Dictionary of Nomenclature of Celestial Objects
(Last update: 13-Jan-2022)

Result of query: info cati HE2QS JHHMM+DDMM$



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Details on Acronym:   HE2QS
   HE2QS (HeII Quasar Survey) Write:<<HE2QS JHHMM+DDMM>> N: 9 Object:QSO  (SIMBAD class: QSO = Quasar) Stat:is completely incorporated in Simbad Note:HST COS and STIS observations of HeII-transparent quasars, as part of the HeII Quasar Survey (HE2QS). Ref:=2017ApJ...847...81S bySCHMIDT T.M. , WORSECK G., HENNAWI J.F., PROCHASKA J.X., CRIGHTON N.H.M. Astrophys. J., 847, 81-81 (2017) Statistical detection of the He II transverse proximity effect: evidence for sustained quasar activity for >25 million years. oTable 2: <HE2QS JHHMM+DDMM> N=5. Table 3: <[SWH2017] JDDD.ddddd+DD.ddddd> N=131. Ref:=arXiv:1808.05247 Ref:=arXiv:1810.03391 Originof the Acronym: A = Assigned by the author(s)

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