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Alert Notice 147: Probable nova in Sagittarius AND Special multiwavelength monitoring of 0201+14 TT Arietis

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THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
BITNET: aavso@cfa8 SPAN: nssdca::cfa8::aavso
Tel.617-354-0484 FAX 617-354-0665
    

AAVSO ALERT NOTICE 147 (August 1,1991)

PROBABLE NOVA IN SAGITTARIUS

The Central Bureau for Astronomical Telegrams informs us that F. Bateson of the
Royal Astronomical Society of New Zealand reported, via A. Gilmore of Mount John
Observatory, the photographic discovery of a probable nova by P. Camilleri,
Cobram, Victoria, Australia, on July 29.406 UT at magnitude 8.5. Gilmore reports
the precise position (1950) of this object as:

 RA 18h 10m 58.12s Dec. -32deg 13' 23.6"

The object has been confirmed visually, and appears to be fading quite quickly,
as the following observations indicate:

July 29.504 UT  7.0 W. Goltz, Tarnagulla, Victoria, Australia
29.505   7.3 P. Williams, Heathcote, NSW, Australia
30.096   7.9 J. Bortle, Stormville, NY
30.33   8.2 A Jones, Nelson, New Zealand
30.37   8.1 A Jones
30.438  8.1 D. Seargent, The Entrance, NSW, Australia
30.45   8.5 P. Williams
30.46   8.2 A Jones
30.46  8.6 T. Tregaskis, Mt. Eliza, Victoria, Australia
31.090   8.4 J. Bortle
31.90  9.5 A Pereira, Cabo da Roca, Portugal
Aug  1.156  9.4 J. Bortle

Please use the accompanying AAVSO charts to observe this object, and report your
observations to AAVSO Headquarters. When the nova falls below the limiting
magnitude of the "b" chart, please use the VZ Sgr "e" scale chart until a "d"
scale chart is prepared for the object.

Our congratulations to P. Camilleri for his discovery!

SPECIAL MULTIWAVELENGTH MONITORING OF 0201+14 TT ARIETIS

Many thanks to those observers who are participating in the coordinated
multiwavelength observing of TT Ari on August 1-2. Please submit your observations
of TT Ari to AAVSO Headquarters. For visual observers, please report your the
time of your observations to the minute (4 decimal places of the JD). For photometric
observers, please report the time of your observations to the second (5 decimal
places of the JD).

The Headquarters answering machine (617-354-0484) is on nights and weekends for
your convenience.

Janet Mattei, who is in Buenos Aires, Argentina, attending the General Assembly
of the International Astronomical Union, and I thank you for your efforts and
valuable observations.

Good observing!

Elizabeth O. Waagen
Senior Technical Assistant

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