1300 + 361 A,B is not a gravitational lens

Details 1300 + 361 A,B is not a gravitational lens 1300 + 361 A,B is not a gravitational lens

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1802h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Dec. 1984, p. 1802-1807.

Astronomy and Astrophysics

Astronomy

6

Astronomical Spectroscopy, Gravitational Lenses, Angular Resolution, Charge Coupled Devices, H Ii Regions, Red Shift, Spectral Line Width, Stellar Evolution

Scientific paper

Spectroscopic observations toward 1300 + 361 B obtained at 320-940 nm using a double spectrograph with CCD detectors on the 5-m Hale telescope (resolution about 7 A at 470-940 nm and 10-12 A at 320-470 nm on April 4-5, 1984, are reported. Two objects with magnitude 20 and spectral characteristics resembling those of an interacting pair of metal-poor H II regions at redshift 0.107 are observed, separated by about 10.6 arcsec and with a velocity difference of less than 80 km/s. It is considered unlikely that these objects form a gravitational-lens system. The ratio of the dereddened flux of the 5007-A forbidden line of O III to that of H-beta is found to be 5.03 for 1300 + 361 A and 3.67 for 1300 + 361 B; the difference is attributed to the presence of star-forming regions in the interacting system.

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