News
Detection of an extrasolar planet
A planet the size of Jupiter (TrES-1) has been detected from its transits around a star K0 V. (Data: M=0.75 ± 0.07 MJ R= 1.08 (+0.18,-0.04) RJ ). This is the...
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NewsDetection of anomalous microwave emission in the Perseus molecular cloudAn anomalous emission has been detected in the microwave region of the Perseus Molecular Cloud. This work extends the frequency range of the studies being...
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NewsDetection of companion stars of the pulsar X1822-371 and black hole candidate GX339-4Ref 1: X1822-3711 | Ref 2: GX339-4 Detecting companion stars in these systems has been impossible until now. Thanks to a new technique developed at the IAC...
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NewsDetection of second-generation asymptotic giant branch stars in metal-poor globular clustersGalactic globular clusters (GCs) are known to host multiple stellar populations: a first generation (FG) with a chemical pattern typical of halo field stars and...
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NewsDetection of the first R Coronae Borealis star pertaining to a binary system.The stellar origin of the extremely hydrogen-deficient R Coronae Borealis (RCB) stars has remained a mystery for astronomers since their discovery more than two...
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NewsDetection of TiO and Na in the atmosphere of the hot Jupiter HAT-P-65bWe present the low-resolution transmission spectra of the puffy hot Jupiter HAT-P-65b (0.53 MJup, 1.89 RJup, Teq = 1930 K), based on two transits observed using...
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NewsDetermination of O and Fe abundances in the metal poor starsThe abundances of oxygen and iron in metal-poor stars have been determined through non-LTE radiative transfer simulations in three-dimensional (3D)...
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NewsDetermination of oxygen abundances in stars with planetsA study comparing the oxygen abundance of stars with planets to stars without planets has been completed. By looking at various indicators of the O abundance...
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NewsDetermination of the range of masses for the compact object in binary r-X 2S 0921-630The range of masses for the compact object in binary r-X 2S 0921-630 has been determined (between 2.0-4.3 solar masses), consistent with a massive neutron star...