Optical and near-IR observations of XTE J1859+226

Details Optical and near-IR observations of XTE J1859+226 Optical and near-IR observations of XTE J1859+226

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999atel...50....1h&link_type=abstract

The Astronomer's Telegram, #50

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Radio, Millimeter, Sub-Millimeter, Far-Infra-Red, Infra-Red, Optical, Ultra-Violet, X-Ray, Gamma Ray, >Gev, Request For Observations, A Comment, Binaries, Black Holes, Neutron Stars, Stars, Transients, Variables

Scientific paper

Following optical and near-infrared monitoring of XTE J1859+226 (IAUC #7279, #7284), HST/STIS observations were performed on Oct 18.10-18.38 spanning 112-1026nm. The UV spectrum shows broad (12000km/s FWZI) and deep Lyman alpha absorption, strong CIV 155nm emission (EW 1.1nm, 4000km/s FWZI) and weaker emission lines of CIII, NV, OIII, OIV, OV, SiIV and HeII. Sharp absorption lines of SiII, SiIII, MgII and other species also appear with possible interstellar origin.

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