Sanna, A., Reid, M. J., Moscadelli, L., Dame, T. M., Menten, K. M., Brunthaler, A., ...
We report a trigonometric parallax of 12 GHz methanol masers associated with the massive star forming region G9.62+0.20, corresponding to a distance of 5.2+-0.6 kpc. With a local standard of rest...
Reid, M. J., Menten, K. M., Zheng, X. W., Brunthaler, A., Moscadelli, L., Xu, Y., ...
We are using the NRAO Very Long Baseline Array (VLBA) and the Japanese VERA project to measure trigonometric parallaxes and proper motions of masers found in high-mass star-forming regions across the...
Trigonometric Parallaxes of Massive Star Forming Regions: II. Cep A & NGC 7538 (2008)
Moscadelli, L., Reid, M. J., Menten, K. M., Brunthaler, A., Zheng, X. W., Xu, Y.
We report trigonometric parallaxes for the sources NGC 7538 and Cep A, corresponding to distances of 2.65 [+0.12/-0.11] kpc and 0.70 [+0.04/-0.04] kpc, respectively. The distance to NGC 7538 is...
Trigonometric Parallaxes of Massive Star Forming Regions: III. G59.7+0.1 and W 51 IRS2 (2008)
Xu, Y., Reid, M. J., Menten, K. M., Brunthaler, A., Zheng, X. W., Moscadelli, L.
We report trigonometric parallaxes for G59.7+0.1 and W 51 IRS2, corresponding to distances of 2.16^{+0.10}_{-0.09} kpc and 5.1^{+2.9}_{-1.4} kpc, respectively. The distance to G59.7+0.1 is smaller...
Trigonometric Parallaxes of Massive Star Forming Regions: IV. G35.20-0.74 and G35.20-1.74 (2008)
Zhang, B., Zheng, X. W., Reid, M. J., Menten, K. M., Xu, Y., Moscadelli, L., ...
We report trigonometric parallaxes for the high-mass star forming regions G35.20-0.74 and G35.20-1.74, corresponding to distances of 2.19 (+0.24 -0.20) kpc and 3.27 (+0.56 -0.42) kpc, respectively....
Trigonometric Parallaxes of Massive Star Forming Regions: V. G23.01-0.41 and G23.44-0.18 (2008)
Brunthaler, A., Reid, M. J., Menten, K. M., Zheng, X. W., Moscadelli, L., Xu, Y.
We report trigonometric parallaxes for the massive star-forming regions G23.01-0.41 and G23.44-0.18, corresponding to distances of 4.59 [+0.38/-0.33] kpc and 5.88 [+1.37/-0.93] kpc, respectively. The...
Trigonometric Parallaxes of Massive Star Forming Regions: I. S 252 & G232.6+1.0 (2008)
Reid, M. J., Menten, K. M., Brunthaler, A., Zheng, X. W., Moscadelli, L., Xu, Y.
We are conducting a large program with the NRAO Very Long Baseline Array (VLBA) to measure trigonometric parallaxes of massive star-forming regions across the Milky Way. Here we report measurement of...
Correlation of the radio continuum, infrared, and CO molecular emissions in NGC 3627 (2008)
Paladino, R., Murgia, M., Tarchi, A., Moscadelli, L., Comito, C.
We present new radio continuum observations, taken at 1.4 GHz with the Very Large Array, and new observations in the CO line, taken with the Plateau de Bure interferometer, of two regions of the...
Non-closing Errors in EVN data (2007)
Massi Rioja Gabuzda, M. Massi, M. Rioja, D. Gabuzda, H. Sanghera, K. Ruf, ...
We show how the total intensity data acquired with the European VLBI telescopes are affected by a systematic error, the physical origin of which lies in the instrumental polarization of the...
Felli, M., Brand, J., Cesaroni, R., Codella, C., Comoretto, G., Di Franco, S., ...
Context. Water vapor emission at 22 GHz from masers associated with star-forming regions is highly variable. Aims. We present a database of up to 20 years of monitoring of a sample of 43 masers...
The hyperyoung HII region in G24.78+0.08 A1 (2007)
Beltran, M. T., Cesaroni, R., Moscadelli, L., Codella, C.
Context. G24.78+0.08 A1 is a 20 Msun star surrounded by a hypercompact (HC) HII region, driving a CO bipolar outflow, and located at the center of a massive rotating toroid undergoing infall towards...
Radio continuum, CO, and thermal infrared emission in nearby star-forming galaxies (2007)
Wong, Tony Po Yin, Hughes, Annie, Ekers, R. D. (Ron D.), ...
The correlation between far-infrared and radio emission in galaxies is remarkably strong considering the very different emission mechanisms which are thought to be responsible for the two. We have...
Radio continuum, CO, and thermal infrared emission in nearby star-forming galaxies (2007)
Wong, Tony Po Yin, Hughes, Annie, Ekers, R. D. (Ron D.), ...
The correlation between far-infrared and radio emission in galaxies is remarkably strong considering the very different emission mechanisms which are thought to be responsible for the two. We have...
Goddi, C., Moscadelli, L., Sanna, A., Cesaroni, R., Minier, V.
Most previous high-angular (
Paladino, R., Murgia, M., Helfer, T. T., Wong, T., Ekers, R., Blitz, L., ...
Aims: We present new radio continuum observations of ten BIMA SONG galaxies, taken at 1.4 GHz with the Very Large Array. These observations allow us to extend the study of the relationships between...
We have conducted phase-reference multi-epoch observations of the 22.2 GHz water masers using the VLBA and multi-frequency study of the continuum emission using the VLA towards the high-mass SFR AFGL...
Moscadelli, L., Testi, L., Furuya, R. S., Goddi, C., Claussen, M., Kitamura, Y., ...
This article reports first results of a long-term observational program aimed to study the earliest evolution of jet/disk systems in low-mass YSOs by means of VLBI observations of the 22.2 GHz water...
Water masers in the massive protostar IRAS 20126+4104: ejection and deceleration (2005)
Moscadelli, L., Cesaroni, R., Rioja, M. J.
We report on the first multi-epoch, phase referenced VLBI observations of the water maser emission in a high-mass protostar associated with a disk-jet system. The source under study, IRAS 20126+4104,...
The Molecular Connection to the FIR-Radio Continuum Correlation in Galaxies (2005)
Murgia, M., Helfer, T. T., Ekers, R., Blitz, L., Moscadelli, L., Wong, T., ...
We have studied the relationships between the radio continuum (RC) and CO emission for a set of galaxies selected from the BIMA Survey of Nearby Galaxies. We find that the global CO-RC correlation is...
New H2O masers in Seyfert and FIR bright galaxies (2005)
Henkel, C., Peck, A. B., Tarchi, A., Nagar, N. M., Braatz, J. A., Castangia, P., ...
Extragalactic water vapor masers with 50, 1000, 1, and 230 solar (isotropic) luminosities were detected toward Mrk1066 (UGC2456), Mrk34, NGC3556 and Arp299, respectively. The interacting system...
Kinematics of H2O masers in high-mass star forming regions (2005)
Goddi, C., Moscadelli, L., Alef, W., Tarchi, A., Brand, J., Pani, M.
New H2O masers in Seyfert and FIR bright galaxies (2005)
Henkel, C., Peck, A. B., Tarchi, A., Nagar, N. M., Braatz, J. A., Castangia, P., ...
Probing the obscuring medium around active nuclei using masers : The case of 3C 403 (2005)
Tarchi, A., Henkel, C., Chiaberge, M., Menten, K. M., Brunthaler, A., Moscadelli, L.
Applications of precision astrometry to studies of massive YSOs (2004)
Rioja, M. J., Moscadelli, L., Cesaroni, R.
We present VLBI observations of the H$_2$O maser emission towards a selection of massive young stellar objects (YSOs). In one of these sources, IRAS20126+4104, the measured proper motions confirm...
Kinematics of water masers in high-mass star forming regions (2004)
Goddi, C., Moscadelli, L., Alef, W., Tarchi, A., Brand, J., Pani, M.
We have conducted multi-epoch EVN observations of the 22.2 GHz water masers towards four high-mass star forming regions (Sh 2-255 IR, IRAS 23139+5939, WB89-234, and OMC2). The (three) observing...
Probing the obscuring medium around active nuclei using masers: The case of 3C403 (2004)
Tarchi, A., Henkel, C., Chiaberge, M., Menten, K. M., Brunthaler, A., Moscadelli, L.
We report the first detection of a water megamaser in a radio-loud galaxy, 3C403, and present a follow-up study using the VLA. 3C403 has been observed as a part of a small sample of FRII galaxies...
EVN observations of water masers towards the high-mass young stellar object in AFGL 5142 (2004)
Goddi, C., Moscadelli, L., Alef, W., Brand, J.
We have conducted multi-epoch EVN observations of the 22.2 GHz water masers towards the high-mass young stellar object in AFGL 5142. With four observing epochs, spanning a time of ~1 year, 12...
Masers as probes of proto-planetary discs (2004)
Richards, A. M. S., Cohen, R. J., Crocker, M., Lekht, E. E., Samodourov, V., Berulis, J. J., ...
Extragalactic water masers in bright IRAS sources (2004)
Tarchi, A., Henkel, C., Peck, A. B., Nagar, N., Moscadelli, L., Menten, K. M.
Extragalactic water masers in bright IRAS sources (2003)
Tarchi, A., Henkel, C., Peck, A. B., Nagar, N., Moscadelli, L., Menten, K. M.
We report the results of a search for 22 GHz water maser emission in IRAS-bright galaxies, using the 100-m Effelsberg telescope. In particular, we present the details of four new maser detections...
Moscadelli, L., Menten, K. M., Walmsley, C. M., Reid, M. J.
This paper reports on the results of high velocity resolution (0.02 km s(-1)) VLBA observations of the 12 GHz methanol masers toward the ultracompact (UC) H II region W3(OH). About 50 maser features...
Observations of extragalactic masers in bright IRAS sources (2002)
Tarchi, A., Henkel, C., Peck, A. B., Moscadelli, L., Menten, K. M.
We report the first results of an ongoing survey at 22 GHz with the 100-m Effelsberg telescope to search for water maser emission in bright IRAS sources. We have detected water vapor emission in IC...
Radio continuum and CO emission in star-forming galaxies (2002)
Murgia, M., Crapsi, A., Moscadelli, L., Gregorini, L.
We combine the radio continuum images from the NRAO VLA Sky Survey with the CO-line observations from the extragalactic CO survey of the Five College Radio Astronomy Observatory to study the...
Kinematics of the 12 GHz methanol masers toward W3(OH) (2002)
Moscadelli, L., Menten, K. M., Walmsley, C. M., Reid, M. J.
In this paper, two epochs (1994 February and 1998 December) of Very Long Baseline Array observations of the 12 GHz CH3OH masers toward the ultracompact (UC) H II region W3(OH) are compared. The 12...