Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 9273: (134340); V1534 Sco = N Sco 2014 = TCP J17154683-3128303

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 9272 SEARCH Read IAUC 9274

View IAUC 9273 in .dvi, .ps or .PDF format.
IAUC number 

                                                  Circular No. 9273
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
New postal address:  Hoffman Lab 209; Harvard University;
 20 Oxford St.; Cambridge, MA  02138; U.S.A.
CBATIAU@EPS.HARVARD.EDU           ISSN 0081-0304
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


(134340) PLUTO
     E. Lellouch, Observatoire de Paris; M. Gurwell, Harvard-
Smithsonian Center for Astrophysics; B. Butler and A. Moullet,
National Radio Astronomy Observatory; R. Moreno, D. Bockelee-
Morvan, N. Biver, T. Fouchet, and D. Lis, Observatoire de Paris; A.
Stern, L. Young, and E. Young, Southwest Research Institute; H.
Weaver, Applied Physics Laboratory, Johns Hopkins University; 
J. Boissier, Institut de Radio-Astronomie Millimetrique; and J. 
Stansberry, Space Telescope Science Institute, report the detection 
of the CO(3-2) and HCN(4-3) lines in Pluto's atmosphere at 345.8 
and 354.5 GHz.  Observations were conducted with the ALMA 
interferometer on June 12.2 and June 13.15 UT at a spatial 
resolution of about 0".3.  The spectrally resolved lines show 
contrasts of about 60 and 95 mJy, respectively, with no obvious 
variation between the two observing dates.  These observations 
confirm the presence of CO in Pluto's atmosphere and represent the 
first detection of HCN.  They also provide high signal-to-noise 
detection of the individual Pluto and Charon 0.86-mm continuum 
emissions.


V1534 SCORPII = NOVA SCORPII 2014 = TCP J17154683-3128303
     As first announced on CBET 3841, K. Nishiyama (Kurume, Japan)
and F. Kabashima (Miyaki, Japan) discovered a possible nova (mag
10.1) on CCD frames (limiting magnitude 13.4) taken around Mar.
26.85 UT using a 105-mm f/4 camera lens; confirming frames
(limiting mag 16.1) taken around Mar. 26.87 using a 0.40-m
reflector yielded position R.A. = 17h15m46s.83, Decl. =
-31o28'30".3 (equinox 2000.0).  Nothing is visible at this position
on their two past survey frames taken on Mar. 22.819 and 23.836
(limiting mag 12.5-12.9); a cataloged star of magnitude I = 14.2 is
located 0".44 away at position end figures 46s.86, 30".5.  E. O.
Waagen, AAVSO, added that various observations suggest that this
may be a symbiotic nova.  Low-resolution spectroscopy (range
400-800 nm; resolution 0.5 nm at H_alpha) by K. Ayani and S. Maeno
with the 1-m Bisei Astronomical Observatory telescope on Mar. 27.8
indicated that the variable is a nova in early phase, suggesting
that it may be one of the relatively rare He/N-type novae.
     The variable was designated TCP J17154683-3128303 when it was
posted at the Central Bureau's TOCP webpage.  E. Kazarovets and N.
Samus note that the permanent GCVS designation V1534 Sco has been
assigned to this variable.

                      (C) Copyright 2015 CBAT
2015 July 29                   (9273)            Daniel W. E. Green

Read IAUC 9272 SEARCH Read IAUC 9274

View IAUC 9273 in .dvi, .ps or .PDF format.

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

Valid HTML 4.01!