Dictionary of Nomenclature of Celestial Objects (Last update: 23-Jul-2021)
Result of query: info cati S72b] NGC 6819 NNN$
Details on Acronym: [S72b] [S72b] (Sanders, 1972)
Write:<<[S72B] NGC 6819 NNN>>
Object:* (SIMBAD class: Star)
Note:One Yerkes 40-inch refractor plate pair was measured on the Lick Automatic Measuring Engine to obtain relative proper motions of N=189 stars in NGC 6819 field.
in source:NGC 6819Ref:=1972A&A....19..155S
Astron. Astrophys., 19, 155-158 (1972)
Membership of the open cluster NGC 6819.
oStars no. 79 and 186 are not on the finding chart.
oTable 1: <[S72b] NGC 6819 NNN> N=189 among (Nos 1-191).
Originof the Acronym: S = Created by Simbad, the CDS Database