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[vsnet-campaign 1338] VSNET Weekly Campaign Summary
VSNET Weekly Campaign Summary
*** Last week news ***
(new targets)
Possible Nova Sgr 2002 (No.2) (RA = 18h02.4m, Dec = -25d18')
W. Liller discovered a new stellar object of about 8.5mag on
September 15. Nothing brighter than mag 11.5 appears on two photos
taken at September 11 (vsnet-campaign-nova 976, vsnet-campaign-news
172). There is a strong IRAS/MSX5C source close to the location of
this new object (vsnet-campaign-nova 978). The probable optical
counterpart of this IR source is very dim even on DSS 2 red plate
(r=17.93)(vsnet-campaign-nova 980). R. Shida reported no bright
object is seen in images taken on September 3 (vsnet-campaign-nova
977). This possible nova was visually conformed (7.9-8.0mag) on
September 16 (vsnet-campaign-nova 979, 981, 982, 983).
MCQC_J162847-4152 (RA = 16h28m47s.267, Dec = -41d52'38".6)
In IAUC 7968, Rupen et al. (NRAO) reported that a strong (about
3-mJy) radio transient was detected by VLA on Sept. 9. The nominal
position of this transient agrees closely with the position of a
probable microquaser 1RXS J162848.1-415241 = GSC 7861.1088
(vsnet-campaign-xray 155, vsnet-campaign 1336). The object had been
optically calm until September 1 (vsnet-campaign 1337,
vsnet-campaign-xray 156). B. Monard performed time-series
photometry on September 13 and obtained a light curve without any
modulations (vsnet-campaign-xray 158).
SDSSp J173008.38+624754.7 (RA = 17h30m08s.38, Dec = +62d47'54".7)
A probable superoutburst (13.9mag) was reported by M. Simonsen on
September 10 (vsnet-campaign-dn 2821). The outburst was confirmed
by A. Oksanen at about 13.7mag (vsnet-campaign-dn 2828, 2829).
The superoutburst is still ongoing (vsnet-campaign-dn 2832, 2842, 2852).
4U 1630-47 (RA = 16h34m00s.4, Dec = -47d23'23")
According to ATEL #106 (Wijnands et al.), the black-hole candidate
4U 1630-47 is reported to undergo a new X-ray outburst. The source
was reported to be 0.3-0.4 Crab (2-12 keV) on Sep. 13
(vsnet-campaign-xray 157).
(continuous targets)
V368 Peg (RA = 22h58m43s.5, Dec = +11d09'13")
The object rapidly faded from the outburst (vsnet-campaign-dn
2822, 2823, 2834).
FN Sgr (RA = 18h53m54s.79, Dec = -18d59'40".8)
Observations by K. Haseda show that the most recent fading seems
to have occurred between 2002 Aug. 5 and 9, although several small
fadings have been sporadically detected in the past few years
(vsnet-campaign-symbio 31). The object is still at the faint state
(vsnet-campaign-symbio 32).
SN 2002eq (RA = 21h19m00s.19, Dec = -16d17'12".7)
It is SN Ia, about 20 days after maximum on Sept. 12.17. The
redshift of the host galaxy is estimated as 0.088 (vsnet-campaign-sn 474).
SN 2002ez (RA = 22h00m20s.93, Dec = -14d00'22".5)
It is a SN Ia, about 18 days after maximum on Sept. 12.27,
although it seems inconsistent with the reported observations. The
redshift of the host galaxy is about 0.043 (vsnet-campaign-sn 474).
RX J0558.3+6735 (RA = 05h58m18s.0, Dec = +67d53'45")
T. Kinnunen has pointed out that RXJ0558.3+6753 is undergoing a
long outburst, which is possibly a superoutburst (vsnet-campaign-dn
2848, 2851). T. Vanmunster and A. Oksanen independently reported
that a light curve without large amplitude modulations on September
13/14 (vsnet-campaign-dn 2855, 2856). T. Kato noticed 0.05mag
variation with time scales of 30-60 min (vsnet-campaign-dn 2857).
The long outburst is still ongoing (vsnet-campaign-dn 2858).
IM Nor (RA = 15h39m26s.47, Dec = -52d19'18".2)
Recent observations indicate that IM Nor is now in a plateau
phase. Since eclipses were observed during the plateau stage of U
Sco and CI Aql, the present state of IM Nor would be favorable for
searching for an orbital signature (vsnet-campaign-nova 974).
FT Cam (RA = 03h21m14s.39, Dec = +61d05'25".9)
According to astro-ph/0209172 (Thorstensen and Fenton), FT Cam
(see Kato et al. (2001) IBVS 5082) has shown to be an object below
the period gap (vsnet-campaign-dn 2830).
PU CMa (RA = 06h40m47s.67, Dec = -24d23'14".6)
According to astro-ph/0209172 (Thorstensen and Fenton), PU CMa,
together with the new findings with the VSNET Collaboration team, is
now confirmed to be an SU UMa-type dwarf nova with a short orbital
period (vsnet-campaign-dn 2830).
SN 2002fa (RA = 20h52m21s.78, Dec = +02d08'41".9)
It is of type II. The redshift of the host galaxy is 0.060
(vsnet-campaign-sn 474).
MM Sco (RA = 17h30m45s.68, Dec = -42d11'09".2)
B. Monard took time-series CCD photometry of MM Sco on
Sep. 10-11. The data clearly shows the presence of 0.1 mag humps,
which are most likely superhumps. A preliminary period analysis
suggests that the superhump period is around 0.062 d
(vsnet-campaign-dn 2835). H. Yamaoka examined DSS images and
confirmed the identification of Downes' online chart
(vsnet-campaign-dn 2837). Using observations by B. Monard and
R. Santallo, T. Kato reported a refined superhump period of
0.06136(4) d (vsnet-campaign-dn 2843, 2849). The "secondary
superhumps" appeared on September 12 around phase 0.4
(vsnet-campaign-dn 2849). The superoutburst is ongoing
(vsnet-campaign-dn 2840).
V601 Sco (RA = 17h04m05s.28, Dec = -36d43'34".1)
T. Kato commented about the potential identification problem of
V601 Sco: It is possible that R. Stubbings actually observed the
"true" brightening of V601 Sco. The identification on Downes CV
atlas comes from Vogt and Bateson, who simply selected a "blue"
object near the originally reported position. It is possible that
the true V601 Sco is a red variable, which may be now rising
(vsnet-campaign-dn 2826). H. Yamaoka examined DSS images, and
reported that the star 6" WNW of the suggested V601 Sco in Downes CV
atlas, i.e. the very red star mentioned above, seems to be indeed a
variable (vsnet-campaign-dn 2827).
AB Nor (RA = 15h49m16s, Dec = -43d04'51")
The light curve obtained by P. Nelson on September 11 shows
superhumps with amplitudes of 0.15mag (vsnet-campaign-dn 2838).
T. Kato reported that the entire behavior of superhumps is no longer
expressed by a single period as reported before. Timing analysis
suggests that there has been a large period change, as was seen in
V877 Ara and KK Tel (vsnet-campaign-dn 2844). A rapid fading was
observed on September 12, but superhumps still clearly detected at
that time (vsnet-campaign-dn 2833, 2850). A possible rebrightening
was reported (vsnet-campaign-dn 2854).
AQ Eri (RA = 05h06m12s.99, Dec = -04d08'01".6)
The object has faded from the superoutburst (vsnet-campaign-dn 2845).
KV Dra (RA = 14h50m38.4s, Dec = +64d03m29s)
The object was in superoutburst until September 11, when K. Torii
detect a significant fading (vsnet-campaign-dn 2831, 2839, 2841).
The superhumps are very small or nonexistent in the light curve on
September 11 observed by A. Oksanen (vsnet-campaign-dn 2847).
OQ Car (RA = 09h55m58s.70, Dec = -68d09'41".7)
The object is now in a long outburst at 13.8-14.0 since September 3
(vsnet-campaign-dn 2859).
delta Sco (RA = 16h00m19s.9, Dec = -22d37'17")
S. Otero reported 1.91mag on September 10, and that the object is
fading slowly (vsnet-campaign-be 201).
SN 2002er (RA = 17h11m29s.88, Dec = +07d59'44".8)
H. Yamaoka reported that it seems that estimated extinction would
be larger than real value. If there is no extinction both in the
Milky Way and in the host galaxy, the expected maximum for typical
SN Ia is mag about 14.3 (vsnet-campaign-sn 473).
MisV1147 (RA = 22h54m03s.78, Dec = +58d54'02".1)
The object has recovered from the last fading
(vsnet-campaign-unknown 104).
V1363 Cyg (RA = 20h06m11s.58, Dec = +33d42'37".7)
An outburst to 15.0mag was reported on September 11 by
P. A. Dubovsky (vsnet-campaign-dn 2853).
BF Ara (RA = 17h38m10s.40, Dec = -47d10'43".4)
The outburst still continues (vsnet-campaign-dn 2824).
V803 Cen (RA = 13h23m44.5s, Dec = -41d44'30".1)
The outburst continues (vsnet-campaign-dn 2825).
V838 Mon (RA = 07h04m04s.816, Dec = -03d50'50".94)
D. West performed multi-color imaging and reported that the
central nova was not visible in the V band image and obvious in the
Ic image (vsnet-campaign-v838mon 383).
BL Lac (RA = 22h02m42s.86, Dec = +42d16'37".6)
M. Villata reported that BL Lac is moderately bright since the end
of August: it could be in a pre-outburst phase
(vsnet-campaign-blazar 272). The object became slightly fainter on
September 13-14 (vsnet-campaign-blazar 273, 274).
RR Tau (RA = 05h39m30s.53, Dec = +26d22'26".3)
The object is now active at 11.3-11.7mag (vsnet-campaign-orion 35).
ES Aql (RA = 19h32m21s.58, Dec = -00d11'31".2)
The object again faded to 13.7 mag on September 12 and 13
(vsnet-campaign-rcb 70).
*** Future schedule ***
IAU Colloquium 194
"Compact Binaries in the Galaxy and Beyond"
17-22 November 2003, La Paz, Mexico
Contact Details
Web page: http://bufadora.astrosen.unam.mx/~iau194
Email: iau194@astrosen.unam.mx
[vsnet-campaign-sn 467]
[vsnet-campaign-xray 154]
International Workshop
HIGH RESLUTION X-RAY SPECTROSCOPY with XMM-NEWTON and CHANDRA
24th and 25th October 2002
For more details, visit the workshop website:
http://vsnet.mssl.ucl.ac.uk/~gbr/rgs_workshop/
[vsnet-campaign-xray 152]
International Symposium: The Universe viewed in gamma-rays
--- Univ. Tokyo Workshop 2002 ---
September 25-28, 2002, Kashiwa, Chiba, Japan
http://icrhp9.icrr.u-tokyo.ac.jp/Symp2002.html
[vsnet-campaign-blazar 264]
[vsnet-campaign-blazar 265]
[vsnet-campaign-grb 7]
Texas in Tuscany
XXI Symposium on Relativistic Astrophysics
Florence, Italy, December 9-13, 2002
For more information:
http://vsnet.arcetri.astro.it/~texaflor/
[vsnet-campaign-xray 142]
NEW X-RAY RESULTS FROM CLUSTERS OF GALAXIES AND BLACK HOLES
34th COSPAR Scientific Assembly
10th to 12th October 2002 - Houston, Texas
For more information, visit the session website:
www.mssl.ucl.ac.uk/www_astro/cospar
[vsnet-campaign-xray 124]
[vsnet-campaign-agn 2]
[vsnet-campaign-xray 133]
SUPERNOVAE (10 YEARS OF SN1993J)
22-26 April 2003, Valencia, Spain
Web site: http://vsnet.uv.es/2003supernovae/
[vsnet-campaign-sn 342]
[vsnet-campaign-sn 452]
34TH COSPAR - GRB AFTERGLOW PHYSICS
HOUSTON, TX, USA, 10-19 OCTOBER 2002
Main Scientific Organizer (MSO):
Elena Pian - INAF, Astronomical Observatory of Trieste, Italy -
pian@ts.astro.it
http://vsnet.ts.astro.it/topics/topix.html
[vsnet-campaign-grb 1]
*** General information ***
MM Sco
Light curve of superhumps:
http://vsnet.kusastro.kyoto-u.ac.jp/pub/vsnet/DNe/MM_Sco/mmscosh.gif
VSNET page:
http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/DNe/mmsco.html
[vsnet-campaign-dn 2836]
V838 Mon
Image taken by D. West:
Ic band image: http://hometown.aol.com/dwest61506/page22.html
V band image: http://hometown.aol.com/dwest61506/page21.html
[vsnet-campaign-v838mon 383]
V1494 Aql
Chart presented by D. West:
http://members.aol.com/dwest61506/page23.html
[vsnet-campaign-nova 975]
SDSSp J173008.38+624754.7
Light curve observed by A. Oksanen:
http://nyrola.jklsirius.fi/ccd/2002/data0911/SDSS173020020911.jpg
[vsnet-campaign-dn 2846]
KV Dra
Light curve observed by A. Oksanen:
http://nyrola.jklsirius.fi/ccd/2002/data0911/KVDra20020911.jpg
[vsnet-campaign-dn 2847]
(This summary can be cited.)
Regards,
Makoto Uemura
Return to Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
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