News
The long-period binary central stars of the planetary nebulae NGC 1514 and LoTr 5
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NewsThe magnetic sensitivity of the Mg II k line to the joint action of Hanle, Zeeman and magneto-optical effectsThe polarization of the Mg II k line at 279.5 nm encodes valuable information on the magnetic field of the upper solar chromosphere, where this strong resonance...
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NewsThe Metal-Poor Edge of the Milky Way’s Thin DiskThe formation and evolution of the disk of our Galaxy, the Milky Way, remains an enigma in astronomy. In particular, the relationship between the thick disk and...
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NewsThe most distant compact groups.We present photometric and spectroscopic observations of the members of three previously cataloged compact group (CG) candidatesat redshifts $z>0.3$. These...
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NewsThe Nature and Nurture of Bars and Disks.The effects that interactions produce on galaxy disks and how they modify the subsequent formation of bars need to be distinguished to fully understand the...
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NewsThe nature of an extreme B supergiant in Cygnus2MASS J20395358+4222505 is an obscured early B supergiant near the massive OB star association Cyg OB2. Despite its bright infrared magnitude (Ks= 5.82) it has...
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NewsTHE NATURE OF GROWING BULGES WITHIN Z < 1.3 GALAXY DISKS IN THE GOODS-N FIELD.The ideas on the formation history of disk galaxy bulges can beconfronted with direct observations of high redshift bulge precursors. Of vital importance is the...
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NewsThe nuclear dust lane of Circinus: collimation without a torusIn some AGN, nuclear dust lanes connected to kpc-scale dust structures provide all the extinction required to obscure the nucleus, challenging the role of the...
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NewsThe observations of the Moon Eclipses help to find new Earths.Una novedosa técnica permite a un grupo de investigadores del IAC analizar por primera vez la atmósfera de la Tierra a través de un eclipse lunar El estudio...