V818 Sco : Active state since June
V818 Sco (Sco X-1) was faint around June 21 - 25, and then,
recovered to 12.7mag in the end of June
(vsnet-campaign-xray 71).
The activity became much stronger after the recovering
(vsnet-campaign-xray 74,
vsnet-campaign-xray 76).
E. Kuulkers commented that Sco X-1 is known to be flaring on
timescales of hours and X-rays and optical correlate well
during such flares
(vsnet-campaign-xray 75).
The active state has continued around 12.0 - 12.7mag
(vsnet-campaign-xray 77,
79,
80,
85,
86).
Links:
RXTE/ASM recent X-ray light curve:
http://heasarc.gsfc.nasa.gov/cgi-bin/xte_weather/xte_lc?source=SCOX1