Skip to main content

7 Result(s)

within R. G. DOWER Remove this filter English Remove this filter

and

  1. No Access

    Article

    4U0241+61: a luminous low-redshift QSO

    A PRECISE (30″) celestial position for the faint (1.8 µJy, 2–11 keV) X-ray source 4U0241+61 (ref. 1) and its identification at optical and radio wavelengths are reported here. Despite its low galactic latitude (b

    K. M. V. APPARAO, G. F. BIGNAMI, L. MARASCHI, H. HELMKEN, B. MARGON, R. HJELLMING… in Nature (1978)

  2. No Access

    Article

    Positions of galactic X-ray sources: 55° < lII < 320°

    PRECISE (20–40″) celestial positions of 10 galactic X-ray sources in the region 55° < lII < 320° are reported here. These positions were measured with the rotating modulation collimator detectors on the SAS-3 X-r...

    R. G. DOWER, K. M. V. APPARAO, H. V. BRADT, R. E. DOXSEY, J. G. JERNIGAN… in Nature (1978)

  3. No Access

    Article

    Positions of galactic X-ray sources: −20° < lII < + 6°

    THE precise (20–60″) positions of nine X-ray sources, in the vicinity of the galactic centre are reported here. The data were obtained as part of the comprehensive survey of the galactic plane performed with t...

    J. G. JERNIGAN, K. M. V. APPARAO, H. V. BRADT, R. E. DOXSEY, R. G. DOWER… in Nature (1978)

  4. No Access

    Article

    Discovery of an X-ray QSO

    WE report here the discovery of an X-ray emitting QSO, the first to be initially identified from X-ray observations. Previously, the only QSO known to be an X-ray source was 3C273 (refs 1 and 2). The new QSO h...

    G. R. RICKER, G. W. CLARKE, R. E. DOXSEY, R. G. DOWER, J. G. JERNIGAN… in Nature (1978)

  5. No Access

    Article

    Positions of galactic X-ray sources: 320° < lII <340°

    PRECISE (20–40″) positions of seven X-ray sources in the celestial region 320° < lII < 340° are reported here. These include a recurrent transient X-ray source (MX1608–52; refs 1–4) and a source 2S1553–542 (ref. ...

    K. M. V. APPARAO, H. V. BRADT, R. G. DOWER, R. E. DOXSEY, J. G. JERNIGAN, F. LI in Nature (1978)

  6. No Access

    Article

    Positions of galactic X-ray sources: 0° < lII < 20°

    PRECISE (20–25″) positions of six X-ray sources located in the galactic bulge, GX1+4, GX9+9, GX3+1, GX+1, G%13+1 and GX17+2 are reported here. The data were taken as part of the survey of the galactic plane pe...

    R. E. DOXSEY, K. M. V. APPARAO, H. V. BRADT, R. G. DOWER, J. G. JERNIGAN in Nature (1977)

  7. No Access

    Article

    Positions of galactic X-ray sources: 20° < lII < 55°

    Precise positions, determined with data from the SAS-3 X-ray observatory, are presented for eight galactic plane X-ray sources (Aq1 X-1, Ser X-1, 3U1956 + 11, 3U1822−00, 3U1915−05, A1845−02, A1850−08, A1905+00...

    R. E. Doxsey, K. M. V. Apparao, H. V. Bradt, R. G. Dower, J. G. Jernigan in Nature (1977)