[ZKK89] 3 , the SIMBAD biblio

other query modes :

Identifier query

Coordinate query

Criteria query

Reference query

Basic query

Script submission

TAP

Output options

Object types

Help

1989PASP..101..631Z - Publ. Astron. Soc. Pac., 101, 631-639 (1989)

A multicolor optical survey of QSOs to B=21.8 in the Hercules field.

ZHAN Y., KOO D.C. and KRON R.G.

Journal keyword(s):

Nomenclature: Table 1: [ZKK89] NN (Nos 1-30)

Simbad objects: 31

View the references in ADS