Prof. Niranjan Thatte: Publications

HARMONI: the first light integral field spectrograph for the E-ELT

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 9147 (2014) 914725-914725-11

Authors:

Niranjan A Thatte, Fraser Clarke, Ian Bryson, Hermine Schnetler, Matthias Tecza, Roland M Bacon, Alban Remillieux, Evencio Mediavilla, José Miguel Herreros Linares, Santiago Arribas, Christopher J Evans, David W Lunney, Thierry Fusco, Kieran O'Brien, Ian A Tosh, Derek J Ives, Gert Finger, Ryan Houghton, Roger L Davies, James D Lynn, Jamie R Allen, Simon D Zieleniewski, Sarah Kendrew, Vanessa Ferraro-Wood, Arlette Pécontal-Rousset, Johan Kosmalski, Johan Richard, Aurelien Jarno, Angus M Gallie, David M Montgomery, David Henry, Gérard Zins, David Freeman, Begona García-Lorenzo, Luis F Rodríguez-Ramos, Jorge SC Revuelta, Elvio Hernandez Suarez, Alberto Bueno-Bueno, José Vincente Gigante-Ripoll, Adolfo Garcia, Kjetil Dohlen, Benoît Neichel

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An off-the-shelf guider for the Palomar 200-inch telescope: interfacing amateur astronomy software with professional telescopes for an easy life

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 9147 (2014) 91472g-91472g-7

Authors:

Fraser Clarke, James Lynn, Niranjan Thatte, Matthias Tecza

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KIDSpec: an MKID based medium resolution integral field spectrograph

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 9147 (2014) 91470g-91470g-8

Authors:

Kieran O'Brien, Niranjan Thatte, Benjamin Mazin

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The spectrograph units for the HARMONI integral field spectrograph

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 9147 (2014) 914797-914797-8

Authors:

Kieran O'Brien, Jamie R Allen, James D Lynn, Niranjan A Thatte, Ian Bryson, Fraser Clarke, Hermine Schnetler, Matthias Tecza

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Herschel Observations of Far-Infrared Cooling Lines in intermediate Redshift (Ultra)-luminous Infrared Galaxies

ArXiv 1401.23 (2014)

Authors:

D Rigopoulou, R Hopwood, GE Magdis, N Thatte, BM Swinyard, D Farrah, J-S Huang, A Alonso-Herrero, JJ Bock, D Clements, A Cooray, MJ Griffin, S Oliver, C Pearson, D Riechers, D Scott, A Smith, M Vaccari, I Valtchanov, L Wang

Abstract:

We report the first results from a spectroscopic survey of the [CII] 158um line from a sample of intermediate redshift (0.210^11.5 Lsun), using the SPIRE-Fourier Transform Spectrometer (FTS) on board the Herschel Space Observatory. This is the first survey of [CII] emission, an important tracer of star-formation, at a redshift range where the star-formation rate density of the Universe increases rapidly. We detect strong [CII] 158um line emission from over 80% of the sample. We find that the [CII] line is luminous, in the range (0.8-4)x10^(-3) of the far-infrared continuum luminosity of our sources, and appears to arise from photodissociation regions on the surface of molecular clouds. The L[CII]/LIR ratio in our intermediate redshift (U)LIRGs is on average ~10 times larger than that of local ULIRGs. Furthermore, we find that the L[CII]/LIR and L[CII]/LCO(1-0) ratios in our sample are similar to those of local normal galaxies and high-z star-forming galaxies. ULIRGs at z~0.5 show many similarities to the properties of local normal and high-z star forming galaxies. Our findings strongly suggest that rapid evolution in the properties of the star forming regions of luminous infrared galaxies is likely to have occurred in the last 5 billion years.

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Prof. Niranjan Thatte

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HARMONI: the first light integral field spectrograph for the E-ELT

Authors:

An off-the-shelf guider for the Palomar 200-inch telescope: interfacing amateur astronomy software with professional telescopes for an easy life

Authors:

KIDSpec: an MKID based medium resolution integral field spectrograph

Authors:

The spectrograph units for the HARMONI integral field spectrograph

Authors:

Herschel Observations of Far-Infrared Cooling Lines in intermediate Redshift (Ultra)-luminous Infrared Galaxies

Authors:

Abstract:

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Prof. Niranjan Thatte

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HARMONI: the first light integral field spectrograph for the E-ELT

Authors:

An off-the-shelf guider for the Palomar 200-inch telescope: interfacing amateur astronomy software with professional telescopes for an easy life

Authors:

KIDSpec: an MKID based medium resolution integral field spectrograph

Authors:

The spectrograph units for the HARMONI integral field spectrograph

Authors:

Herschel Observations of Far-Infrared Cooling Lines in intermediate Redshift (Ultra)-luminous Infrared Galaxies

Authors:

Abstract: