An optical flare of 4C 14.23 observed with the KANATA telescope

Details An optical flare of 4C 14.23 observed with the KANATA telescope An optical flare of 4C 14.23 observed with the KANATA telescope

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2246....1s&link_type=abstract

The Astronomer's Telegram, #2246

Astronomy and Astrophysics

Astronomy

1

Optical, Agn, Quasars

Scientific paper

Following the Fermi/LAT detection of the gamma-ray flare from 4C 14.23 (ATEL #2243), we performed optical photopolarimetric observations with the "KANATA" 1.5-m telescope at Higashi-Hiroshima Observatory. Our preliminary analysis shows that the V and J-band magnitudes of 4C 14.23 were V=17.1+/-0.1 and J=14.7+/-0.1 on 15.8 (UT) Oct. 2009, respectively. We adopted a nearby star at RA=07:25:20.93 and DEC=+14:25:03.9 (V=14.420 in NOMAD, J=13.485 in 2MASS) as the photometric reference.

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