Browsing by Author "Viironen, K."
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- ItemA new planetary nebula in the outer reaches of the Galaxy(2011) Viironen, K.; Mampaso, A.; Corradi, R. L. M.; Drew, J. E.; Frew, D. J.; Giammanco, C.; Greimel, R.; Liimets, T.; Lindberg, J. E.; Rodriguez, M.; Sabin, L.; Sale, S. E.; Wilson, P. A.; Zijlstra, A.Aims. A proper determination of the abundance gradient in the Milky Way requires the observation of objects at large galactiocentric distances. With this aim, we are exploring the planetary nebula population towards the Galactic anticentre. In this article, the discovery and physico-chemical study of a new planetary nebula towards the anticentre direction, IPHASX J052531.19+281945.1 (PNG 178.1-04.0), is presented.
- ItemHigh redshift galaxies in the alhambra survey II. Strengthening the evidence of bright-end excess in UV luminosity functions at 2.5 ≤ z ≤ 4.5 by PDF analysis(2018) Viironen, K.; López-San juan, C.; Hernández-Monteagudo, C.; Chaves-Montero, J.; Ascaso, B.; Bonoli, S.; Cristóbal-Hornillos, D.; Díaz-García, L.A.; Fernández-Soto, A.; Infante Lira, Leopoldo
- ItemHigh redshift galaxies in the ALHAMBRA survey: I. Selection method and number counts based on redshift PDFs(2015) Viironen, K.; Marin, A.; Lopez, C.; Varela, J.; Chaves, J.; Cristobal, D.; Molino, A.; Fernandez, A.; Vilella Rojo G.; Infante Lira, Leopoldo
- ItemStellar populations of galaxies in the ALHAMBRA survey up to z similar to 1 I. MUFFIT : A multi-filter fitting code for stellar population diagnostics(2015) Díaz Garcia, L. A.; Cenarro, A. J.; López Sanjuan, C.; Ferreras, I.; Varela, J.; Viironen, K.; Cristobal Hornillos, D.; Moles, M.; Marín Franch, A.; Infante Lira, Leopoldo
- ItemStellar populations of galaxies in the ALHAMBRA survey up to z ∼ 1 III. The stellar content of the quiescent galaxy population during the last 8 Gyr(2019) Diaz-Garcia, L.A.; Cenarro, A.J.; Lopez-Sanjuan, C.; Ferreras, I.; Fernandez-Soto, A.; Delgado, R.M.G.; Marquez, I.; Masegosa, J.; San Roman, I.; Infante Lira, Leopoldo; Viironen, K.; Bonoli, S.; Cerviño, M.; Moles, M.; Cristóbal-Hornillos, D.; Alfaro, E.; Aparicio-Villegas, T.; Benítez, N.; Broadhurst, T.; Cabrera-Caño, J.; Castander, F.J.; Cepa, J.; Husillos, C.; Aguerri, J.A.L.; Martínez, V.J.; Molino, A.; del Olmo, A.; Perea, J.; Prada, F.; Quintana, J.M.
- ItemStellar populations of galaxies in the ALHAMBRA survey up to z∼1 II. Stellar content of quiescent galaxies within the dust-corrected stellar mass–colour and the UVJ colour–colour diagrams(2019) Diaz-Garcia, L.A.; Cenarro, A.J.; Lopez-Sanjuan, C.; Ferreras, I.; Cervino, M.; Fernandez-Soto, A.; Delgado, R.M.G.; Marquez, I.; Povic, M.|Infante Lira, Leopoldo; San Roman, I.; Viironen, K.; Moles, M.; Cristobal-Hornillos, D.; Lopez-Comazzi, A.; Alfaro, E.; Aparicio-Villegas, T.; Benitez, N.; Broadhurst, T.; Cabrera-Cano, J.; Castander, F.J.; Cepa, J.; Husillos, César; Aguerri, J.A.L.; Martínez, V.J.; Masegosa, Josefa; Molino, A.; Olmo, Ascensión del; Perea, Jaime; Prada, Francisco; Quintana, José María
- ItemThe ALHAMBRA survey: accurate merger fractions derived by PDF analysis of photometrically close pairs(2015) López Sanjuan, C.; Cenarro, A. J.; Varela, J.; Viironen, K.; Molino, A.; Benítez, N.; Arnalte Mur, P.; Ascaso, B.; Díaz García, L. A.; Infante Lira, Leopoldo
- ItemThe ALHAMBRA survey: B-band luminosity function of quiescent and star-forming galaxies at 0.2 <= z < 1 by PDF analysis(2017) López Sanjuan, C.; Varela, J.; Tempel, E.; Benítez, N.; Molino, A.; Viironen, K.; Díaz García, L. A.; Fernández Soto, A.; Santos, W. A.; Infante Lira, Leopoldo
- ItemThe ALHAMBRA survey: estimation of the clustering signal encoded in the cosmic variance(2015) López Sanjuan, C.; Cenarro, A. J.; Hernández Monteagudo, C.; Arnalte Mur, P.; Varela, J.; Viironen, K.; Fernández Soto, A.; Martínez, V. J.; Alfaro, E.; Infante Lira, Leopoldo
- ItemThe Necklace: equatorial and polar outflows from the binary central star of the new planetary nebula IPHASX J194359.5+170901(2011) Corradi, R. L. M.; Sabin, L.; Miszalski, B.; Rodriguez-Gil, P.; Santander-Garcia, M.; Jones, D.; Drew, J. E.; Mampaso, A.; Barlow, M. J.; Rubio-Diez, M. M.; Casares, J.; Viironen, K.; Frew, D. J.; Giammanco, C.; Greimel, R.; Sale, S. E.IPHASX J194359.5+170901 is a new high-excitation planetary nebula with remarkable characteristics. It consists of a knotty ring expanding at a speed of 28 km s-1, and a fast collimated outflow in the form of faint lobes and caps along the direction perpendicular to the ring. The expansion speed of the polar caps is similar to 100 km s-1, and their kinematical age is twice as large as the age of the ring.