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IAUC 8285: S/2002 (121) 1; 2004T, 2004U,, 2004V

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                                                  Circular No. 8285
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


S/2002 (121) 1
     J. Lecacheux, Observatoire de Paris, reports that recent
observations of the satellite of (121) Hermione (cf. IAUC 7980) --
obtained during Jan. 4-6 with the Very Large Telescope and Keck
Observatory adaptative-optics system by F. Marchis, I. De Pater, D.
Hestroffer, P. Descamps, and J. Berthier -- have been used to
compute the probable ground track of an occultation predicted to be
visible for southern-European observers for up to about 3 s around
Feb. 16.938 UT.  The parent object (121) will occult the same ninth-
magnitude star, BD +29o1354 (R.A. = 6h49m15s, Decl. = +29o06'.2,
equinox 2000.0), for about 35 s along a parallel path of visibility
located about 1.55 deg south and 64 +/- 5 s earlier [see the
prediction by Dunham 2004, Sky Tel. 107(3), 102] with respect to
the occultation track for the satellite.  The retrograde orbit of
S/2002 (121) 1 about the primary (i about 150 deg, P = 1.62722 +/-
0.00007 days) seems to be precessing by about +40 deg/yr around a
pole located within the approximate box R.A. = [10 deg, 20 deg],
Decl. = [-10 deg, 0 deg].  On Feb. 16.938, the satellite is
predicted to be at Delta(R.A.) = +0s.0137 +/- 0s.0010, Delta(Decl.)
= +0".081 +/- 0".018 with respect to the parent body.  The 18-km-
wide shadow of S/2002 (121) 1 is predicted to pass across northern
Greece, Albania, central Italy, and southern France (at long.
34.793 deg E, lat. 36.045 deg N on Feb. 16.9347 and at long. 4.722
deg W, lat. 45.230 deg N on Feb. 16.9410; estimated absolute
uncertainties are +/- 75 km for lateral shift and +/- 12 s of
time).  Updates and details can be obtained at website URL
http://www.euraster.net.


SUPERNOVAE 2004T, 2004U, AND 2004V
     Further to IAUC 8281, J. Graham, B. Swift, and W. Li report
the LOSS discovery of three apparent supernovae on unfiltered KAIT
images:

SN      2004 UT        R.A.  (2000.0)  Decl.   Mag.     Offset
2004T   Feb.  9.4    10 56 10.27  +47 23 43.5  17.5  6".1 E, 10".7 S
2004U   Feb. 10.5    11 07 18.83  +28 22 23.6  17.7  1".7 E, 0".9 S
2004V   Feb. 10.6    14 50 55.33  +17 13 12.6  18.1  1".2 W, 7".5 N

The offset for SN 2004U is with respect to the center of a galaxy
that itself is 6".7 east and 44".5 north of NGC 3527.  Additional
unfiltered KAIT magnitudes:  SN 2004T in UGC 6038, Jan. 23.4,
[19.0; Feb. 10.4, 17.5.  SN 2004U, 2003 May 13.2, [19.0; 2004 Jan.
21.5, 17.9.  SN 2004V, Jan. 22.6, [19.0, Feb. 11.6, 18.0.

                      (C) Copyright 2004 CBAT
2004 February 11               (8285)            Daniel W. E. Green

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