Dictionary of Nomenclature of Celestial Objects
(Last update: 24-Apr-2024)

Result of query: info cati PTR87] HHMM+DD$
.

Details on Acronym:   [PTR87]
  
[PTR87] (Purvis+Tappin+Rees+, 1987)= (IPS) (Not yet in Simbad)
Write:<<[PTR87] HHMM+DD>>
N: 1789
Object:(Rad)  (SIMBAD class: Radio = Radio Source)
Note:Survey of 1789 radio-sources which exhibit interplanetary scintillation (IPS) at 81.5MHz. The faintest sources in the catalogue have scintillating flux densities of about 0.3 Jy rms. The presence of IPS indicates that there is structure in the brightness distribution of a source on scales less than 2 arcsec in extent.
Ref:=1987MNRAS.229..589P
byPURVIS A. , TAPPIN S.J., REES W.G., HEWISH A., DUFFETT-SMITH P.J.
 Mon. Not. R. Astron. Soc., 229, 589-619 (1987)
  The Cambridge IPS survey at 81.5 MHz.
oTable I: <[PTR87] HHMM+DD> N=1789.
=E=Catalogue in electronic form as J/MNRAS/229/589
Originof the Acronym: S = Created by Simbad, the CDS Database