531 new spectroscopic redshifts from the CDFS and a test on the cosmological relevance of the GOODS-South field

532 Herculina

532 Herculina, A Differentiated Asteroid with Two Maria

532 Herculina, a Spherical Asteroid with Two Dark Regions

53Mn-53Cr Chronometry of Cb Chondrite: Evidence for Uniform Distribution of 53Mn in the Early Solar System

54 Cam - A new variable star

5424 Covington = 1983 TN1

546 precise astrometric positions of minor planets obtained at the GPO telescope of ESO - La Silla.

55 Cancri: A Coplanar Planetary System that is Likely Misaligned with its Star

55 Cancri: A Laboratory for Testing Numerous Conjectures about Planet Formation

55 Cancri: Stellar Astrophysical Parameters, a Planet in the Habitable Zone, and Implications for the Radius of a Transiting Super-Earth

55 ma: Separation of a spectroscopic triple system

55 New Compact Groups in the Southern Sky from an Automated Search

55 UMa spectroscopic orbit (Horn+, 1996)

557 GHz Observations of Water Vapor Outflows from VY CMa and W Hydrae

55Fe in Supernova 1987A

563 Camelopardalis and the transverse Zeeman effect in Hbeta .

56Co gamma-rays from SN1998bu: COMPTEL upper limits

56Fe(νe, e-)56Co:. A Technique for an Accurate Cross Section Measurement at ORLaND

56Ni dredge-up in Supernova 1987A