A generalized formulation of stellar speckle interferometry (SSI) and related techniques in terms of joint spatial/spatial-frequency energy representations are...
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PublicaciónFormulation of stellar speckle interferometry in terms of joint spatial/spatial-frequency representations
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PublicaciónGeometry of the Draco C1 Symbiotic Binary
Draco C1 is a known symbiotic binary star system composed of a carbon red giant and a hot, compact companion—likely a white dwarf—belonging to the Draco dwarf...
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NoticiaHallan evidencias de que las supergigantes azules podrían nacer de la fusión de dos estrellas
Una investigación internacional, liderada por la astrofísica Athira Menon del Instituto de Astrofísica de Canarias (IAC), ha encontrado pistas sobre la...
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PublicaciónInfrared and visible photometry of the RS CVn-star II Peg
Infrared photometry in J,H,K,L,M bands carried out in different years from 1983 to 1986, and U,B,V,R,I quasi-simultaneous to 1984 are presented. Although the...
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PublicaciónInfrared observations of binary stars. I
JHKLM photometry is presented for the close binary systems W UMa, U Sge and Beta-Lyr, and two systems, Eta-Gem and RR UMi, containing late-type variable...
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PublicaciónInfrared photometry of open clusters - The main sequence of NGC 752
New infrared photometry of a sample of 39 stars in the open cluster NGC 752 is presented. These observations confirm the bimodality of the main sequence...
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PublicaciónInfrared photometry of the RS CVn short-period systems - XY UMa and WY CNC
Infrared J and K light curves of two RS CVn short-period systems, XY UMa and WY Cnc, are presented. Both systems show similar variability in the infrared to...
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PublicaciónInfrared photometry of upper main sequence stars in M39
Infrared photometry of 19 Main sequence stars in the open cluster M39 is presented. Infrared-infrared and optical-infrared color-color and color-magnitude...
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PublicaciónInfrared Spectroscopy Of V404 CYGNI. Limits On The Accretion Disc Contamination
We have obtained for the first time 2.10 - 2.45 micron infrared spectra of soft X-ray transient V404 Cygni. We determine a 95 percent confidence upper limit to...