263 datasets found

Keywords: astrophysical masers

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  • 44 and 95GHz observations of class I methanol masers

    We report a simultaneous 44 and 95GHz class I methanol maser survey toward 144 sources from the 95GHz class I methanol maser catalog. The observations were made with the three...
  • Accurate OH maser positions from SPLASH. III.

    We present high spatial resolution observations of ground-state OH masers achieved with the Australia Telescope Compact Array (ATCA). These observations targeted 253 pointing...
  • 6.7GHz methanol masers & RRLs in MSX regions

    We report a systematic survey of a 6.7GHz Class II methanol maser toward a sample of 448 sources selected from the Red Midcourse Space Experiment Source catalog. These sample...
  • VLA observations of the Central Molecular Zone

    We present new observations of the C-band continuum emission and masers to assess high-mass (>8M_{sun}) star formation at early evolutionary phases in the inner 200pc of the...
  • The BAaDE SiO maser survey at 86GHz with ALMA

    We report on the first 1432 sources observed using the Atacama Large Millimeter/submillimeter Array, from the Bulge Asymmetries and Dynamical Evolution survey, which aims to...
  • A 6.7GHz methanol maser survey. II. |b|<2{deg}

    We report the results of our systematic survey for Galactic 6.7GHz Class II CH_3_OH maser emission toward a sample of young stellar objects. The survey was conducted with the...
  • Accurate OH maser positions. II. The GC.

    We present high spatial resolution observations of ground-state OH masers achieved using the Australia Telescope Compact Array (ATCA). These observations were conducted toward...
  • Radio Ammonia Mid-plane Survey (RAMPS) pilot survey

    The Radio Ammonia Mid-Plane Survey (RAMPS) is a molecular line survey that aims to map a portion of the Galactic midplane in the first quadrant of the Galaxy (l=10{deg}-40{deg},...
  • A new 95GHz methanol maser catalog. I.

    The Purple Mountain Observatory 13.7m radio telescope has been used to search for 95GHz (8_0_-7_1_A^+^) class I methanol masers toward 1020 Bolocam Galactic Plane Survey (BGPS)...
  • ATCA obs. of ground-state OH masers

    We report on high spatial resolution observations, using the Australia Telescope Compact Array (ATCA), of ground-state OH masers. These observations were carried out toward 196...
  • CH_3_OH & OH line emission from Galactic center

    Class I methanol masers are collisionally pumped and are generally correlated with outflows in star-forming sites in the Galaxy. Using the Very Large Array in its A-array...
  • SiO and H2O maser survey toward AGB & post-AGB stars

    Simultaneous observations of SiO(v=1,2,J=1-0) ^29^SiO(v=0,J=1-0) (43.122080GHz, 42.820587GHz and 42.879916GHz) and H_2_O(6_16_-5_23_) (22.235080GHz) maser lines were performed...
  • H_2_O + CH_3_OH maser survey of Orion protostars

    The results of a maser survey toward 99 protostars in the Orion molecular cloud complex are presented. The target sources are low-mass protostars identified from infrared...
  • 95GHz class I methanol maser survey

    We report a survey with the Purple Mountain Observatory 13.7m radio telescope for class I methanol masers from the 95GHz (8_0_-7_1_A^+^) transition. Two hundred and fourteen...
  • Full-polarization observations of OH masers

    We present full-polarization VLBA maps of the ground-state, main-line, ^2^{Pi}3/2, J=3/2 OH masers in 18 Galactic massive star-forming regions. This is the first large...
  • OH maser IRAS and MSX observations

    We present OH maser observations at 1612, 1665, 1667, and 1720MHz for 86 likely post-asymptotic giant branch (post-AGB) stars selected from a survey of 1612MHz maser sources in...
  • H2O masers in W49 North and Sagittarius B2

    Using the Very Large Array (VLA) of the National Radio Astronomy Observatory in the A and B configurations, we have obtained simultaneous high-resolution observations of both...
  • CH_3_OH 7_0_-6_1_ A^+^ maser sources

    We present a Very Large Array survey of 44 massive star-forming regions in the 44GHz 7_0_-6_1_ A^+^ methanol transition; 37 fields showed maser emission. Thirty-one sources were...
  • OH observations of Arecibo OH/IR stars

    The Arecibo 1612MHz survey of a complete sample of color-selected IRAS sources with 25{mu}m fluxes S(25)>2 Jy detected 393 OH/IR stars. A complementary 1667 and 1665MHz OH...
  • SiO maser sources

    The observations in the 28SiO J=1-0 v=1, J=1-0 v=2 lines and the 29SiO J=1-0, v=0 lines were simultaneously made toward 181 color-selected IRAS sources in the outer disk of the...
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