alexa Aryabhatta Research Institute of Observational Sciences

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Aryabhatta Research Institute of Observational Sciences

The foundation was begun on 20 April 1954 under the supervision of Dr.A.N.Singh as Uttar Pradesh State Observatory (UPSO) in the premises of the Govt. Sanskrit College, by and by known as Sampurnanand Sanskrit University, Varanasi, and Uttar Pradesh. Aryabhatta Research Institute of Observational Sciences (ARIES) was its new name when it went under the Department of Science and Technology (DST), Govt. of India as an independent body on 22 March 2004. Aryabhatta Research Institute of Observational Sciences (ARIES) is a main research organization in Nainital, Uttarakhand which spends significant time in Astronomy, Astrophysics and Atmospheric Sciences. A self-ruling body under the Department of Science and Technology (DST), Government of India, the establishment is arranged at Manora Peak (1,951 m (6,401 ft)), around 9 km from Nainital, a well-known slope station. Research activities at ARIES cover topics related to the sun, stars and galaxies. ARIES has made significant contributions particularly to the field of star clusters and Gamma-Ray Bursts (GRBs). The longitude of ARIES (79° East) locates it in the middle of a 180-degree wide longitude band having modern astronomical facilities lying between the Canary Islands (20° West) and Eastern Australia (157° East).Observations, which are not possible in Canary Islands or Australia due to daylight, can be made at ARIES. Because of its geographical location and existence of good astronomical observation sites, ARIES has made unique contributions to many areas of astronomical research, particularly those involving time critical phenomena (e.g., the first successful attempt in the country to observe optical afterglow of GRBs was carried out from ARIES). A large number of eclipsing binaries, variable stars, star clusters, nearby galaxies, GRBs, and supernova have been observed from ARIES. The other research fields of the institute include solar astronomy, stellar astronomy, star clusters, stellar variability and pulsation, photometric studies of nearby galaxies, Quasars, and transient events like supernovae and highly energetic Gamma-Ray Bursts (GRBs). A total solar eclipse lasting about 4 minutes was successfully observed from Manavgat, Antalya in Turkey on 29 March 2006 by a team of scientists from the Institute. In past, new ring systems around Saturn, Uranus, and Neptune were discovered from the observatory. Recently, for the first time a direct correlation between the intra-night optical variability and the degree of polarization of the radio jets in Quasars was established based on the observations from ARIES. For the first time periodic oscillations are detected in optical intraday variability data of blazers which is extremely useful to get the blackhole mass of blazers and also provide a strong support to accretion disk based models of AGN.

The following is the list of articles by scholars from Aryabhatta Research Institute of Observational Sciences that are published in OMICS International journals.