[vsnet-obs 27585] XTE J1118+48.0 - Mar 30 to May 5 UT

["Bjorn H. Granslo" <b.h.granslo@astro.uio.no>]

Norwegian Astronomical Society - Variable Star Section

1112+48  XTE J1118+480 [R.A.=11h18m10s.8, Decl.=+48o02'13" (2000)]

The following visual observations have be reported of this x-ray
nova:

Object        YYMMDD(UT)   Mag  Obs  Instrum.   Observation
XTEJ1118+480  000330.867  12.5  TOL  M610       4+5 (2)
XTEJ1118+480  000330.992  12.5: GRL  C203;100x  1-15;4+5 (3)
XTEJ1118+480  000401.006  12.7  GRL  C203;100x  2-2;4+1 (2)
XTEJ1118+480  000404.978  12.8  GRL  C203;287x  2-4;4+1 (2)
XTEJ1118+480  000408.885  12.7  GRL  M152;61x   2-3;4+1 (2)
XTEJ1118+480  000504.028  12.8  GRL  C203;287x  2-5;3-1;4+2 (2)
XTEJ1118+480  000505.031  13.1  GRL  C203;287x  2-7;3-3;5+4 (2)
XTEJ1118+480  000505.973  12.8  GRL  C203;287x  2-5;3=V;4+2 (1)

The apparent fading on May 5.031 UT should be noted.

These observations has been reduced using V magnitudes from the
revised sequence by B. Sumner, which is based on CCD measurements
by A. Henden, USNO. This sequence is availlable from

http://ftp.nofs.navy.mil/pub/outgoing/aah/sequence/sumner/j1118.seq

The following stars have been used as comparison stars:
ID   RA  (2000)   DEC       X    Y  N     V      ERR     B-V    ERR 
    h  m   s     o  '  "     "    "
1  11 18 40.7  +48 03 26   300   73  7  10.959  0.009  +0.510  0.006   
2  11 18 46.4  +47 54 45   358 -448  8  12.220  0.015  +0.678  0.006   
3  11 18 59.5  +47 57 03   488 -310     12.773  0.010  +0.679  0.006
4  11 17 44.5  +48 05 46  -264  213  7  13.031  0.009  +1.037  0.006   
5  11 18 56.2  +47 55 54   456 -379     13.654  0.013  +0.888  0.009

Observers:
GRL = B. H. Granslo (Fjellhamar, Norway). Instruments: 20.3-cm SCT
  (C203), 15.2-cm reflector (M152).
TOL = O. Trondal (Oslo, Norway). Instrument: 61-cm f/4 reflector.

                              Yours sincerely,
                              Bjorn H. Granslo

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