Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)

Result of query: info cati PACH$

Details on Acronym:   PaCh
  
PaCh (Parsamian+Chavira)= (PC) = (T)
Write:<<PaCh NNN>>
N: 534
Object:Em*  (SIMBAD class: EmLine* = Emission-line Star)
Stat:is completely incorporated in Simbad
Note:Table 1: col(1): (Nos 1-534), Tonant. serial No., 'PaCh NNN'
col(2): No. or letter in the Orion Constellation
col(4): Tonant. numbering from 1953ApJ...117...73H: Haro 4- (Nos 256-495) are new here
Identif. charts
in source:NAME Orion Nebula
Ref:=1982BITon...3...69P
byPARSAMIAN E.S. , CHAVIRA E.
 Bol. Inst. Tonantzintla, 3, 69-96 (1982)
  Catalog of H-α emission stars in the region of the Orion nebula.
oTable 1, col(1): <PaCh NNN> (Nos 1-534). Table 1, col(4): <Haro 4-NNN> (Nos 256-495)
=E=Catalogue in electronic form as <II/309/>

Details on Acronym:   PC
  
PC (Parsamian+Chavira)
***** Avoid the usage of PC, prefer PaCh
Originof the Acronym: L = Found in the literature

Details on Acronym:   T
  
T (Tonantzitla obs.)
***** Avoid the usage of T, prefer PaCh
Originof the Acronym: L (2003AJ....126.1916P)