Dictionary of Nomenclature of Celestial Objects
(Last update: 18-Oct-2019)

Result of query: info cati M81]$

Details on Acronym:   [M81]
   [M81] (McConnell, 1981)= [M81a] Write:<<[M81] I-NNN>>
<<[M81] II-NN>> N: 737+34 Object:Em*  (SIMBAD class: Em* = Emission-line Star) Note:Table I: format 'I-NNN', N=737 early-type emission stars. Table II: format 'II-NN', N=34 late-type emission stars. Ref:=1981A&AS...44..387M byMacCONNELL D.J. Astron. Astrophys., Suppl. Ser., 44, 387-399 (1981) Discoveries on southern red-sensitive objective-prism plates III: new stars having Hα in emission. oTable I: <[M81] I-NNN> N=737. Table II: <[M81] II-NN> N=34 =E=Catalogue in electronic form as <J/A+AS/44/387/> Originof the Acronym: S = Created by Simbad, the CDS Database
Details on Acronym:   [M81a]
   [M81a] (McConnell, 1981) ***** Avoid the usage of [M81a], prefer [M81] Originof the Acronym: S = Created by Simbad, the CDS Database

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