News type: Research news

  • News
    Deep spectroscopic luminosity function of Abell 85: no evidence for a steep upturn of the faint-end slope.
    We present a new deep determination of the spectroscopic LF within the virial radius of the nearby and massive Abell 85 (A85) cluster down to the dwarf regime...
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    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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    Detection of anomalous microwave emission in the Perseus molecular cloud
    An 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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    Detection of companion stars of the pulsar X1822-371 and black hole candidate GX339-4
    Ref 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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    Detection of Methane in the Closest Extreme Metal-poor T Dwarf
    WISEA J181006.18-101000.5 (WISE1810) is the nearest metal-poor ultracool dwarf to the Sun. It has a low effective temperature and has been classified as an...
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    Detection of second-generation asymptotic giant branch stars in metal-poor globular clusters
    Galactic 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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    Detection 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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    Detection of TiO and Na in the atmosphere of the hot Jupiter HAT-P-65b
    We 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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    Determination of O and Fe abundances in the metal poor stars
    The abundances of oxygen and iron in metal-poor stars have been determined through non-LTE radiative transfer simulations in three-dimensional (3D)...