Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

TCP J17541747-2942531

TCP J17541747-2942531   2018 10 23.9179*  17 54 17.47 -29 42 53.1  14.9 U             Sgr       9 0



2018 10 23.91791

Discovered by C. Jacques, J. Barros, E. Pimentel, P. Holvorcem, on behalf of the Brazilian Transient Search - BraTS - at SONEAR Observatory, Oliveira, Brazil with three frames with 10 seconds exposure using an astrograph 11"f/2.2 + CCD camera under limiting mag = 16.5. Nothing is visible at this location on the previous frame (limit mag = 16.0) taken on 2018 October, 21.914 UT.




2018 10 24.29

Also reported as AT 2018hnj by the discoverers: https://wis-tns.weizmann.ac.il/object/2018hnj. An OGLE II. VI photometry of Galactic Bulge (Udalski+, 2002) catalogue source (position end figures 17.47s, 53.3"; V= 20.8, I= 19.0 mag) is 0.2" south of the transient's reported position. Nothing was detected by the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) since 2013 Apr. 4; latest available observation is 2018 Oct. 7.0607 UT, gmag. fainter than 15.1; complete 'light curve' at https://asas-sn.osu.edu/light_curves/fe4b7850-e9d3-4412-adb1-94623c7f8b84 --- Patrick Schmeer (Saarbr├╝cken-Bischmisheim, Germany)



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