Search Results - "Richards, A.M.S"

Recurring OH Flares towards o Ceti – I. Location and structure of the 1990s’ and 2010s’ events by Etoka, S., Gérard, E., Richards, A. M. S., Engels, D., Brand, J., Le Bertre, T.

“…Abstract We present the analysis of the onset of the new 2010s OH flaring event detected in the OH ground-state main line at 1665 MHz towards o Ceti and…”
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Masers: Precision probes of molecular gas by Richards, A.M.S., Sobolev, A., Baudry, A., Herpin, F., Decin, L., Gray, M.D., Etoka, S., Humphreys, E.M.L., Vlemmings, W.

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Masers: Precision probes of molecular gas by Richards, A.M.S., Sobolev, A., Baudry, A., Herpin, F., Decin, L., Gray, M.D., Etoka, S., Humphreys, E.M.L., Vlemmings, W.

“…Maser emission from water, methanol, silicon monoxide and other molecules can reach brightness temperatures ≫1010 K. Such observations can achieve sub-pc…”
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Resolved ALMA observations of water in the inner astronomical units of the HL Tau disk by Facchini, Stefano, Testi, Leonardo, Humphreys, Elizabeth, Vander Donckt, Mathieu, Isella, Andrea, Wrzosek, Ramon, Baudry, Alain, Gray, Malcom D., Richards, Anita M. S., Vlemmings, Wouter

“…The water molecule is a key ingredient in the formation of planetary systems, with the water snowline being a favourable location for the growth of massive…”
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MERLIN imaging of the maser flare in Markarian 348 by Xanthopoulos, E., Richards, A.M.S.

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The Compact Circumstellar Material around OH 231.8+4.2 by Matsuura, M, Chesneau, O, Zijlstra, A. A, Jaffe, W, Waters, L. B. F. M, Yates, J. A, Lagadec, E, Gledhill, T, Etoka, S, Richards, A. M. S

“…We have observed the bipolar post-asymptotic giant branch candidate OH 231.8+4.2, using the mid-infrared interferometer MIDI and the infrared camera with the…”
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The radially expanding molecular outflow of VX Sagittarii by Murakawa, K., Yates, J. A., Richards, A. M. S., Cohen, R. J.

“…We used MERLIN to observe 22-GHz H2O maser emission from the red supergiant VX Sgr in 1994 and 1999. The masers lie in a region 300–400 mas in diameter. The…”
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OH maser mapping of the evolved star HD 179821: evidence for interacting outflows by Gledhill, T.M., Yates, J.A., Richards, A.M.S.

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MERLIN imaging of the maser flare in Markarian 348 by Xanthopoulos, E., Richards, A.M.S.

“…MERLIN images of Mrk 348 at 22 GHz show H2O maser emission at 0.02–0.11 Jy, within ∼ 0.8 pc of the nucleus. This is the first direct confirmation that…”
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The disappearance of the 1667-MHz OH maser in IRAS 17436+5003 (HD 161796) by Bains, I., Yates, J. A., Gledhill, T. M., Richards, A. M. S.

“…We report the diminution of the 1667-MHz OH maser in the post-asymptotic giant branch star IRAS 17436+5003, by a factor of ≳17 over a period of ≲12 yr, from…”
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OH maser mapping of the evolved star HD 179821: evidence for interacting outflows by Gledhill, T.M., Yates, J.A., Richards, A.M.S.

“…The evolved star HD 179821 continues to be the subject of much debate as to whether it is a nearby post-asymptotic giant branch (post-AGB) star or a distant…”
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MERLIN observations of OH/IR stars by Lindqvist, Michael, Schöier, Fredrik, Olofsson, Hans, Richards, A.M.S.

“…We present MERLIN OH 1612 MHz observations towards 3 OH/IR stars, OH15.7+0.8, OH38.3+1.9 and IRAS 19319+2214. The main objective of the project is to…”
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High resolution imaging of the Hubble Deep and Flanking Fields by Muxlow, T.W.B, Wilkinson, P.N, Richards, A.M.S, Kellermann, K.I, Richards, E.A, Garrett, M.A

“…42 hours of A-array VLA data and 18 days MERLIN data at 1.4 GHz have been combined to image a 10 arcminute field centred on the Hubble Deep Field (HDF). This…”
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VLBI Observations of OH stars: S Persei by Masheder, M.R.W, van Langevelde, H.J, Richards, A.M.S, Greenhill, L, Gray, M.D

“…The masers in three stars, S Per, OH53.6-0.2 and VXSgr, were observed in the main lines of OH at λ18 cm in March 1997 with a VLBI array consisting of 6 EVN…”
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