IAC Recent Preprints

A. Cabrera-Lavers (1), F. Garzon (1,2), P.L. Hammersley (1)
The thick disc component of the Galaxy from Near Infrared colour-magnitude diagrams.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Dpto. de Astrofísica de la Universidad de La Laguna, Spain

Accepted for publication in A&A

J Sánchez Almeida(1)
Physical properties of the solar magnetic photosphere under the MISMA hypothesis III: sunspot at disk center.
(1) Instituto de Astrofísica de Canarias, Spain

Accepted for publication in ApJ

A. C. González-García (1), M. Balcells (1)
Elliptical galaxies from mergers of discs.
(1) Instituto de Astrofísica de Canarias, Spain

Accepted for publication in MNRAS

M A Urbaneja(1), A Herrero(1), F Bresolin(2), R P Kudritzki(2), W Gieren(3), J Puls(4), N Przybilla(5), F Najarro(6), G Pietrzynski(3,7)
On the alpha-Element Abundance Gradients in the Disk of the Sculptor Spiral Galaxy NGC 300.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Institute of Astronomy, University of Hawaii
(3) Universidad de Concepción, Chile
(4) Universitäts-Sternwarte Bamberg, Germany
(5) Dr Remeis-Sternwarte Bamberg, Germany
(6) Instituto de Estructura de la Materia, Spain
(7) Warsaw University Astronomical Observatory, Poland

Accepted for publication in ApJ

A.M. Aliaga(1,2), J.A. Rubino-Martin(3), E. Martinez-Gonzalez(1), R.B. Barreiro(1), J.L. Sanz(1)
Gaussianity of the CMB: Smooth Goodness of Fit Tests Applied to Interferometric Data.
(1) IFCA, Spain
(2) Dpto. de Fisica Moderna, Univ. de Cantabria, Spain
(3) Institituto de Astrofísica de Canarias, Spain

Accepted for publication in MNRAS

R. Alonso (1), H. J. Deeg (1), T.M. Brown (2), J.A. Belmonte (1)
STARE operations experience and its data quality control.
(1) Instituto de Astrofísica de Canarias, Spain
(2) High Altitude Observatory, USA

Accepted for publication in Astronomische Nachrichten

J.A. Bonet(1), I. Marquez(1)(4), R. Muller(2), M. Sobotka(3), Th. Roudier(2)
Phase diversity restoration of sunspot images. II. Dynamics around a decaying sunspot.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Observatoire du Pic du Midi, France.
(3) Astronomical Institute, Academy of Sciences of the Czech Republic, Czech Republic.
(4) Departamento de Análisis Matemático de la Universidad de La Laguna, Spain.

Accepted for publication in A&A

C. Esteban (1), J. García-Rojas (1), M. Peimbert (2), A. Peimbert (2), M.T. Ruiz (3), M. Rodríguez (4), L. Carigi (2)
Carbon and Oxygen Galactic Gradients: Observational Values from HII Region Recombination Lines.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) IA-UNAM, México.
(3) Universidad de Chile.
(4) INAOE, México

Accepted for publication in ApJL

M. Relaño (1), J.E.Beckman (1,2) A. Zurita (3,4), M.Rozas (5),
C. Giammanco (1)
The internal dynamical equilibrium of HII regions: a statistical study.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Consejo Superior de Investigaciones Científicas, Spain
(3) Deptartamento de Física Teórica y del Cosmos, Universidad de Granada, Spain
(4) ING, Spain
(5) OAN-UNAM, Mexico.

Accepted for publication A&A

Mónica Relaño (1) , John Beckman (1, 2)
Expansive components in HII regions.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Consejo Superior de Investigaciones Científicas, Spain.

Accepted for publication A&A

V. Melo(1), C. Muñoz-Tuñón(1), J. Maíz-Apellániz(2), G. Tenorio-Tagle(3)
Young Super Star Clusters in the Starburst of M82: The Catalogue.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Space Telescope Science Institute, USA
(3) INAOE, Mexico

Accepted for publication ApJ

H.J. Deeg (1), R. Alonso (1), J.A. Belmonte (1), Keith Horne (2), K. Alsubai (2), A.C. Cameron (2), L.R. Doyle (3)
A Prototype for the PASS Permanent All Sky Survey.
(1) Instituto de Astrofísica de Canarias, Spain,
(2) Univ. St. Andrews, United Kingdom.
(3) SETI Institute, USA

Accepted for publication Astronomische Nachrichten

C. Gallart (1), P.B. Stetson (2), E. Hardy (3), F. Pont (4), R. Zinn (5)
Surface brightness and stellar populations at the outer edge of the LMC: No stellar halo yet.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Dominian Astrophysical Observatory, Canada,
(3) NOAO, USA
(4) Obs. Geneve, Switzerland
(5) Univ. Yale, USA

Accepted for publication in ApJL

C.Gallart(1), A. Aparicio (1), W.L. Freedman(2), B.F. Madore (2), D. Martinez-Delgado (3), P.B. Stetson (4)
The variable star population in Phoenix: coexistence of Anomalous and short-period Classical Cepheids, and detection of RR Lyrae variables.
(1) Instituto de Astrofísica de Canarias, Spain
(2): Observatories of the Carnegie Institution of Washington, USA
(3): MPIA, Germany
(4): Dominian Astrophysical Observatory, Canada

Accepted for publication in AJ

R. Manso Sainz (1,2), E. Landi Degl'Innocenti (3), J. Trujillo Bueno (2)
Concerning the existence of a "turbulent" magnetic field in the quiet Sun.
(1) High Altitude Observatory, USA.
(2) Instituto de Astrofísica de Canarias, Spain.
(3) Univ. Firenze, Italy.

Accepted for publication in ApJL

J. Trujillo Bueno (1), N. Shchukina (2), A. Asensio Ramos (1)
A substantial amount of hidden magnetic energy in the quiet Sun.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Main Astronomical Observatory, Kiev, Ukrania.

Accepted for publication in NATURE

A. R. López-Sánchez (1), C. Esteban (1) and M. Rodríguez (2)
The tidally disturbed luminous compact blue galaxy Mkn 1087 and its surroundings.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Instituto Nacional de Astrofísica, Óptica y Electrónica, México

Accepted for publication in A&A

H. J. Deeg (1), R. Alonso (1), J. A. Belmonte (1), K. Alsubai (2), K. Horne (2), L. R. Doyle (3)
PASS, An All-Sky Survey for the Detection of Transiting Extrasolar Planets and for Permanent Variable Star Tracking.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Univ. St. Andrews, UK
(3) SETI Institute, USA

Accepted for publication in PASP

R Alonso(1,2), T M Brown(2), G Torres(3), D W Latham(3), A Sozzetti(4,3), G Mandushev(5), J A Belmonte(1), D Charbonneau(3,6), H J Deeg (1), E W Dunham(5), F T O'Donovan(6), R P Stefanik(3)
TrES-1: The Transiting Planet of a Bright K0V Star.
(1) IAC, Spain
(2) HAO-NCAR, USA
(3) CfA, USA
(4) Univ. of Pittsburgh, USA
(5) Lowell Observatory, USA
(6) Caltech, USA

Accepted for publication in ApJ Letters

PP 30/2004
postscript
astro-ph/0406584

A. Ecuvillon (1), G. Israelian (1), N. C. Santos (2,3), M. Mayor (3), V. Villar (4), G. Bihain (1)
C, S, Zn and Cu abundances in planet-harbouring stars.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Observatorio Astronomico de Lisboa, Portugal
(3) Observatoire de Geneve, Switzerland,
(4) Universidad Complutense de Madrid

To be published in A&A

PP 29/2004
postscript
astro-ph/0406551

M. Santander-Garcia (1), R. L. M. Corradi (2), B. Balick (3), A. Mampaso (1)
Menzel 3: Dissecting the ant.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Isaac Newton Group of Telescopes, Spain.
(3) Department of Astronomy, University of Washington, USA.

To be published in A&A

PP 28/2004
abstract

S. J. Jiménez-Reyes (1), R. A. García (2), W. J. Chaplin (3), and S. G. Korzennik (4)
On the spatial dependence of low-degree solar p-mode frequency shifts from full-disc and resolved-Sun observations.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) CEA/DSM/DAPNIA/SAp, CE Saclay, France.
(3) School of Physics and Astronomy, University of Birmingham, UK.
(4) Harvard-Smithsonian Center for Astrophysics, USA.

To be published in ApJL

PP 27/2004
pdf file
astro-ph/0406109

C. Esteban (1), L. López-Martín (1), A. R. López-Sánchez (1), B. Cedrés (1), J. García-Rojas (1)
IRAS 04000+5052: A not so compact, not so metal-poor HII region.
(1) Instituto de Astrofísica de Canarias, Spain.

To be published in PASP

PP 26/2004
pdf file
astro-ph/0409005

H. Socas-Navarro (1), J. Trujillo Bueno (2), E. Landi Degl'Innocenti (3)
Signatures of incomplete Paschen-Back splitting in the polarization profiles of the
He I 10830 multiplet.
(1) High Altitude Observatory, USA.
(2) Instituto de Astrofísica de Canarias, Spain.
(3) Univ. Firenze, Italy.

To be published in ApJ

PP 24/2004
postscript
astro-ph/0405512

C. Carretero (1), A. Vazdekis (1), J.E. Beckman (1,2), P. Sánchez-Blázquez (3), J. Gorgas (3)
On the Environmental Dependence of Cluster Galaxy Assembly Timescale.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Consejo Superior de Investigaciones Científicas, Spain.
(3) Universidad Complutense de Madrid, Spain.

To be published in ApJL

PP 23/2004
postscript
astro-ph/0405515

J. Sanchez Almeida (1), I. Marquez (1,2), J. A. Bonet (1), I. Dominguez Cerdena (3), R. Muller (4)
Bright points in the inter-network quiet Sun.
(1) Instituto de Astrofísica de Canarias, La Laguna, Spain.
(2) Departamento de Análisis Matemático, Universidad de La Laguna, Spain.
(3) Universitäts-Sternwarte, Gottingen, Germany.
(4) Observatoire Midi-Pyrenees, Toulouse, France.

To be published in ApJL

PP 22/2004
postscript
astro-ph/0405470

C. Giammanco (1), J.E. Beckman (1,2), A. Zurita (3), M. Relaño (1)
Propagation of ionizing radiation in HII regions: the effects of optically thick density fluctuations.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) CSIC, Spain.
(3) Universidad de Granada Dpto. de Física Téorica y del Cosmos, Facultad de Ciencias, Spain.

To be published in A&A

PP 21/2004
pdf file
astro-ph/0308266

R.Savage (1) et al. Includes R. Genova-Santos, C M Gutiérrez, R Rebolo, J A Rubiño-Martín, P Sosa-Molina (3)
Estimating the bispectrum of the Very Small Array data.
(1) Cavendish Laboratory, University of Cambridge, UK
(2) University of Manchester, Joddrell Bank Observatory, UK
(3) Instituto de Astrofísica de Canarias, Spain
(4) Consejo Superior de Investigaciones Científicas, Spain
(5) Centro de Astrofísica da Universidade do Porto, Portugal

To be published in MNRAS

PP 20/2004
pdf file
astro-ph/0401618

S Smith (1) et al. Includes R. Genova-Santos, C M Gutiérrez, R Rebolo, J A Rubiño-Martín, P Sosa-Molina (3)
Searching for non-Gaussianity in the VSA data.
(1) Cavendish Laboratory, University of Cambridge, UK
(2) University of Manchester, Joddrell Bank Observatory, UK
(3) Instituto de Astrofísica de Canarias, Spain
(4) Consejo Superior de Investigaciones Científicas, Spain
(5) Centro de Astrofísica da Universidade do Porto, Portugal

To be published in MNRAS

PP 18/2004
postscript
astro-ph/0405050

G. Bihain (1), G. Israelian (1), R. Rebolo (1), P. Bonifacio (2), P. Molaro (2)
Cu and Zn in the early Galaxy.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Trieste, Italy.

To be published in A&A

PP 17/2004
postscript
astro-ph/0404573

B. Cedrés (1), M. A. Urbaneja (1), J. Cepa (1,2)
The oxygen abundance gradient in M101: the reliability of the P method.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Departamento de Astrofísica, Facultad de Física, Universidad de La Laguna, Spain.

To be published in A&A

PP 16/2004

Susana I. Groth
Fullerenos and Buckyonions in the interstellar medium.
Instituto de Astrofísica de Canarias, Spain.

To be published in ApJL

PP 15/2004
postscript
astro-ph/0404164

M. Pohlen (1,2), M. Balcells (1), R. Luetticke (3,2), R.-J. Dettmar (2)
Thick Disks of Lenticular Galaxies.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Astronomisches Institut, Ruhr-Universitaet Bochum, Germany.
(3) Department of Computer Science, Fern-Universitaet Hagen, Germany.

To be published in A&A

PP 14/2004
postscript
abstract

G. Israelian (1), A. Ecuvillon (1), R. Rebolo (1,2), R. Garcia López (1,3), P. Bonifacio (4) and P. Molaro (4)
Galactic Evolution of Nitrogen.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Consejo Superior de Investigaciones Científicas, Spain.
(3) Dpto. de Astrofísica, Universidad de La Laguna, Spain.
(4) Osservatorio Astronomico di Trieste, Italy.

To be published in A&A

PP 13/2004
pdf file
astro-ph/0404123

J. García-Rojas (1), C. Esteban (1), M. Peimbert (2), M. Rodríguez (3), M.T. Ruiz (4), A. Peimbert (2)
Chemical abundances of the Galactic H II region NGC 3576 derived from VLT echelle spectrophotometry.
(1) Instituto de Astrofísica de Canarias, Spain.
(2) Instituto de Astronomía, UNAM, Mexico.
(3) Instituto Nacional de Astrofísica, Óptica y Electrónica, Puebla, Mexico.
(4) Departamento de Astronomía, Universidad de Chile.

To be published in ApJ Supp. Ser.

PP 12/2004
postscript file
astro-ph/0403616

J Cepa (1,2)
Constraints on the cosmic equation of state: age conflict versus phantom energy. Age-redshift relations in an accelerated universe..
(1) Instituto de Astrofísica de Canarias, Spain (2) Dpto. de Astrofisica, University of La Laguna, Spain

To be published in A&A

PP 11/2004
file
astropostscript-ph/0403594

M Lopez-Corredoira (1), A Cabrera-Lavers (2), O E Gerhard (1) and F Garzon (2,3)
Evidence for a defect of young and old stars in Milky Way inner in-plane disc.
(1) Astronomisches Institut der Universitat Basel, Switzerland
(2) Instituto de Astrofísica de Canarias, Spain (3) Dpto. de Astrofisica, University of La Laguna, Spain

To be published in A&A

PP 10/2004
poscript file
astro-ph/0403402

J I Gonzalez-Hernandez (1), R Rebolo (1,2), G Israelian (1), J Casares (1), A Maeder (3), G Meynet (3)
Chemical Abundances in the Secondary Star in the Black Hole Binary A0620-00.
(1) Instituto de Astrofísica de Canarias, Spain
(2) Consejo Superior de Investigaciones Cientificas, Spain
(3) Geneva Observatory, Switzerland

To be published in ApJ