to be a "hot Jupiter", and is approximately as massive as the planet Jupiter itself.

star in the constellation Monoceros

CoRoT-5b (previously named CoRoT-Exo-5b) is an extrasolar planet orbiting the F-type star CoRoT-5. It was first reported by the CoRoT mission team in 2008 using the transit method. This planet has been confirmed by a Doppler follow-up study.

CoRoT-7c is an extrasolar planet which orbits the G-type main sequence star CoRoT-7, located approximately 489 light years away in the constellation Monoceros. It is either a super-Earth or a Neptune-like planet, orbiting at 0.046 AU from the star, taking 3.7 days or 89 hours to make one round trip around the star.

brown dwarf star in the constellation Monoceros

variable star in the constellation Monoceros

star in the constellation Monoceros

star in the constellation Monoceros

variable star in the constellation Monoceros

star in the constellation Monoceros

star in the constellation Monoceros

H II region

star in the constellation Monoceros

star in the constellation Monoceros

variable star in the constellation Monoceros

star in the constellation Monoceros

extrasolar planet

binary star system in the constellation Monoceros

star in the constellation Monoceros

star in the constellation Monoceros

The Monocerotids refers to two separate meteor showers originating from the constellation of Monoceros. The Alpha Monocerotids, the more prominent of the two showers, takes place in November, while the second, lesser-known December Monocerotids shower takes place in December and appears to have an orbit similar to that of comet C/1917 F1 (Mellish).

star in the constellation Monoceros

star in the constellation Monoceros

star in the constellation Monoceros

variable star in the constellation Monoceros

variable star in the constellation Monoceros

extrasolar planet