What are the major stars in the Delphinus constellation?
Delphinus’ five brightest stars form a distinctive asterism symbolizing a dolphin with four stars representing the body and one the tail. It is bordered (clockwise from north) by Vulpecula, Sagitta, Aquila, Aquarius, Equuleus and Pegasus.
What is the brightest star in Delphinus?
Delphinus, (Latin: “Dolphin”) small constellation in the northern sky at about 21 hours right ascension and 10° north in declination. The brightest star in Delphinus is Rotanev, with a magnitude of 3.63.
Where can you see Delphinus constellation?
The constellation Delphinus, the dolphin, is visible in late summer from the Northern Hemisphere. It can be seen at latitudes between 90 degrees and -70 degrees. It is a small constellation, occupying an area of only 189 square degrees. This ranks it 69th in size among the 88 constellations in the night sky.
What is special about Delphinus?
Delphinus, meaning “the dolphin” in Latin, was one of the 48 constellations catalogued by the Greek astronomer Ptolemy in his 2nd century treatise called Almagest. Unlike many other constellations, Delphinus actually resembles the sea animal it depicts, making it easily recognizable in the night sky.
What type of star is Delphinus?
γ Delphini (Gamma Delphini) Gamma Delphini is a binary star system composed of a white main sequence star of the spectral type F7V and an orange subgiant with the stellar classification K1IV. The system lies at a distance of 101 light years from Earth. The stars have apparent magnitudes of 5.14 and 4.27.
What does Delphinus look like?
Delphinus looks very much like the animal it’s supposed to represent. Its faint stars form a kite shape with a tail. The little dolphin appears to leap out of the dark waters of the night sky.
What type of star is Alpha delphini?
spectroscopic binary star
Alpha Delphini A is a spectroscopic binary star which has now been resolved using speckle interferometry. The components are separated by 0.2″ and have a 17-year orbit. Alpha Delphini Aa has a spectral type of B9IV.
How do you get to Delphinus?
Delphinus lies just outside of the line connecting the stars Deneb in Cygnus and Altair in Aquila. These bright stars form two corners of the famous Summer Triangle asterism. Scan along that line with your eye or binoculars. If your sky is dark enough, Delphinus will pop into view.
Who found the constellation Delphinus?
Delphinus is also home to numerous Deep Sky Objects, like the relatively large globular cluster NGC 6934. Located near Epsilon Delphini, this cluster is roughly 50,000 light years from Earth and was discovered by William Herschel on September 24th, 1785.
What is the story behind the constellation Delphinus?
Delphinus in history and mythology In Greek mythology, Delphinus represents the dolphin sent by the sea god Poseidon to fetch Amphitrite, a goddess of the sea and one of the fabled Nereids. It’s said Poseidon chose Amphitrite from among her sisters as they performed a dance on the isle of Naxos.
What months can you see Delphinus?
Finding Delphinus: Delphinus is bordered by the constellations of Vulpecula, Sagitta, Aquila, Aquarius, Equuleus and Pegasus. It is visible to all viewers at latitudes between +90° and -70° and is best seen at culmination during the month of September.
Who is Delphinus in Greek mythology?
What is the brightest star in the Delphini constellation?
MAJOR STARS IN DELPHINUS. α Delphini (Alpha Delphini) Alpha Delphini is the brightest star in the constellation. It has a combined apparent magnitude of 3.77. It is a multiple star, consisting of seven components: A and G, a physical pair, and B, C, D, E, and F, which are optical binaries.
How many stars are in Delphinus constellation?
Delphinus has five stars with known planets and contains no Messier objects. The brightest star in the constellation is Rotanev, Beta Delphini. There are no meteor showers associated with the constellation.
What is the main asterism in Delphinus?
The main asterism in Delphinus is Job’s Coffin, nearly a 45°-apex lozenge diamond of the four brightest stars: Alpha, Beta, Gamma, and Delta Delphini. Delphinus is in a rich Milky Way star field.
What is the history of the constellation Delphinus?
History of Observation: The small constellation of Delphinus was one of the original 48 constellations complied by Ptolemy in the Almagest in the 2nd century CE. In Chinese astronomy, the stars of Delphinus are located within the Black Tortoise of the North (Bei Fang Xuán Wu) – one of the four symbols associated with the Chinese constellations.