... M-101) The Wide Field Camera was used to make two images of the large Sc class spiral galaxy NGC-5457 in Ursa Major (aka, M-101) to look for Cepheid variable stars. ...
... The giant spiral galaxy M101 - Radio observations of H II regions in external ... H II regions and the nonthermal disc of M101 " Israel, F. P.; Goss, W. M.; Allen, R ... 20. " The giant spiral galaxy M101. ...
... 1.8 Completed WF/PC-2 5766 (Determination of the Extragalactic distance Scale - M-101 Carryover) The WF/PC-2 was used to make observations of the galaxy NGC-5457 (aka, M-101) to help improve the estimate of the Hubble Constant. ...
... No problems were noted with the data. 1.6 Completed WFC 5010 (Determination of the Extragalactic Distance Scale. III. M-101. ... was used for a search of Cepheid variable stars in the Sc class spiral galaxy M-101 (aka, NGC-5457) located in Ursa Major ...
... 1.15 Completed WF/PC-2 5766 (Determination of the Extragalactic distance Scale - M-101 Carryover) The WF/PC-2 was used to make observations of the galaxy NGC-5457 (aka, M-101) to help improve the estimate of the Hubble Constant. ...
... 1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed WFC 4658 (Determination of Extragalactic Distance Scale) The Wide Field Camera was used to make two images of sections of the galaxy M-101 (aka, NGC-5457) to look for Cepheid variable stars ...