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AAVSO Alert Notice

Alert Notice 493: Request to monitor BP Tau in support of Chandra X-ray observations

December 18, 2013: Dr. Hans Moritz Guenther (Harvard-Smithsonian Center for Astrophysics) has requested nightly observations of the classical T Tauri star BP Tau in support of upcoming Chandra X-ray observations in his study of the accretion processes underway in this star.

Alert Notice 492: Nova Centauri 2013 = PNV J13544700-5909080

December 3, 2013

Event: Nova in Centaurus = Nova Cen 2013 = PNV J13544700-5909080

Discovered by: John Seach (Chatsworth Island, NSW, Australia)

Discovery magnitude: unfiltered magnitude 5.5 using a DSLR with 50-mm lens

Discovery date: 2013 December 02.692 UT

Coordinates: R.A. 13 54 45.34   Decl. -59 09 04.2  (2000.0, K. Hornoch,
Astronomical Inst., Ondrejov, Czech Republic)

Alert Notice 491: V556 Serpentis = Nova Ser 2013 = PNV J18090346-1112345

December 2, 2013

Event: V556 Serpentis = Nova Ser 2013 = PNV J18090346-1112345

Discovered by: Koichi Itagaki (Teppo-cho, Yamagata, Japan), reported by S. Nakano (Sumoto, Japan)

Discovery magnitude: unfiltered CCD magnitude mag 12.3, using a 0.21-m reflector

Discovery date: 2013 Nov. 24.384 UT

Coordinates: R.A. 18 09 03.46  Decl. -11 12 34.5  (2000.0)

Alert Notice 195: Symbiotic stars AND Cataclysmic variables AND 1510+83 Z Ursae Minoris

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

AAVSO ALERT NOTICE 195 (November 23, 1994)

SYMBIOTIC STARS

Alert Notice 196: Outburst of 2110+13 EF Pegasi AND Request to monitor some Hipparacos red variables for photometric calibration

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

AAVSO ALERT NOTICE 196 (January 12, 1995)

OUTBURST OF 2110+13 EF PEGASI

Alert Notice 197: Observations of cataclysmic variables for Astro-2, EUVE, Voyager, and ASCA satellites AND Reminder regarding outburst of 0749+22 U Gem

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

AAVSO ALERT NOTICE 197 (January 27, 1995)

OBSERVATIONS OF CATACLYSMIC VARIABLES FOR ASTRO-2, EUVE, VOYAGER,
AND ASCA SATELLITES

Alert Notice 198: 1436-63 Nova Circini 1995 [BY Cir]

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

AAVSO ALERT NOTICE 198 (January 30, 1995)

1436-63 NOVA CIRCINI 1995

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