Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Sep-2023)

Result of query: info cati 1H$

Details on Acronym:   1H
  
1H     (HEAO A-1 experiment)= (HEAO) = (LASS) 
 Write:<<1H  HHMM+DDd>>
 N:  842
Object:(X)  (SIMBAD class: X = X-ray Source)
  Stat:is completely incorporated in Simbad
  Note:Sources detected with the NRL Large Area Sky Survey Experiment    on the HEAO 1 satellite. First 6 months of data from HEAO 1.    limiting flux 250 nJy at 5 keV or  about 0.25 UFU.    90per100 complete at flux level 1.5 microJy at 5 keV.    Cross-referenced with published literature
   Ref:=1984ApJS...56..507W
     byWOOD K.S.
, MEEKINS J.F., YENTIS D.J., SMATHERS H.W., McNUTT D.P., BLEACH R.D., BYRAM E.T., CHUBB T.A., FRIEDMAN H., MEIDAV M.
 Astrophys. J., Suppl. Ser., 56, 507-649 (1984)

    The HEAO A-1 X-ray source catalog.

o<1H HHMM+DDd> N=842
=E=Catalogue in electronic form as VII/80 Table 3: (Nos U1-U29), UV excess candidates Table 3: (Nos U1-U29), UV excess candidates Table 3: (Nos U1-U29), UV excess candidates
 Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   HEAO
  
HEAO   (HEAO satellite)
  ***** Avoid the usage of HEAO,  prefer 1H

Details on Acronym:   LASS
  
LASS   (Large Area Sky Survey)
  ***** Avoid the usage of LASS,  prefer 1H
 Originof the Acronym: L = Found in the literature