Asteroid Day 2022 - O zi a porților deschise la Institutul Astronomic al Academiei Române

Pe 30 iunie 2022, între orele 10 a.m. - 18 p.m., Institutul Astronomic al Academiei Române (IAAR), organizează o nouă ediție a evenimentului cultural „Asteroid Day”, sub forma unei zile a porților deschise. Intrarea publicului în incinta parcului științific și educațional al IAAR din București, str. Cuțitul de Argint, nr.5, se va face prin înscrierea pe lista de acces, a fiecărei persoane care dorește să participe la acest eveniment. Pentru înscrieri, Institutul Astronomic pune la dispoziția persoanelor interesate nr. de tel. 021 335 68 92 și adresa de email

În cadrul evenimentului, publicul va beneficia de un circuit de vizitare, cu ghidaj de specialitate, a spațiilor de tip muzeal ale IAAR - Sala Meridian și Cupola Ecuatorială, și a principalelor arii de cercetare științifică - Cupola Soare și Clădirea Telescop.

În incinta acestor construcții, vor putea fi văzute unele dintre cele mai importante instrumente ale astronomiei românești din ultima sută de ani și mai bine - lunetele Prin-Merz și Gautier-Prin, ambele fiind clasate de Guvernul Românei ca Tezaur cultural al poporului român, alături de camera fotografică AFU-75, pendulele fundamentale Le Roy și Riefler, mașinile de calculat mecanice și electro-mecanice Mercedes și Rheinmetall, succedate apoi de cele electrice Elka și de primul calculator electronic românesc, Felix, și acesta prezent în expoziție.

În Sala Planetariu, astronomii profesioniști ai IAAR vor oferi publicului prezentări cu suport video despre aceste corpuri cerești misterioase ale Universului, asteroizii, în contextul activității românești de cercetare științifică din domeniul astronomiei.

Ziua Asteroidului - 2022, la Institutul Astronomic al Academiei Române. Asteroid Ryugu model credit: JAXA
H.E. Mr. Rahul Shrivastava in the Equatorial Dome of AIRA, receiving detailed explanations from our Director, Dr. Mirel Bîrlan

H.E. Mr. Rahul Shrivastava, the Ambassador of India, visited AIRA's headquarteres in Bucharest

Tuesday, 31st of May 2022, H.E. Mr. Rahul Shrivastava, the Ambassador of India in Romania, Republic of Moldova and Albania visited the headquarters of the Astronomical Institute of the Romanian Academy in Bucharest. He was welcomed by our Director Dr. Mirel Bîrlan and by a multidisciplinary team of AIRA members, which also included Dr. Alin Nedelcu, Dr. Diana Ionescu, Dr. Mark Rushton and Sorin Marin. Having a focus on the scientific cooperation between Romania and India in the specific fields of astronomy, astrophysics and the related sciences, the discussions affirmed the mutual interest and potential for a dynamic bilateral scientific agenda, to be followed at a national and international level. The scientific cooperation of the Romanian astronomers with their Indian counterparts of Kolkata, was also remembered during the talks as one of the foundation blocks upon which to continue building the next level of scientific partnership between our two nations.

During the visit, H.E. Mr. Rahul Shrivastava had a guided tour in our 3 Ha. scientific and educational park in Bucharest, and was presented in brief its main buildings, instruments as well as our scientific history of almost two centuries in this particular place of Bucharest. Walking of the foot steps of the first monarch of modern Romania, prince Alexandru Ioan Cuza, who was present here on the same property back in the XIXth C., H.E. the Ambassador of India in Romania visited the Bosianu House. In this building, the details of the 1859 Union between Moldova and Wallachia were set, which led to the creation of the modern Romanian state, a long dreamed, visionary achievement of many generations of Romanians and the nucleus of the Great Union of Romania on the 1st of December 1918.

High Speed Streams Catalogue

A High-speed streams (HSSs) catalogue was issued for Solar Cycle 24 (SC24) by Besliu-Ionescu et al. (2022) and is available online at Such a catalogue is extremely valuable as it help researchers understand the solar wind state close to the Earth from the point of view of the speed state at a given moment.

HSSs in the solar wind are an important physical driver of space weather. Along with other solar-driven phenomena, they may seriously impact various aspects of our increasingly sophisticated technological lives.

The HSS catalogue for SC24 considers only HSSs generated by coronal holes. These HSSs are recurrent, co-rotating streams with an apparent tendency to occur every 27 days. There are also non-recurrent HSSs produced by certain eruptive solar phenomena such as flares, coronal mass ejections, sudden disappearing filaments, or eruptive prominences.

The catalogue distinctively shows HSS basic properties, their sources, parameters of the interplanetary magnetic field, and various properties related to the associated geomagnetic storms.

The paper can be read here. Contact diana.ionescu (at)

Sunspot number plot with number of HSSs (black bars) and associated GSs (red bars).
During the events, our team members interacted with a large number of visitors.

AIRA's participation to Astrofest & Space and Security for Eastern Europe Conference and Exhibition

The Astronomical Institute of the Romanian Academy took part recently to several cultural events: Astrofest 2022 (7 May 2022), a public science & astronomy fair and outreach event organized every year in Bucharest; and the conference and exhibition „Space and Security for Eastern Europe. Romania - 10 years in the European Space Agency” (16-19 May 2022).

During both events, the Astronomical Institute was present with a colorful, dedicated exhibition stand and a specific cultural offer in terms of information about our scientific researches on a theoretical and practical level, including the instruments and technologies we use in these processes. The constant flow of people around our exhibition stand, gave us the chance of presenting to the public, through a series of large info panels with graphics and text, the cultural and patrimonial heritage of our 3 Ha. scientific and educational park in Bucharest. Countless questions were asked and answers were given, while several group visits of our headquarters were booked as well.

For the second event, as the exhibition format allowed us, we brought in our stand additional hardware and IT support such as the two touch screen Info Points, quite popular among our visitors, and an all-sky MOROI/FRIPON scientific camera connected through a dedicated PC to a laser projector, which offered to the visitors a live demonstration of the image and optics parameters that are used by this type of AIRA equipment.

The events gathered at our exhibition stand a wide public, from kindergarten children who looked with amazed eyes and exclamations to the spaceship and astronauts models we presented as educational accessories for their age group, up to Romania’s first and only man in space, our cosmonaut and Romanian Army general, Dr. Eng. Dumitru Prunariu.


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