劍魚座

劍魚座（Dorado，西班牙語的鬼頭刀魚）是一個南天星座。

歷史
劍魚座是荷蘭航海家彼得·德克·凱澤和弗雷德里克·德·豪特曼於1595至1597年間所命名的12個星座之一，於1603年被收錄於約翰·拜耳的《測天圖》內。象徵海洋生物劍魚。

銀河系的伴星系大麥哲倫雲的大部份位於劍魚座天區內，其餘部份則在山案座天區內。除此以外，南黃極（請參看黃道座標系統）亦是處於劍魚座之內。

恒星
巴耶恆星命名法中的恆星
弗蘭斯蒂德恆星命名法中的恆星
其他著名恆星

劍魚座S 9.721 – 大麥哲倫雲中一顆光變極不規則的高光度特超巨星，劍魚座S型變星之原型。
SN 1987A – 1987年發現，為刻卜勒超新星後四百年來最亮的一次超新星爆发。
劍魚座R 5.73 – 蒭藁增二型長週期變星，直徑達二億五千萬公里，體積達太陽370陪，若放在太陽系中心則足以覆蓋至火星軌道，為人類發現體積最大的恒星之一。[http://simbad.u-strasbg.fr/cgi-bin/cdsbib?1997MNRAS.286..957B]

深空天體
是一個中間螺旋星系。]]

因為劍魚座天區包含一部分的大麥哲倫雲，所以此天區的深空天體也較為豐富。以下所有天球座標都跟隨J2000.0曆元為準。

NGC 1566（RA 04h 20m 00s Dec -56° 56.3′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1566&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]是一個面向我們的螺旋星系。NGC 1566星系群的名稱從此而來。
NGC 1755（RA 04h 55m 13s Dec -68° 12.2′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1755&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一個球狀星團。
NGC 1763（RA 04h 56m 49s Dec -68° 24.5′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1763&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一個光亮的星雲，有3顆B型星在其中。
NGC 1820（RA 05h 04m 02s Dec -67° 15.9′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1820&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一個疏散星團。
NGC 1850（RA 05h 08m 44s Dec -68° 45.7′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1850&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一球狀星團。
NGC 1854（RA 05h 09m 19s Dec -68° 50.8′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1854&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一球狀星團。
NGC 1869（RA 05h 13m 56s Dec -67° 22.8′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1869&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一疏散星團
NGC 1901（RA 05h 18m 15s Dec -68° 26.2′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1901&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一疏散星團。
NGC 1910（RA 05h 18m 43s Dec -69° 13.9′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1910&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一疏散星團。
NGC 1936（RA 05h 22m 14s Dec -67° 58.7′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1936&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一個光亮星雲，附近有其他3個NGC天體：NGC 1929, NGC 1934及NGC 1935。
NGC 1978（RA 05h 28m 36s Dec -66° 14.0′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+1978&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一疏散星團。
NGC 2002（RA 05h 30m 17s Dec -66° 53.1′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+2002&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一疏散星團。
NGC 2027（RA 05h 35m 00s Dec -66° 55.0′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+2027&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一疏散星團。
NGC 2032（RA 05h 35m 21s Dec -67° 34.1′）（Seagull Nebula）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+2032&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]是一個複合星雲，包含四個NGC天體：NGC 2029, NGC 2032, NGC 2035及NGC 2040.
NGC 2070（RA 05h 38m 37s Dec -69° 05.7′）一般稱為"蜘蛛星雲"。

*NGC 2080又稱“鬼頭星雲”，是大麥哲倫星雲中寬50光年的發射星雲。NGC 2080因擁有兩個不同的白色斑塊而得名，這兩個白色斑塊是近期恆星形成的區域。西部因雙電離氧而呈綠色，南部因氫α發射而呈紅色，中心區域因氧和氫同時發射而呈黃色。西部白色斑塊A1內部有一顆最近形成的巨大恆星，東部區域A2的塵埃中隱藏著幾顆恆星。

NGC 2164（RA 05h 58m 53s Dec -68° 30.9′）[http://skyview.gsfc.nasa.gov/cgi-bin/nnskcall.pl?Interface=bform&VCOORD=ngc+2164&NWINDOW=on&SURVEY=Digitized+Sky+Survey&SCOORD=Equatorial&EQUINX=2000&MAPROJ=Gnomonic&SFACTR=Default&ISCALN=Log%2810%29&GRIDDD=No&COLTAB=B-W+Linear Skyview image]一球狀星團。

參考資料
參考文獻

The above deep sky objects appear in Norton's Star Atlas, 1973 edition.
Co-ordinates are obtained from [https://web.archive.org/web/19991012062904/http://www.fortunecity.com/roswell/borley/49/chartidx.htm Uranometria Chart Index] and [http://skyview.gsfc.nasa.gov/cgi-bin/titlepage.pl Skyview].
Images of the deep sky objects described herein may be viewed at [http://skyview.gsfc.nasa.gov/cgi-bin/titlepage.pl Skyview].

外部链接

[https://web.archive.org/web/20050723082905/http://www.astronomical.org/portal/modules/wfsection/article.php?articleid=33 Peoria Astronomical Society - Dorado]

评论 (0)