Search Publications
Radio observations of the XMM-Newton/Chandra 13hr deep survey field
Page, M. J.; Seymour, N.; Sasseen, T. +9 more
Our VLA observations of the XMM-Newton/Chandra 13hr deep survey field (see Page et al., this proceedings) result in one of the two deepest 1.4GHz radio maps ever made. Within the 15' radius field covered by the deep X-ray data (0.19 deg2), a total of 556 radio sources are detected, down to a 4sigma flux limit of 28mu Jy. Of the 214 Chan…
XMM-Newton observation of the Marano Field
Hasinger, G.; Wilms, J.; Staubert, R. +2 more
X-ray spectra of XMM-Newton AXIS serendipitous sources
Barcons, X.; Carrera, F. J.; Mateos, S. +2 more
We have carried out a broad-band spectral analysis of X-ray sources detected serendipitously with the EPIC-pn instrument onboard XMM-Newton in AXIS fields. Our total catalogue contains 1837 X-ray sources detected in the energy band 0.5-4.5 keV down to a flux of ~ 3x 10-15 erg cm-2 s-1. Optical identifications are a…
Flare stars in the TW Hydrae association: the HIP 57269 syste
Neuhäuser, R.; Guenther, E. W.; Hambaryan, V. +1 more
We discuss a new member candidate of the TW Hydrae association (TWA) among the stars of the Gershberg et al. ( te{gershberg}) flare star catalog. TWA is one of the closest known associations of young stars at about 60 pc. Three supposedly young flare stars are located in the same region of the sky as TWA. One of them (
XESS: An XMM Extended Source Survey
Saxton, R. D.; Neumann, D. M.; Denby, M. +1 more
The XMM-Newton SSC serendipitous cluster survey
Elvis, M.; Watson, M. G.; Schwope, A. +2 more
Hard X-ray observations of Extremely Red Objects
Brusa, M.
Extremely Red Objects (EROs, R-K>5) constitute a heterogeneous class of extragalactic sources including high redshift elliptical galaxies, dusty star-forming systems and heavily obscured AGNs. Hard X-ray observations provide an unique and powerful tool to uncover obscured nuclear or star-forming activity. We present the results of XMM-Newton ob…
Calculated atmospheric color refraction and observed stellar positions
Langhans, R.; Malyuto, V.; Potthoff, H.
Astrometric observations at different zenith distances have been performed in Dresden in an area centered at NGC 6791 where there are some stars with reliable color information (widely dispersed spectral types in the MK system and color indices BT-VT) as well as with accurate positions from Tycho-2 catalog. The results are us…
Hot loop oscillations seen by SUMER
Solanki, S. K.; Curdt, W.; Innes, D. E. +2 more
Solar observations from space and from the ground
Curdt, W.
Recent results from space missions like YOHKOH, SOHO or TRACE as well as ground-based observations clearly indicate that physical processes of most solar phenomena take place on small scales, which are still below the resolution of the instruments employed. There is an urgent need for observations at higher resolution and also for their extension …