ALMA Images of the Host Cloud of the Intermediate-mass Black Hole Candidate CO−0.40–0.22*: No Evidence for Cloud–Black Hole Interaction, but Evidence for a Cloud–Cloud Collision

@article{Tanaka2018ALMAIO,
  title={ALMA Images of the Host Cloud of the Intermediate-mass Black Hole Candidate CO−0.40–0.22*: No Evidence for Cloud–Black Hole Interaction, but Evidence for a Cloud–Cloud Collision},
  author={Kunihiko Tanaka},
  journal={The Astrophysical Journal},
  year={2018},
  volume={859},
  pages={86}
}
  • Kunihiko Tanaka
  • Published 2018
  • Physics
  • The Astrophysical Journal
  • This paper reports a reanalysis of archival ALMA data of the high velocity(-width) compact cloud CO−0.40–0.22, which has recently been hypothesized to host an intermediate-mass black hole (IMBH). If beam-smearing effects, difference in beam sizes among frequency bands, and Doppler shift due to the motion of the Earth are considered accurately, none of the features reported as evidence for an IMBH in previous studies are confirmed in the reanalyzed ALMA images. Instead, through analysis of the… CONTINUE READING
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