outstanding activity of japanese amateur astronomer
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Outstanding Activity of Japanese Amateur Astronomer. Hitoshi Yamaoka 山岡 均 ( Kyushu University ) [email protected] 2007. 07. 14 at HOU2007(NAOJ/Mitaka). Activity in first half of 20 th century. Meiji era (-1912), Taisho era (-1926) Sunspots, variable stars, … - PowerPoint PPT PresentationTRANSCRIPT
Outstanding Activity of Outstanding Activity of Japanese Amateur AstronomerJapanese Amateur Astronomer
Hitoshi YamaokaHitoshi Yamaoka山岡 均山岡 均
(( Kyushu UniversityKyushu University ))[email protected]@rc.kyushu-u.ac.jp
2007. 07. 14 at 2007. 07. 14 at HOU2007(NAOJ/Mitaka)HOU2007(NAOJ/Mitaka)
Activity in first half of 20Activity in first half of 20thth century century Meiji era (-1912), Taisho era (-1926)Meiji era (-1912), Taisho era (-1926)
Sunspots, variable stars, …Sunspots, variable stars, …
ASJ (Astronomical Society of Japan: 1908)ASJ (Astronomical Society of Japan: 1908)
OAA (Oriental Astronomical Association: 1920)OAA (Oriental Astronomical Association: 1920)
1936: The year of the First Discoveries (3 1936: The year of the First Discoveries (3
objects!)objects!)
C/1936 O1 (Kaho-Kozik-Lis)C/1936 O1 (Kaho-Kozik-Lis)
CP Lac (Gomi)CP Lac (Gomi)
V630 Sgr (Okabayashi)V630 Sgr (Okabayashi)
Minoru Honda: The GreatMinoru Honda: The Great
12 Comet discovery12 Comet discovery C/1940 S1 (Okabayashi-Honda)C/1940 S1 (Okabayashi-Honda)…… C/1968 Q1 (Honda)C/1968 Q1 (Honda)
11 Nova (& peculiar variable) 11 Nova (& peculiar variable) FH Ser (Nova Ser 1970)FH Ser (Nova Ser 1970)…… V827 Her (Nova Her 1987)V827 Her (Nova Her 1987)
http://www8.plala.or.jp/seijin/http://www8.plala.or.jp/seijin/
(1913 – 1990)
Veterans vs NewbiesVeterans vs Newbies
K. Ikeya K. Ikeya C/1963 A1 (Ikeya)C/1963 A1 (Ikeya) C/1965 S1 (Ikeya-Seki)C/1965 S1 (Ikeya-Seki) 153P/2002 C1 (Ikeya-Zhang)153P/2002 C1 (Ikeya-Zhang)
M. Suzuki M. Suzuki C/2002 O6 (SWAN)C/2002 O6 (SWAN)
Numbers of discovered objects
0
5
10
15
20
25
30
35
40
1935-44
1945-54
1955-64
1965-74
1975-84
1985-94
1995-06
cometnovaSN
59
Nova discoveries: Kingdom JapanNova discoveries: Kingdom Japan
1998 – 2005 1998 – 2005 discoverersdiscoverers
45 people 45 people (total)(total)
29 in northern 29 in northern hemispherehemisphere
25 is Japanese!25 is Japanese!
-- 1998.7-1999.6N Sgr 1998 TakamizawaN Sco 1998 Liller (Chile)N Mus 1998 Liller (Chile)V4444 Sgr YamamotoV382 Vel Williams (Australia)-- 1999.7-2000.6V1493 Aql TagoDD Cir Liller (Chile)V1494 Aql Pereira (Portogal)V4642 Sgr SakuraiV463 Sct Haseda(CI Aql Takamizawa, Yamamoto)-- 2000.7-2001.6V455 Pup KanatsuV4643 Sgr Liller (Chile)V1548 Aql Collins (England)V1178 Sco Haseda-- 2001.7-2002.6V2274 Cyg NakamuraV2275 Cyg Tago HatayamaV4739 Sgr Pereira (Portogal)V709 Cep MISAOV4740 Sgr Pereira (Portogal) Liller (Chile)V1039 Cen Liller (Chile)V2540 Oph Haseda NakamuraV4741 Sgr Liller (Chile)
-- 2002.7-2003.6V4742 Sgr Liller (Chile)V4743 Sgr HasedaV4744 Sgr Tabur (Australia)V4745 Sgr Brown (Australia) Yamamoto-- 2003.7-2004.6V2573 Oph Takao Tabur (Australia)V475 Sct NishimuraV5113 Sgr Brown (Australia)DE Cir Liller (Chile)V5114 Sgr Nishimura Nakamura Liller (Chile)V2574 Oph Takao Nakamura-- 2004.7-V1186 Sco ASAS-III (Chile)V1187 Sco TakaoV574 Pup Tago SakuraiV2361 Cyg Nishimura
Supernovae: advanced recentlySupernovae: advanced recently
SN 2002ap: Win-Win collaborationSN 2002ap: Win-Win collaboration discoverydiscovery :: 1/29.398 (Y. Hirose)1/29.398 (Y. Hirose) confirm:confirm: 30.382 (R. 30.382 (R.
Kushida)Kushida) announcement:30.80 announcement:30.80 (IAUC 7810)(IAUC 7810) spectroscopy:spectroscopy: 31.4 (Gunma/Bisei)31.4 (Gunma/Bisei)
30.9 (ESO WHT), 30.9 (ESO WHT),
31 (Wise)31 (Wise)
SN 2006jc: another win-winSN 2006jc: another win-win
K. Itagaki
ASJ Discovery Award
Activity other than discoveryActivity other than discovery
Active observation for a long periodActive observation for a long period Detection & quick reporting of Detection & quick reporting of
transient objectstransient objects New Award: the ASJ Award for the New Award: the ASJ Award for the
Outstanding Achivement by Amateur Outstanding Achivement by Amateur