Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 8576: V1188 Sco = N Sco 2005; C/2005 M6-M10

The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).

Read IAUC 8575 SEARCH Read IAUC 8577

View IAUC 8576 in .dvi, .ps or .PDF format.
IAUC number 

                                                  Circular No. 8576
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)


V1188 SCORPII = NOVA SCORPII 2005
     N. N. Samus, Institute of Astronomy, Russian Academy of
Sciences, informs us that the designation V1188 Sco has been given
to this nova (cf. IAUC 8574, 8575).
     H. Naito and N. Tokimasa, Nishi-Harima Astronomical
Observatory (NHAO); and H. Yamaoka, Kyushu University, report that
a low-resolution spectrum (range 300-850 nm; resolution 150) of
V1188 Sco, obtained on July 27.6 UT with NHAO 0.60-m telescope (+
NILS), shows a broad H_alpha feature (FWHM = 1730 km/s) with P-Cyg
profile, suggesting that V1188 Sco is indeed a classical nova.
Yamaoka adds that M. Fujii, Ibara, Japan, obtained a spectrum on
July 27.53, which shows a clear H_alpha line in emission.
     F. M. Walter, State University of New York at Stony Brook; H.
E. Bond, Space Telescope Science Institute; and A. Pasten, SMARTS
and Cerro Tololo Interamerican Observatory (CTIO), confirm that
V1188 Sco is a classical nova near or before peak.  A 0.31-nm-
resolution spectrum (range 570-690 nm), taken on July 28.16 UT
using the SMARTS/CTIO 1.5-m RC spectrograph, shows broad H_alpha
(FWZI = 4000 km/s, EW= -3.5 nm) and Fe II (74) lines in emission
atop a photospheric continuum with absorption lines.  He I 587.6-nm
appears in absorption; the Na D line (EW = 0.5 nm) shows three
absorption components.  The peak of the H_alpha emission is
blueshifted by about 250 km/s; the P-Cyg absorption is blueshifted
by about 900 km/s.  There may also be an absorption feature at +350
km/s.


COMETS C/2005 M6-M10 (SOHO)
     Several more tailless Kreutz sungrazing comets have been found
on SOHO images (cf. IAUC 8572).  C/2005 M6 was tiny, faint, and
diffuse.  C/2005 M7 was stellar, tiny, and faint in the C3 images,
but slightly diffuse in C2 images, reaching mag about 6.4 at 7.8
solar radii on June 26.021 UT.  C/2005 M8 was faint and diffuse,
reaching mag about 8.0 at 7.6 solar radii on June 27.829.  C/2005
M9 was very diffuse in C2 images, reaching mag about 7.8 at 7.5
solar radii on June 28.162.  C/2005 M10 was diffuse and very faint.

 Comet       2005 UT       R.A.(2000)Decl.  Inst.  F    MPEC
 C/2005 M6   June 24.777   6 08.4   +21 40   C2    SH   2005-O35
 C/2005 M7        25.529   6 10.1   +20 29   C3/2  XL   2005-O35
 C/2005 M8        27.771   6 19.5   +21 41   C2    RM   2005-O35
 C/2005 M9        27.846   6 19.2   +20 55   C3/2  RM   2005-O35
 C/2005 M10       29.421   6 26.4   +21 38   C2    KC   2005-O35

                      (C) Copyright 2005 CBAT
2005 July 28                   (8576)            Daniel W. E. Green

Read IAUC 8575 SEARCH Read IAUC 8577

View IAUC 8576 in .dvi, .ps or .PDF format.

Our Web policy. Index to the CBAT/MPC/ICQ pages.

Valid HTML 4.01!