The geometry of and mass accretion rate through the maser accretion disk in NGC 4258
JR Herrnstein, JM Moran, LJ Greenhill… - The Astrophysical …, 2005 - iopscience.iop.org
A maximum likelihood analysis of the NGC 4258 maser positions and velocities reveals a~ 2
σ deviation from Keplerian motion in the projected rotation curve of the high-velocity …
σ deviation from Keplerian motion in the projected rotation curve of the high-velocity …
Megamaser disks in active galactic nuclei
JF Kartje, A Königl, M Elitzur - The Astrophysical Journal, 1999 - iopscience.iop.org
Recent spectroscopic and VLBI-imaging observations of bright extragalactic H $\mathstrut {_
{2}} $ O maser sources have revealed that the megamaser emission often originates in thin …
{2}} $ O maser sources have revealed that the megamaser emission often originates in thin …
New evidence for Dicke's superradiance in the 6.7 GHz methanol spectral line in the interstellar medium
F Rajabi, M Houde, A Bartkiewicz… - Monthly Notices of …, 2019 - academic.oup.com
We present new evidence for superradiance (SR) in the methanol 6.7 GHz spectral line for
three different star-forming regions: S255IR-NIRS3, G24. 329+ 0.144, and Cepheus A. Our …
three different star-forming regions: S255IR-NIRS3, G24. 329+ 0.144, and Cepheus A. Our …
Unusually powerful flare activity of the H2O maser feature near a velocity of −60 km s−1 in W49N
AE Volvach, LN Volvach… - Monthly Notices of the …, 2020 - academic.oup.com
Water maser monitoring observations of W49N were carried out with the 22-m Simeiz radio
telescope from 2017 May to 2020 February. A series of flares near a high-velocity spectral …
telescope from 2017 May to 2020 February. A series of flares near a high-velocity spectral …
The Effelsberg survey of FU Orionis and EX Lupi objects-II. H2O maser observations
Context. FU Orionis (FUor) and EX Lupi (EXor) type objects are two groups of peculiar and
rare pre-main sequence low-mass stars that are undergoing powerful accretion outbursts …
rare pre-main sequence low-mass stars that are undergoing powerful accretion outbursts …
VLBA observations of a bursting water maser in Orion KL
T Shimoikura, H Kobayashi, T Omodaka… - The Astrophysical …, 2005 - iopscience.iop.org
We have performed multiepoch single-telescope and Very Long Baseline Interferometry
(VLBI) observations of an anomalously strong outburst of a water vapor maser in the Orion …
(VLBI) observations of an anomalously strong outburst of a water vapor maser in the Orion …
A new 3D maser code applied to flaring events
MD Gray, L Mason, S Etoka - Monthly Notices of the Royal …, 2018 - academic.oup.com
We set out the theory and discretization scheme for a new finite-element computer code,
written specifically for the simulation of maser sources. The code was used to compute …
written specifically for the simulation of maser sources. The code was used to compute …
Composite powerful short flare of water maser emission in IRAS 16293-2422
AE Volvach, LN Volvach… - Monthly Notices of the …, 2021 - academic.oup.com
Using long-term monitoring data of water-vapour masers, here we examine a composite
powerful flare of extremely short duration (∼ 12 d), which occurred in IRAS 16293-2422 …
powerful flare of extremely short duration (∼ 12 d), which occurred in IRAS 16293-2422 …
Astrophysical masers
M Gray - Philosophical Transactions of the Royal Society …, 1999 - royalsocietypublishing.org
A brief introduction to the concept of a natural maser is followed by a history of the discovery
of masers in space and a discussion of their basic properties. Several arguments are put …
of masers in space and a discussion of their basic properties. Several arguments are put …
Water maser emission in IC 342
The detection of 22 GHz water vapor emission from IC 342 is reported, raising the detection
rate among northern galaxies with IRAS point source fluxes Jy to 16%. The maser …
rate among northern galaxies with IRAS point source fluxes Jy to 16%. The maser …