published papers
IBVS5735
IV Cassiopeiae: a Probable Photometric Triple Star
Wolf,M; Zejda,M; Kiyota,S; Maehara,H; Nagai,K; Nakajima,K
22 November 2006
IBVS5735
IBVS5700
Reports on New Discoveries
No.47
Nakajima Kazuhiro, Nagai Kazuo
15 September 2005
IBVS5700
IBVS4502
PHOTOMETRIC OBSERVATIONS OF THE PRIMARY MINIMUMOF THE ACTIVE ALGOL BINARY RZ CASSIOPEIAE
Shin-ya NARUSAWA, Kikuichi ARAI, Kazuo NAGAI, Shigeo OHMORI, Mitsugu FUJII, Takeshi YASUDA
31 July 1997
IBVS4502
IBVS4937
New Times of Minima and Revised Ephemeris of BC Eridani
Nagai, Kazuo, Kiyota, Seiichiro
10 August 2000
IBVS4937
IBVS4948
The Orbital Period Changes of YY Eri
Karube, T.; Murayama, N.; Morita, A.; Nagai, K.; Kiyota, S., Tsukui, A.; Ideguchi, K.; Okazaki, A.
5 September 2000
IBVS4948
Variable Star Bulletin, No.48
Visual and CCD minima of eclipsing binaries during 2008
Kazuo Nagai
2009 Apr.
No.48
Variable Star Bulletin, No.47
Visual and CCD minima of eclipsing binaries during 1900-1999
Kazuo Nagai
2008 Oct.
No.47
Variable Star Bulletin, No.46
Visual and CCD minima of eclipsing binaries during 2007
Kazuo Nagai
2007 Feb.
No.46
Variable Star Bulletin, No.45
Visual and CCD minima of eclipsing binaries during 2006
Kazuo Nagai
2006 Feb.
No.45
Variable Star Bulletin, No.44
Visual and CCD minima of eclipsing binaries during 2005
Kazuo Nagai
2006 Feb.
No.44
Variable Star Bulletin, No.43
Visual and CCD minima of eclipsing binaries during 2004
Kazuo Nagai
2005 Feb.
No.43
Variable Star Bulletin, No.42
Visual and CCD minima of eclipsing binaries during 2003
Kazuo Nagai
2004 Feb.
No.42
Variable Star Bulletin, No.40
Visual and CCD minima of eclipsing binaries during 2002
Kazuo Nagai
2003 Feb.
No.40
Variable Star Bulletin, No.39
Visual and CCD minima of eclipsing binaries during 2001
Kazuo Nagai
2002 Jan.
No.39
Variable Star Bulletin, No.38
Visual and CCD minima of eclipsing binaries during 2000
Kazuo Nagai
2001 Jan.
No.38
Variable Star Bulletin, No.37
Visual and CCD minima of eclipsing binaries during 1999
Kazuo Nagai
2000 Mar.
No.37
Variable Star Bulletin, No.33
Visual and CCD minima of eclipsing binaries during 1998
Kazuo Nagai
1999 Apr.
No.33
Variable Star Bulletin, No.28-29
Visual and CCD minima of eclipsing binaries during 1997
Kazuo Nagai
1998 Apr.
No.28-29
Variable Star Bulletin, No.23
Visual and CCD minima of eclipsing binaries during 1995-96
1997 Oct.
No.23