[FW] AAVSO Nova Scorpii 2008

07/set/2008 03:21:49 SETI ITALIA Cocconi Contatta l'autore

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[FW] AAVSO Nova Scorpii 2008

>AAVSO Alert Notice 383


>Nova Scorpii 2008

>September 6, 2008


>Event: Nova in Scorpius


>Discovered by: K. Nishiyama (Kurume, Fukuoka-ken, Japan) and F. Kabashima

> (Miyaki-cho, Saga-ken, Japan); Y. Sakurai (Mito, Ibaraki-ken,

> Japan); and Guoyou Sun (Qufu, Shandong, China) and Xing Gao

> (Urumqi, Xinjiang, China)


>Discovery date: 2008 September 02.4594 UTC (JD 2454711.9594)


>Discovery Magnitude: m = 9.5 (unfiltered)


>Position: RA = 17h 57m 32.93s , Dec = -30d 43m 10.1s (from Nishiyama

> and Kabashima)


>Charts: Finder charts for this object may be plotted by entering the

>coordinates above into VSP: http://www.aavso.org/observing/charts/vsp/

>The sequence was prepared by M. Morel.


>Notes: This object was announced as a nova in IAU Circular 8972 (Daniel

>W.E. Green, editor). This is a classical nova, as determined by

>low-resolution spectra by M. Fujii (Ibara, Okayama, Japan) and H. Naito

>(Nishi-Harima Astron. Obs.) on Sept 3.49 and Sept 5.47 respectively.

>This object has been given the formal variable star designation

>"V1309 Sco". Please see IAUC 8972 for complete details on discovery

>and confirmation.


>The following observations have been submitted to the AAVSO since the

>issuance of AAVSO Special Notice #124 (2008 September 03): JD

>2454713.4167, m(vis) = 9.3 (A. Amorim, Florianopolis, Brazil);

>2454713.51944, m(vis) = 9.0 (L. Shotter, Uniontown, PA, United States);

>2454714.03056, m(unfiltered) = 8.7 (R.J. Kaufman, Bright, Victoria,

>Australia); 2454714.54167, m(vis) = 8.2 (L. Shotter); 2454714.99097,

>m(unfiltered) = 8.0 (R.J. Kaufman); 2454715.5590, m(vis) = 8.4 (G.

>Beltran, Cochabamba, Bolivia); and 2454715.94028, m(unfiltered) = 8.0

>(R.J. Kaufman).


>Thanks to all observers who have submitted observations thus far.

>Continued observations are strongly encouraged throughout this nova

>outburst. Please submit data to the AAVSO using the name "V1309 SCO",

>or the AUID "000-BFT-812". The VSX designation "VSX J175732.9-304310"

>may also be used.


>Congratulations to the discoverers!


>Clear skies, and good observing,


>Matthew Templeton


Forward by Bruno Moretti Turri IK2WQA, Varese

SETI ITALIA Team G. Cocconi, IARA, SdR Radioastronomia UAI


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