THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
Tel. 617-354-0484 Fax 617-354-0665
http://www.aavso.org
* * * AAVSO NEWS FLASH * * *
Subject: 0130+50 KT PER 1911-00 FO AQL No. 465
0217+70 AM CAS 1937+21 FY VUL July 12, 1999
0640-16 HL CMA 2053+25 VW VUL
1841+37 AY LYR
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0130+50 KT PERSEI
The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER is in
outburst, as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUL 08.075 11.8 PYG JUL 11.003 12.1 MUY
JUL 09.006 12.0 MUY JUL 11.055 12.0 PYG
JUL 10.011 12.1 MUY JUL 11.1465 12.3 BRJ
JUL 10.072 11.9 PYG JUL 12.1618 12.4 BRJ
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0217+70 AM CASSIOPEIAE
The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS is in
outburst, as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUL 08.1278 14.2 BRJ JUL 11.0333 12.8 POX
JUL 09.004 <13.5 MUY JUL 11.1285 13.2 BRJ
JUL 10.010 <13.5 MUY JUL 12.1590 13.3 BRJ
JUL 11.000 12.8 MUY
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0640-16 HL CANIS MAJORIS
The dwarf nova type cataclysmic variable HL CMA appears to be in outburst,
as indicated by the following observation:
AAVSO Observer
UT Mag. Initials
JUL 09.8306 11.4 SRX
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1841+37 AY LYRAE
The dwarf nova type (SU UMA subclass) cataclysmic variable AY LYR is in
outburst, as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUL 09.0590 <14.2 BMM JUL 10.979 13.0 PYG
JUL 09.1910 13.3 BTB JUL 11.0111 12.8 POX
JUL 09.91 13.5 GUN JUL 11.1194 12.8 BRJ
JUL 09.924 13.7 RMQ JUL 11.1306 13.1 CGF
JUL 09.957 13.3 MUY JUL 11.2167 12.8 DLA
JUL 09.961 13.1 OJR JUL 11.2944 12.8 BTH
JUL 09.9778 13.0 JCN JUL 11.9 12.8 VET
JUL 10.0083 13.2 BMM JUL 11.9 12.8 VET
JUL 10.013 13.5 PYG JUL 11.95 12.1 GGX
JUL 10.2076 12.6 BTB JUL 11.95 12.1 GGX
JUL 10.940 13.3 RMQ JUL 12.0403 12.5 BMM
JUL 10.953 12.7 MUY JUL 12.1215 12.8 BRJ
JUL 10.9639 12.7 JCN JUL 12.1556 12.7 CGF
JUL 10.9743 12.9 BMM
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1911-00 FO AQUILAE
The dwarf nova type (SS CYG subclass) cataclysmic variable FO AQL is in
outburst, as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUL 08.060 <15.2 PYG JUL 11.0236 13.4 POX
JUL 08.5035 14.4 SRX JUL 11.026 13.8 PYG
JUL 08.958 13.9 MUY JUL 11.1229 13.5 BRJ
JUL 09.5299 13.8 SRX JUL 12.1146 13.3 BRJ
JUL 09.965 13.7 MUY JUL 12.1990 13.49 CCDV ZRE
JUL 10.010 13.8 PYG
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1937+21 FY VULPECULAE
The dwarf nova type (Z CAM subclass) cataclysmic variable FY VUL is in
outburst, as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUL 02.944 <14.1 MUY JUL 08.044 13.6 PYG
JUL 05.024 13.9 PYG JUL 08.975 13.7 MUY
JUL 05.964 14.0 MUY JUL 09.975 13.9 MUY
JUL 06.955 13.9 MUY JUL 11.010 13.9 PYG
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2053+25 VW VULPECULAE
The dwarf nova type (SU UMA subclass) cataclysmic variable VW VUL appears
to be in outburst, as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUL 10.056 15.2 PYG JUL 10.988 13.5 PYG
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We thank the following contributors for the data that they
have provided for this News Flash:
BMM - M. BIESMANS, BELGIUM
BRJ - J. BORTLE, USA MUY - E. MUYLLAERT, BELGIUM
BTB - T. BRETL, USA OJR - J. OSORIO, SPAIN
BTH - T. BURROWS, USA POX - M. POXON, ENGLAND
CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND
DLA - A. DILL, USA RMQ - M. RESZELSKI, POLAND
GGX - G. GUZMAN, FRANCE SRX - R. STUBBINGS, AUSTRALIA
GUN - J. GUNTHER, FRANCE VET - M. VERDENET, FRANCE
JCN - C. JONES, ENGLAND ZRE - R. ZISSELL, USA
Please monitor these and other variable stars closely and phone-in, fax,
or e-mail your observations to the AAVSO.
Good observing!
Janet A. Mattei, Director
Rebecca Pellock, Technical Assistant
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Symbols may include: < = fainter than magnitude given (variable not seen)
: = uncertain
CCDV = Charge-coupled device with (V) filter
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