HD 161980

내용

UBV (RI)c observations of Johnson's standard sequence in IC 4665. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996MNRAS.282..313M&db_key=AST
List of errors found in the Yale Zone Catalogues, the GC, and the Cape Photographic Catalogues Not Available
Positions and proper motions of stars in the region of the galactic cluster IC 4665. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1955AJ.....60..384V&db_key=AST
Untersuchung der offenen Sternhaufen IC 4665, NGC 6633, IC 4756 Not Available

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