Variable Star Bulletin

          Each issue is available in PDF or GIF format.

No.63 2017 Feb.       PDF

Visual, DSLR and CCD minima of eclipsing binaries during 2016
                Kazuo Nagai

No.62 2016 Feb.       PDF

CCD and DSLR maxima of RR Lyrase stars in 2015
                
Kenji Hirosawa

No.61 2016 Feb.       PDF

Visual, DSLR and CCD minima of eclipsing binaries during 2015
                Kazuo Nagai

No.60 2016 Jan.       PDF

New light elements for four Eclipsing Binaries, CW Ori, OT Lac, CR Per and V610 Cyg
                Kiyoshi Kasai and Kazuo Nagai

No.59 2015 Jan.       PDF

Visual, DSLR and CCD minima of eclipsing binaries during 2014
                Kazuo Nagai

No.58 2015 Jan.       PDF

CCD and DSLR maxima of RR Lyrase stars in 2014
                
Kenji Hirosawa

No.57 2014 Feb.       PDF

CCD and DSLR maxima of RR Lyrase stars in 2013
                
Kenji Hirosawa

No.56 2014 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2013
                Kazuo Nagai

Errata for No.55 (2013 Jul.)       PDF

No.55 2013 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2012
                Kazuo Nagai


No.54 2013 Feb.       PDF

CCD and DSLR maxima of RR Lyrase stars in 2012
                Kenji Hirosawa

No.53 2012 Jan.       PDF

Visual and CCD minima of eclipsing binaries during 2011
                Kazuo Nagai


No.52 2012 Jan.       PDF (Rev. 1.1  2012 Jan. 24. Some duplicated entries were deleted.)

Visual and CCD maxima of RR Lyrase stars in 2003 -2011
                Kenji Hirosawa

No.51 2011 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2010
                Kazuo Nagai


No.50 2010 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2009
                Kazuo Nagai

No.49 2009 Apr.       PDF

Rebrightening Phenomenon in Classical Novae
                Taichi kato, Kazuhiro Nakajima, Hiroyuki Maehara and Seiichiro Kiyota

No.48 2009 Apr.       PDF

Visual and CCD minima of eclipsing binaries during 2008
                Kazuo Nagai

No.47 2008 Oct.       PDF

Visual and CCD minima of eclipsing binaries during 1900-1999
                Kazuo Nagai


Errata for No.44 (2008 Feb.)       html

No.46 2008 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2007
                Kazuo Nagai

Errata for No.39-44 (2007 Feb.)       html

No.45 2007 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2006
                Kazuo Nagai

No.44 2006 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2005
                Kazuo Nagai

No.43 2005 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2004
                Kazuo Nagai

No.42 2004 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2003
                Kazuo Nagai

No.41 2003 Oct.       PDF

First period determination of V1899 Sgr
                 Taichi Kato

UW Aqr is a variable star
                 Taichi Kato

ZZ Aqr is a semiregular variable resembling Z UMa
                 Taichi Kato

No.40 2003 Feb.       PDF

Visual and CCD minima of eclipsing binaries during 2002
                Kazuo Nagai

No.39 2002 Jan.       PDF

Remarkable yellow supergiant variable TmzV429
                Taichi Kato and Kesao Takamizawa

Visual and CCD minima of eclipsing binaries during 2001
                Kazuo Nagai

No.38 2001 Jan.       PDF

The overall lightcurve of the second historical decline of BZ Cam
                Tsutomu Watanabe

Visual and CCD minima of eclipsing binaries during 2000
                Kazuo Nagai

No.37 2000 Mar.       PDF

Detection of the second historical decline of BZ Cam
                Tsutomu Watanabe

Visual and CCD minima of eclipsing binaries during 1999
                Kazuo Nagai

No.35-36 2000 Jan.    PDF

Medium-term variability of FY Per
                Tsutomu Watanabe
                Hiroyuki Maehara

Eclipse period of FN Sgr
                Tsutomu Watanabe

Period revision of ES Del
                 Tsutomu Watanabe

No.34 1999 Sep.       PDF

Outburst of BF Eri
                 Tsutomu Watanabe

Outburst of TmzV34 (= RXJ0915.8+0900)
                 Tsutomu Watanabe

Outburst of Goranskij's variable near GM Sgr
                 Tsutomu Watanabe

Detection of the second historical decline of VY-Scl type variable LQ Peg
                 Tsutomu Watanabe

No.33 1999 Apr.        PDF

Visual and CCD minima of eclipsing binaries during 1998
                 Kazuo Nagai

Detection of an Eclipse during the 1987 Outburst of U Sco
                 Taichi Kato

No.32 1998 Oct.        PDF

Outburst of RX J0575.0+6306
                 Tsutomu Watanabe

Light Curve of SBS1017+533
                 Tsutomu Watanabe

No.30-31 1998 Aug.     PDF

Outburst of Possible Eclipsing Symbiotic Variable AS 289
                 Kesao Takamizawa
                 Minoru Wakuda
                 Taichi Kato

22 new variable stars discoverd from patrol films (new variable stars series III)
                 Kesao Takamizawa
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No.28-29 1998 Apr.      PDF fig.1(GIF)

12 new variable stars discoverd from patrol films (new variable stars series II)
                 Kesao Takamizawa

Visual and CCD minima of eclipsing binaries during 1997
                 Kazuo Nagai

No.26-27 1997 Dec.      GIF p.1 p.2 p.3 p.4 p.5 p.6 p.7 p.8

9 NEW VARIABLE STARS DISCOVERED FROM PATROL FILMS
                 Kesao Takamizawa

No.25 1997 Dec.         PDF

Least-Squares Strategy for Analyzing Pogson's Step Method
                 Taichi Kato

Reanalysis of Photographic Observations of CY UMa in 1988
                 Taichi Kato

Prediscovery Photographic Observation of V4334 Sgr (Sakurai's Object)
                 Kesao Takamizawa

No.24 1997 Dec.          PDF

Resumption of Pulsation of RU Cam around 1970: Evidence from the VSOLJ Database
                 Minoru Sato

Reanalysis of Ichinohe's Observations of RU Cam
                 Taichi Kato

No.23 1997 Oct.           PDF

Visual and CCD minima of eclipsing binaries during 1995-96

No.22 1996 Sep.          PDF

CCD Observation of nova Sgr 1994 no.2
                 Seiichiro Kiyota


CCD Observation of nova Aql 1995
                 Seiichiro Kiyota


CCD Observations of symbiotic nova discovered by M. Wakuda during 1994-1995
                 Seiichiro Kiyota

No.21 1995 Dec.          GIF p.1 p.2 p.3 p.4

Possible new MIRA type variable in Sagittarius
                Keiichiro Minoda

Reviced orbital period of IP Peg and possible existence of superhump-like periodicity during outbursts
                T. Kato, M. Iida, S. fujino, M. Yamada, N. makiguchi, K. hirosawa, M. Ishii

No.20 1995 Aug.          GIF p.1 p.2 p.3 p.4

No.19 1994 Oct.          GIF p.1 p.2 p.3 p.4

No.18 1993 May           GIF p.1 p.2 p.3 p.4

No.17 1993 May           GIF p.1 p.2 p.3 p.4

No.16 1993 May           GIF p.1 p.2 p.3 p.4

No.15 1992 Apr.          GIF p.1 p.2 p.3 p.4

No.14 1992 Apr.          GIF p.1 p.2 p.3 p.4

No.13 1991 May           GIF p.1 p.2 p.3 p.4

No.12 1990 Jul.          GIF p.1 p.2 p.3 p.4

No.11 1990 Jun.          GIF p.1 p.2 p.3 p.4

No.10 1989 Jun.          GIF p.1 p.2 p.3 p.4

No.9  1989 Apr.          GIF p.1 p.2 p.3 p.4

No.8  1988 Nov.          GIF p.1 p.2 p.3 p.4

No.7  1988 Aug.          GIF p.1 p.2 p.3 p.4

No.6  1988 Apr.          GIF p.1 p.2 p.3 p.4

No.5  1988 Feb.          GIF p.1 p.2 p.3 p.4

No.4  1987 Dec.          GIF p.1 p.2 p.3 p.4

No.3  1987 Oct.          GIF p.1 p.2 p.3 p.4

No.2  1987 Aug.          GIF p.1 p.2 p.3 p.4

No.1  1987 Jun.          GIF p.1 p.2 p.3 p.4


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