Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Richer, John S."'
Fluctuating properties of the atmosphere, and in particular its water vapour content, give rise to phase fluctuations of astronomical signals which, if uncorrected, lead to rapid deterioration of performance of (sub)-mm interferometers on long baseli
Externí odkaz:
http://arxiv.org/abs/1302.6056
This memo describes the software engineering and technical details of the design and implementation of the wvrgcal program and associated libraries. This program performs off-line correction of atmospheric phase fluctuations in ALMA observations, usi
Externí odkaz:
http://arxiv.org/abs/1207.6069
Autor:
Consortium, AMI, Ainsworth, Rachael E., Scaife, Anna M. M., Ray, Tom P., Buckle, Jane V., Davies, Matthew, Franzen, Thomas M. O., Grainge, Keith J. B., Hobson, Michael P., Hurley-Walker, Natasha, Lasenby, Anthony N., Olamaie, Malak, Perrott, Yvette C., Pooley, Guy G., Richer, John S., Rodriguez-Gonzalvez, Carmen, Schammel, Michel P., Scott, Paul F., Shimwell, Timothy, Saunders, Richard D. E., Titterington, David, Waldram, Elizabeth
Publikováno v:
2012MNRAS.423.1089A
We present 16 GHz (1.9 cm) deep radio continuum observations made with the Arcminute Microkelvin Imager (AMI) of a sample of low-mass young stars driving jets. We combine these new data with archival information from an extensive literature search to
Externí odkaz:
http://arxiv.org/abs/1203.3381
Autor:
Scaife, Anna M. M., Buckle, Jane V., Ainsworth, Rachael E., Davies, Matthew, Franzen, Thomas M. O., Grainge, Keith J. B., Hobson, Michael P., Hurley-Walker, Natasha, Lasenby, Anthony N., Olamaie, Malak, Perrott, Yvette C., Pooley, Guy G., Ray, Tom P., Richer, John S., Rodriguez-Gonzalvez, Carmen, Saunders, Richard D. E., Schammel, Michel P., Scott, Paul F., Shimwell, Timothy, Titterington, David, Waldram, Elizabeth
We present deep 1.8 cm (16 GHz) radio continuum imaging of seven young stellar objects in the Taurus molecular cloud. These objects have previously been extensively studied in the sub-mm to NIR range and their SEDs modelled to provide reliable physic
Externí odkaz:
http://arxiv.org/abs/1111.5184
Autor:
Scaife, Anna M. M., Hatchell, Jennifer, Ainsworth, Rachael E., Buckle, Jane V., Davies, Matthew, Franzen, Thomas M. O., Grainge, Keith J. B., Hobson, Michael P., Hurley-Walker, Natasha, Lasenby, Anthony N., Olamaie, Malak, Perrott, Yvette C., Pooley, Guy G., Richer, John S., Rodriguez-Gonzalvez, Carmen, Saunders, Richard D. E., Schammel, Michel P., Scott, Paul F., Shimwell, Timothy, Titterington, David, Waldram, Elizabeth
We present deep radio continuum observations of the cores identified as deeply embedded young stellar objects in the Serpens molecular cloud by the Spitzer c2d programme at a wavelength of 1.8cm with the Arcminute Microkelvin Imager Large Array (AMI-
Externí odkaz:
http://arxiv.org/abs/1110.0941
Autor:
Curtis, Emily I., Richer, John S.
We explore the kinematics of continuum clumps in the Perseus molecular cloud, derived from C18O J=3-2 data. Two populations are examined, identified using the automated algorithms CLFIND and GAUSSCLUMPS on existing SCUBA data. The clumps have superso
Externí odkaz:
http://arxiv.org/abs/1007.4557
We present a census of molecular outflows across four active regions of star formation in the Perseus molecular cloud (NGC 1333, IC348/HH211, L1448 and L1455), totalling an area of over 1000 sq arcmin. This is one of the largest surveys of outflow ev
Externí odkaz:
http://arxiv.org/abs/1006.3218
The success of any ALMA phase-calibration strategy, which incorporates phase transfer, depends on a good understanding of how the atmospheric path delay changes with frequency (e.g. Holdaway & Pardo 2001). We explore how the wet dispersive path delay
Externí odkaz:
http://arxiv.org/abs/0912.2852
Autor:
Curtis, Emily I., Richer, John S.
We present a new analysis of the properties of star-forming cores in the Perseus molecular cloud, identified in SCUBA 850 micron data. Our goal is to determine which core properties can be robustly identified and which depend on the extraction techni
Externí odkaz:
http://arxiv.org/abs/0910.4070
Autor:
Scaife, Anna M. M., Green, David A., Pooley, Guy G., Davies, Matthew L., Franzen, Thomas M. O., Grainge, Keith J. B., Hobson, Michael P., Hurley-Walker, Natasha, Lasenby, Anthony N., Olamaie, Malak, Richer, John S., Rodriguez-Gonzalvez, Carmen, Saunders, Richard D. E., Scott, Paul F., Shimwell, Timothy W., Titterington, David J., Waldram, Elizabeth M., Zwart, Jonathan T. L.
We present 25 arcsecond resolution radio images of five Lynds Dark Nebulae (L675, L944, L1103, L1111 & L1246) at 16 GHz made with the Arcminute Microkelvin Imager (AMI) Large Array. These objects were previously observed with the AMI Small Array to h
Externí odkaz:
http://arxiv.org/abs/0910.4011