Outstanding Activity of Japanese Amateur Astronomer Hitoshi Yamaoka
- Slides: 10
Outstanding Activity of Japanese Amateur Astronomer Hitoshi Yamaoka 山岡 均 （Kyushu University） yamaoka@rc. kyushu-u. ac. jp 2007. 14 at HOU 2007(NAOJ/Mitaka)
Activity in first half of 20 th century n Meiji era (-1912), Taisho era (-1926) Sunspots, variable stars, … ASJ (Astronomical Society of Japan: 1908) OAA (Oriental Astronomical Association: 1920) n 1936: The year of the First Discoveries (3 objects!) C/1936 O 1 (Kaho-Kozik-Lis) CP Lac (Gomi) V 630 Sgr (Okabayashi)
Minoru Honda: The Great (1913 – 1990) n 12 Comet discovery n … n n C/1940 S 1 (Okabayashi-Honda) C/1968 Q 1 (Honda) 11 Nova (& peculiar variable) n … n FH Ser (Nova Ser 1970) V 827 Her (Nova Her 1987) http: //www 8. plala. or. jp/seijin/
Veterans vs Newbies n K. Ikeya C/1963 A 1 (Ikeya) n C/1965 S 1 (Ikeya-Seki) n 153 P/2002 C 1 (Ikeya-Zhang) n n M. Suzuki n C/2002 O 6 (SWAN)
Numbers of discovered objects 59
Nova discoveries: Kingdom Japan n n 1998 – 2005 discoverers 45 people (total) 29 in northern hemisphere 25 is Japanese! -- 1998. 7 -1999. 6 N Sgr 1998 Takamizawa N Sco 1998 Liller (Chile) N Mus 1998 Liller (Chile) V 4444 Sgr Yamamoto V 382 Vel Williams (Australia) -- 1999. 7 -2000. 6 V 1493 Aql Tago DD Cir Liller (Chile) V 1494 Aql Pereira (Portogal) V 4642 Sgr Sakurai V 463 Sct Haseda (CI Aql Takamizawa, Yamamoto) -- 2000. 7 -2001. 6 V 455 Pup Kanatsu V 4643 Sgr Liller (Chile) V 1548 Aql Collins (England) V 1178 Sco Haseda -- 2001. 7 -2002. 6 V 2274 Cyg Nakamura V 2275 Cyg Tago Hatayama V 4739 Sgr Pereira (Portogal) V 709 Cep MISAO V 4740 Sgr Pereira (Portogal) Liller (Chile) V 1039 Cen Liller (Chile) V 2540 Oph Haseda Nakamura V 4741 Sgr Liller (Chile) -- 2002. 7 -2003. 6 V 4742 Sgr Liller (Chile) V 4743 Sgr Haseda V 4744 Sgr Tabur (Australia) V 4745 Sgr Brown (Australia) Yamamoto -- 2003. 7 -2004. 6 V 2573 Oph Takao Tabur (Australia) V 475 Sct Nishimura V 5113 Sgr Brown (Australia) DE Cir Liller (Chile) V 5114 Sgr Nishimura Nakamura Liller (Chile) V 2574 Oph Takao Nakamura -- 2004. 7 V 1186 Sco ASAS-III (Chile) V 1187 Sco Takao V 574 Pup Tago Sakurai V 2361 Cyg Nishimura
Supernovae: advanced recently SN 2002 ap: Win-Win collaboration n discovery： 1/29. 398 (Y. Hirose) n confirm: 30. 382 (R. Kushida) n announcement: 30. 80 (IAUC 7810) n spectroscopy: 31. 4 (Gunma/Bisei) 30. 9 (ESO WHT), 31 (Wise)
SN 2006 jc: another win-win K. Itagaki ASJ Discovery Award
Activity other than discovery n n n Active observation for a long period Detection & quick reporting of transient objects New Award: the ASJ Award for the Outstanding Achivement by Amateur
