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

Result of query: info cati PHA NN$
.

Details on Acronym:   PH-alpha
  
PH-alpha (Pettersson, H-alpha)
Note:Table II: H-alpha em. stars, N=74 among (Nos 1-93)
***** Avoid the usage of PH-alpha, prefer PHA
Originof the Acronym: D = Assigned by the Dictionary of Acronyms

Details on Acronym:   PHA
  
PHA (Petterson, H-alpha)= (PH-alpha)
Write:<<PHA NNA>>
N: 94
Object:Em*  (SIMBAD class: EmLine* = Emission-line Star)
Stat:is completely incorporated in Simbad
Note:(Nos 1-93) but 20 rejected stars (Table III)
Ref:=1987A&AS...70...69P
byPETTERSSON B.
 Astron. Astrophys., Suppl. Ser., 70, 69-75 (1987)
  An objective-prism survey for H-α emission-line stars of a field in Puppis.
oTable II: <PHA NN> N=74 among (Nos 1-93)
Originof the Acronym: A = Assigned by the author(s)