We have used the Very Large Array to search for compact milliarcsecond-size radio sources near methanol masers in high-mass star-forming regions. Such sources are required for Very Long Baseline Interferometry phase-referencing observations. We conducted p
Table3.SourcesResolvedinC-orU-BandObservations
KnownHIIregionaccordingtoSIMBADAstronomicalDatabaseand/orsourcewithrisingspectrum.
b
a
PlanetarynebulaaccordingtoSIMBADAstronomicalDatabase.
，请把【付款记录详情】截图给客服，同时把您购买的文章【网址】发给客服。客服会在24小时内把文档发送给您。
