Scientific Activities of VSNET
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General
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* Light curves from VSNET reports (updated on 1999 Jul. 30)
* List of Takamizawa variables
* Ricerca (LX-200 automatic control program by S. Massaro) new version!
* Ricerca 3.35e + Center (LX-200 automatic control program by S. Massaro) new version!
* Ricerca 3.35g (LX-200 automatic control program by S. Massaro) new version!
* NSV individual variable page!
* VSOLJ database updated
* Hipparcos stars designated in NSV Supplment 1.0
Gamma-ray bursts
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* GRB 990123
Supernovae
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* On supernova suspect in NGC 7013
* SN 1998dk
* SN 1998dl
* SN 1998dm (updated)
* SN 1998dq
* SN 1998dt
* Suspect query in NGC 6239
* SN 1998es
* SN 1998ew
* SN 1998ey
* SN1998fa images by Luiz
* SN 1999aa
* CCD image of SN 1999aa (Sano)
* CCD image of SN 1999ab (Sano)
* SN 1999ac
* SN 1999bg and 1999bh
* SN1999bg image by Sano
* SN1999br image by Sano
* Possible SN in NGC 3198 images by Sano
* SN 1999by
* SN 1999cl
* SN 1999cp
Novae
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* Nova Sco 1998
* Nova Mus 1998
* Outburst of GK Per
* Outburst of U Sco
* U Sco 1987 paper
* Nova Sgr 1999 = V4444 Sgr
* Nova Vel 1999 = V382 Vel
Dwarf novae
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* RY Ser outburst images (Vanmunster)
* RY Ser V-band image (Henden)
* Extremely rare outburst of V592 Her
81-m period by spectroscopy
Emergence of superhumps?
* RY Ser sequence (Henden)
* V1089 Sgr sequence (Henden)
* AT Cnc paper (Nogami et al.)
* ER UMa stars (Kato et al., presented at the Disk Instability Workshop in Kyoto 1998)
* Outburst of V844 Her
* V844 Her information [main page]
* Rare outburst of HT Cas (1999 July)
* Superoutburst of V2051 Oph! (1999 July)
* BF Eri paper
* CI Gem paper
* CG CMa paper
* V893 Sco paper (Matsumoto et al.)
Uncertain
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* New object? in And
Programs
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* Prediction of maxima/minima (for DOS) by Masi
General ------- * Light curves from VSNET reports (updated on 1998 July 23) * Barycenter ephemeris * Java chart viewer update (ChtView3.tar.gz) * 6th Southern Photometry Conference * Warner Symposium 1999 * Gumna Astronomical Observatory Workshop Supernovae ---------- * SN1998dh * SN1998dh images * SN1998dj Novae ----- * Rapid fading of Nova Oph 1998 * Apparent (bright) nova in M31 Dwarf novae ----------- * New helium dwarf nova SN1998di * SBS 1017+533 preprint (Watanabe, VSOLJ Bulletin in press) Intermediate polars ------------------- * Rare outburst of EX Hya
General ------- * Light curves from VSNET reports (updated on 1998 June 28) Supernovae ---------- * SN1998co CCD image (courtesy by W. P. Johnson) Novae ----- * Nova Oph 1998, charts, GIF image Dwarf novae ----------- * V2323 Sgr revealed!? * SS UMi preprint * CR Boo preprint * EG Cnc preprint (Matsumoto et al.) to appear in PASJ * EG Cnc preprint (Matsumoto et al.) on the orbital period X-ray transients ---------------- * XTE J2123-058
General ------- * Light curves from VSNET reports (updated on 1998 June 3) * VSOLJ database update (1998 April verision) * VSNET CV Circular's page updated Novae ----- * Nova Sgr 1998 (Henden's V sequence included) Dwarf novae ----------- * V2051 Oph, CCD light curve by Jensen, chart updated * Outburst of V2323 Sgr Symbiotic stars --------------- * Outburst of the possible eclipsing symbiotic variable AS 289 X-ray transients ---------------- * CI Cam
General ------- * Light curves from VSNET reports (updated on 1998 May 11) * ChtView for Java 1.2 (Swing) * Disk instability workshop in Kyoto Supernovae ---------- * SNe maximum magnitude calculator * SN 1998bm * SN 1998bn * SN 1998bp * SN 1998bu * SNe maximum magnitude calculator for flat universe * Variable star near NGC 4013 Dwarf novae ----------- * First ever observed outburst of LY Hya * Possible superoutburst of V2051 Oph
General ------- * Light curves from VSNET reports (updated on 1998 Apr. 15) * Hipparcos new variable stars with GCVS designations * Index to variable stars updated * VSOLJ database update (up to 1998 Feb.) * vsnet-obs archive divided * Interactive light curve viewer on Java (VSNET reports) * Interactive light curve viewer on Java (VSOLJ reports) * LX-200 Automatic Control Program "Ricerca" by S. Massaro (demo version, new version 3.35d!) * ChtView (Java 1.1) for viewing VSNET charts Supernovae ---------- * SN 1997ei * SN 1997ef * SN 1998S * SN 1998T * SN 1998ab * SN 1998aq Novae ----- * Nova Sgr 1998 Dwarf novae ----------- * Rediscovery of V893 Sco (IBVS in press) X-ray Transients ---------------- * Bright X-ray Transient, XTE J0421+560
General ------- * Light curves from VSNET reports (updated on 1997 Nov. 24) * LX-200 Automatic Control Program "Ricerca" by S. Massaro (demo version, new version 3.35b!) * DBVS2000 update (for VSOLJ observers) Dwarf novae ----------- * NY Ser (PG 1510+234) preprint (Nogami et al.) * SW UMa preprint (Nogami et al.) * V1504 Cyg preprint (Nogami and Masuda) Pulsating variables ------------------- * Reanalysis of Ichinohe's observations of RU Cam (Kato and Sakuma)
General
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* Light curves from VSNET reports (updated on 1997 Oct. 19)
* GSCV online (in Japanese)
* DBVS2000 (for VSOLJ observers)
* VSSPlot 2 beta (Farrell)
* VSOLJ database online updated!
[Instruction to usage]
* LX-200 Automatic Control Program "Ricerca" by S. Massaro (demo version)
* GIF charts with H/T magnitudes
Dwarf novae
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* EG Cnc paper I (Matsumoto et al.)
* EG Cnc paper II (Kato et al.)
* T Leo paper (Kato, PASJ preprint)
* USNO 1425.09823278 (light curve updated)
General
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* Index to individual variable stars
(links to charts based on Hipparcos & Tycho provided)
* Light curves from VSNET reports (updated on 1997 Sep. 4)
* VSNET quiz, new
* GIF chart based on Hipparcos and Tycho catalogues
* VSOLJ database online!
[Instruction to usage]
* VSOLJ database, full text data (in JST)
Novae
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* Nova Sco 1997
* Fading of Nova Her 1991 = V838 Her
* Nova Sco 1997, VSNET chart
* Nova Cyg 1992 five years after outburst
* Nova Cyg 1992 (V1974 Cyg) campaign (Retter)
Dwarf novae
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* Rare outburst of V1028 Cyg (May 17)
* V1028 Cyg preprint (Baba et al.)
* Superoutburst of V844 Her = Var43 Her
(updated on July 1)
* Superoutburst of V485 Cen, updated
* Outburst CCD image of CP Dra
* Possible outburst of RY Ser (Aug. 2)
* New SU UMa-type dwarf nova USNO 1425.09823278
Symbiotic stars
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* Outburst of Z And
R CrB-stars
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* Z UMi page, updated
BL Lac objects
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* Large outburst of BL Lac
* Outburst CCD image of BL Lac
X-ray transients
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* New X-ray transient XTE J1755-324
Pulsating variables
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* HIP1627 (Farrell)
General ------- * Light curves from VSNET reports (updated on 1997 May 18) * Points on individual variable stars (text in Japanese) Dwarf novae ----------- * Eclipse animation of DV UMa * Eclipse animation of IP Peg * Superoutburst of Var21 CrB - New SU UMa star! * Rare outburst of V1830 Sgr * Superoutburst of V485 Cen Tools and programs ------------------ * LANCELOT: Period finding and spectrum estimation by neural network (Gaspani) Minor planets ------------- * Earth-crossing minor planet 1996 JA1: animation of CCD images
General
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* Light curves from VSNET reports (updated on 1997 May 5)
* VSNET CV Circulars archive update
* VSNET HTML mail archive updated
* VSNET HTML mail archive (for 1994)
* Brian Skiff's sequences compilations
* VSOLJ annual meeting in Kyoto
[in Japanese]
* Sky of Ouda
Dwarf novae
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* Rare outburst of S10932 (Apr. 23)
* Superoutburst of CY UMa (Apr. 30)
* Superoutburst of DH Aql (May 3)
Polars
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* Possible fading of AM Her
Cataclysmic variables
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* V803 Cen update (CBA)
Pre-main sequence stars
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* Optical outburst of CB34V
General ------- * Light curves from VSNET reports (updated on 1997 Apr. 15) * From the history of VSNET ... Dwarf novae ----------- * Superoutburst of SX LMi (Apr. 6) * Outburst of V795 Cyg (Apr. 7) * Rare outburst of the eclipsing dwarf nova DV UMa * DV UMa page updated * Superhumps in DV UMa * Supercycle of V1113 Cyg Cataclysmic variables --------------------- * Multi-longitude photometric campaign on CVs Protostars ---------- * V1118 Ori in quiescence and outburst OVV-QSO and BL Lac objects -------------------------- * Call for visual and CCD observations of Markarian 501 Miscellaneous ------------- * Study of variable stars using small telescopes (in Japanese, by T. Kato) * Ouda Station user's page (in Japanese) * Birds seen or heard at Ouda Station (Mar. 28 - Apr. 2) * Ouda scene (photographic library by Y. Tomita)
General ------- * Light curves from VSNET reports (updated on 1997 Mar. 26) * Variable star conference in Brno Supernovae ---------- * Peculiar Seyfert-1-like supernova SN 1997ab Novae ----- * Dramatic change in the spectrum of Sakurai's object Dwarf novae ----------- * DW Cnc and others (vsnet-chat) * Rare superoutburst of OY Car (Mar. 25) * Possible outburst of AQ CMi (Mar. 28) * Outburst of V1060 Cyg (Mar. 27) * Outburst image of AH Eri (Mar. 1) R CrB-type variables -------------------- * Recovery of SU Tau X-ray transients ---------------- * X-ray re-brightening of GRO J0422+32 = V518 Per Pulsating variables ------------------- * New variable star in M27 (Ondra) * Variable stars in the globular cluster M5 * Variable star V11 in the globular cluster M2 ALEXIS transients ----------------- * ALEXIS transient on Mar. 21 * ALEXIS transient on Mar. 23
General ------- * Upgade of GAMA's Home Page (Novak) * Period analysis of variable stars (vsnet-chat log) * Light curves from VSNET reports (updated on 1997 Mar. 12) Dwarf novae ----------- * Rare outburst of RU LMi (Mar. 8) * T Leo satellite campaign (Howell) Nova-like variables ------------------- * Fading of V751 Cyg Symbiotic stars --------------- * Draco C-1 Pulsating variables ------------------- * AF Sco and AC Sco X-ray binaries -------------- * On optical behavior of Cyg X-1 (vsnet-chat log) Supersoft X-ray sources ----------------------- * Supersoft sources as SNe Ia progenitors (vsnet-chat log) ALEXIS transients ----------------- * Possible ALEXIS transient on Mar. 4 * Possible ALEXIS transient on Mar. 6 * Possible ALEXIS transient on Mar. 9
General
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* Light curves from VSNET reports (updated on 1997 Mar. 2
* Automatic CCD photometry tool for ST-7
Dwarf novae
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* Re-brightening of T Leo!
The 1993 superoutburst of T Leo (CCD images)
* ER UMa: superoutburst overdue
* Outburst of Z Cha
* Nova Sgr 1990
* V3941 Sgr (vsnet-chat discussion and CCD images)
* Rare outburst of HT Cas
* Superoutburst of DM Lyr
Symbiotic variables
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* Help for archival photos of QW Sge = AS 360 (Munari)
Pre-main sequence stars
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* Outburst of V1118 Ori
ALEXIS transients
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* ALEXIS transient on 1997 Feb. 23
* ALEXIS transient on 1997 Feb. 25
General ------- * Light curves from VSNET reports (updated on 1997 Feb. 19 Dwarf Novae ----------- * RX And: low activity again? * New ROSAT CV: RX J2353.0-3852 * Outburst of U Gem * ALEXIS observation of U Gem (updated) * EM Cyg entering a standstill? * Rare outburst of T Leo (Feb. 19) * EUVE and XTE observations of T Leo * EG Cnc - first one? (update!) * Outburst cycle of WX Hyi (from vsnet-chat) Nova-like variable stars ------------------------ * Brightening of MV Lyr Eclipsing binaries ------------------ * Eclipsing binary ephemeris (from vsnet-chat log) ALEXIS transients ----------------- * ALEXIS transient on 1997 Feb. 19
General ------- * Light curves from VSNET reports (updated on 1997 Feb. 16 * USNO A1.0 catalog on-line! * Odessa Variable Star COnference Dwarf novae ----------- * EG Cnc - first one? * Rare outburst of GO Com * Outburst of BV Cen (update on Feb. 17) * ER UMa has changed its outburst property? * Superoutburst of V436 Cen R CrB stars ----------- * Call for monitoring DY Per * Fading of RZ Nor
Back items (up to 1997 Jan.)
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