Astrophysical Masers: Proceedings of a Conference Held in Arlington, Virginia, USA 9–11 March 1992

The early years of research on astronomical masers....Pages 3-11
On the theory of naural masers....Pages 15-24
Line profiles in masers: Velocity relaxation....Pages 25-28
OH maser polarization....Pages 29-32
Coherence and incoherence in astronomical masers....Pages 33-36
A model for polarized OH masers....Pages 37-40
Submillimeter water masers....Pages 41-46
Linear and circular polarization for masers with weak zeeman splittings....Pages 47-50
Radiative transfer in three dimensional masers....Pages 51-54
A special database for gas-phase compounds studied by microwave spectroscopy and radio astronomy....Pages 55-58
Classification and statistical properties of H 2 O masers....Pages 61-64
Observations of new submillimeter maser lines of water and methanol....Pages 65-66
The CRL 34-m radio telescope at Kashima — A new strong tool in maser research — and the first results of a 22 GHz H 2 O maser survey....Pages 67-70
Molecular megamasers after ten years....Pages 73-82
VLBI observations of the water vapor megamaser in IC10....Pages 83-86
Extragalactic H 2 O masers....Pages 87-90
H 2 O megamaser variability....Pages 91-94
Interstellar masers: Then and now....Pages 97-107
Some interesting OH/H 2 O masers....Pages 108-111
High resolution centimeter radio continuum and ammonia maser observations of the W51 region of star formation....Pages 112-115
Masers in star-forming regions associated with cold, bright IRAS sources....Pages 116-119
CH in translucent molecular clouds....Pages 120-122
Ammonia masers in the interstellar medium....Pages 123-126
OH masers in star-forming regions: Interpretation of observations....Pages 129-132
Excited OH 4.7 GHz masers associated with IRAS far-infrared sources....Pages 133-136
The magnetic field of the Milky Way: OH maser Zeeman results....Pages 137-140
OH masers and bipolar molecular outflows associated with massive star formation....Pages 141-144
H 2 O maser survey of IRAS sources at high galactic latitude....Pages 147-150
Water masers associated with compact molecular clouds and ultracompact H ii regions: The extended sample....Pages 151-154
Molecular outflows and H2O masers: What type of connection?....Pages 155-158
A shock origin for interstellar H 2 O masers....Pages 159-163
Water maser emission toward ultracompact HII regions....Pages 164-167
Interacting H 2 O masers in star-forming regions....Pages 168-171
Origin of water masers in W49N....Pages 172-175
VLBI observations of the H 2 O supermaser outburst in the orion nebula....Pages 176-179
The Zeeman effect or linear birefringence? — VLA polarimetric spectral line observations of H 2 O masers....Pages 180-184
The Arcetri methanol VLBI receiver....Pages 187-190
A study of methanol masers at 36 and 44 GHz and 48 GHz thermal emission around them....Pages 191-194
Methanol masers in the southern Galaxy....Pages 195-198
Interstellar methanol masers....Pages 199-202
Synthesis images of 6.7-GHz methanol masers....Pages 203-206
Production of 12.2 GHz CH 3 OH masers — Preliminary results of an excitation study....Pages 207-210
Interferometric observations of 95 GHz methanol masers....Pages 211-214
On the classification and list of transitions of methanol masers....Pages 215-218
Physical and evolutionary status of G1.6–0.025 giant molecular cloud as revealed by 4 −1 -3 O E methanol weak maser....Pages 219-222
The proper motions of the H 2 O masers near W3(OH)....Pages 225-228
Kinematic studies of ultracompact HII region/molecular cloud interfaces....Pages 229-232
Space VLBI and the masers....Pages 233-236
Preliminary results from a study of the proper motion of water vapor masers in cepheus A....Pages 237-238
High- and low-velocity maser features....Pages 239-242
Proper motions of OH masers in W75N....Pages 243-243
Proper motion studies of H 2 O masers....Pages 244-247
Interstellar scattering of maser radiation....Pages 251-254
A VLBI survey of interstellar broadening of galactic OH masers....Pages 255-258
Angular wander measurements of maser clusters....Pages 259-263
The polarized water maser source in orion....Pages 267-270
Variations of optical and water maser emission from long period variables....Pages 271-274
An H 2 O flare in W49N....Pages 275-278
Time-variable OH emission from S269....Pages 279-282
Variations in polarization of IRAS 19566+3423 at the 1612 MHZ OH line from 1987 to 1992....Pages 283-286
Theory of fluctuations in unsaturated masers....Pages 287-290
Long-term observations of outbursts and variability of the W49N water masers....Pages 291-294
Water maser and optical variability for V778 CYG and EU and 1987–1991....Pages 295-298
Search for rapid variations in OH and H2O masers....Pages 299-302
Water maser bursts in W49M (1989–92)....Pages 303-306
Radiative instabilities in astrophysical masers....Pages 307-310
A monitoring program of interstellar OH and H 2 O masers....Pages 311-314
Water maser monitoring of IRAS 16293-2422....Pages 315-318
Recent studies of circumstellar masers....Pages 321-329
Observations of maser RRLs from the star MWC 349A....Pages 330-333
The color mimics of OH / IR stars....Pages 334-337
The masers of GY Aql....Pages 338-341
OH/IR stars and the Galactic Centre distance....Pages 345-348
OH maser emission from F- and G-type supergiant stars....Pages 349-352
OH masers in the circumstellar shell of the GIa supergiant AFGL 2343....Pages 353-356
Circumstellar OH masers....Pages 357-360
Pumping of main line masers in type I Miras....Pages 361-364
Unusual OH radio emission in Mira (o CET)....Pages 365-368
VLBI spectral line polarization observations of the OH masers in the supergiant IRC+10420....Pages 369-372
To mase or not to mase? Polarimetry of OH/IR stars....Pages 373-375
Evidence for competitive gain in OH transitions observed in circumstellar shells....Pages 376-379
Distance measurements of OH-IR sources....Pages 380-383
Further evidence for the photoproduction mechanism of the OH maser formation....Pages 384-387
Monte Carlo models of 1612 MHz OH masers in circumstellar shells....Pages 388-391
Properties of OH/IR stars in the galactic centre....Pages 392-395
The excitation of vibrationally excited H 2 O masers....Pages 399-402
The 22 GHz water maser of RX Bootis....Pages 403-406
The water maser properties of the arecibo sample of OH/IR stars....Pages 407-410
The evolution of water maser spectra in M type stars....Pages 411-414
Circumstellar water masers....Pages 415-418
Recent wort: On SiO masers at the Centro Astronómico de Yebes....Pages 421-424
SiO masers in VY CMa : Detection of maser emission in the v=4 state....Pages 425-428
Recent VLBI observations of SiO masers....Pages 429-432
86 GHz survey of IRAS point sources: 156 SiO, v=1, J=2→1 maser sources....Pages 433-436
Modeling SiO maser emission from late-type stars....Pages 437-440
The results of knife (Japanese MM-VLBI) on SiO masers....Pages 441-444
SiO maser emission and the intrinsic properties of MIRA variables....Pages 445-448
Molecular catastrophes and circumstellar SiO masers....Pages 449-452
Natural lasers and masers in the solar system....Pages 455-467
The OH radio emission of comet Levy 1990 XX....Pages 468-471
Astrophysical masers from a historical perspective....Pages 475-477