KANATA observation of high-redshift blazar 0917+449

Details KANATA observation of high-redshift blazar 0917+449 KANATA observation of high-redshift blazar 0917+449

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.1903....1i&link_type=abstract

The Astronomer's Telegram, #1903

Astronomy and Astrophysics

Astronomy

Optical, Agn, Quasars

Scientific paper

Following the Fermi/LAT detection of the high gamma-ray state of the high-redshift (Z=2.19) blazar 0917+449 (ATEL #1902), we performed an optical photometric observation with the "KANATA" 1.5-m telescope at Higashi-Hiroshima Observatory. Our preliminary analysis shows that the blazar 0917+449 was V=17.7+/-0.1 on 20.6 (UT) Jan 2009. The V-band magnitude of the object was obtained with a comparison star located at RA=09:21:16.65, Dec=+44:40:43.7 (V=13.146; converted from the SDSS g and r mag.).

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