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Historical Supernova Boneyard
Welcome to the Boneyard. On this page you will find entries for objects that have been confirmed as Cataclysmic variables, asteriods (otherwise known as Vermin of the sky), or some other non extragalactic event. Why keep them around? Because you never know when something like this will come back to life... AA17666-11 sites several supernova mistakes from this period.
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1998di (= KL Dra),
IAUC 6982
discovered 1998/08/02 by
Mike Schwartz
Found in MCG +10-27-12 NED01 at R.A. = 19h24m38s.19, Decl. = +59°41'46".7 Located 0".6 east and 3".8 north of the nucleus of MCG +10-27-12 NED01 (Discovery image (local mirror)) (VSnet 98di web page) Mag 16.8, Type CV NOTE: This has now been confirmed to be not a supernova, but a cataclysmic variable (dwarf nova) of the CR Boo class. This is a galactic object. (CfA Spectrum) (References: IAUC 6983, 7382) |
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1992X,
IAUC 5517
discovered 1992/04/28.000 by
Jean Mueller
Found in MCG +6-32-24 at R.A. = 14h24m15s.10, Decl. = +35°08'27".0 Located 2" west and 7" south of the center of MCG +6-32-24 Mag 18.0:4/28, Type * |
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1992W,
IAUC 5517
discovered 1992/04/28.000 by
Jean Mueller
Found in MCG +8-23-96 at R.A. = 12h50m23s.00, Decl. = +48°05'26".0 Located 24" west and 32" north of the center of MCG +8-23-96 Mag 18.0:4/28, Type * |
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1991ap,
IAUC 5327
discovered 1991/08/16.100 by
Christian Pollas
Found in an anonymous galaxy at R.A. = 00h18m23s.80, Decl. = +32°00'37".0 Located 0" east and 0" north of the center of the host galaxy Mag 19.0:8/16, Type QSO |
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1990C,
IAUC 4950
discovered 1990/01/20.970 by
Christian Pollas
Found in an anonymous galaxy at R.A. = 08h04m23s.90, Decl. = +22°43'53".0 Located 0".2 west and 1".9 north of the center of the host galaxy Mag 19.5:1/20, Type HII |
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1989Z,
IAUC 5162
discovered 1989/12/30.000 by
Shaw
Found in NGC 4013 at R.A. = 11h58m32s.0, Decl. = +43°56'54".0 Located 10" east and 4" north of the center of NGC 4013 Mag 12.0:12/30, Type CV (References: IAUC 6911 IAUC 6920 |
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1988X,
IAUC 4378
discovered 1988/11/17.000 by
M. Koishikawa
Found in an anonymous galaxy at R.A. = 09h23m29s.90, Decl. = -25°46'11".0 Located 0" east and 0" north of the center of the host galaxy Mag 20.0:11/17, Type HII (References: IAUC 4379) |
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1987H,
IAUC 4387
discovered 1987/04/29.600 by
H. Kosai
Found in NGC 5363 at R.A. = 12h53m10s.00, Decl. = +05°29'00".0 Located 0" east and 0" north of the center of NGC 5363 Mag 12.1:4/29, Type * (References: IAUC 4379) |
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1987E,
IAUC 4373
discovered 1987/04/24.183 by
M. Rosa
Found in NGC 4725 at R.A. = 12h52m20s.70, Decl. = +25°18'22".0 Located 11" west and 96" north of the center of NGC 4725 Mag 15.7:4/24, Type * (high proper motion) (References: IAUC 4382) |
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1986H,
IAUC 4213
discovered 1986/05/11.940 by
Christian Pollas
Found in NGC 5645 at R.A. = 14h30m39s.10, Decl. = +07°16'32".0 Located 0" east and 0" north of the center of NGC 5645 Mag 17.0:5/11, Type HII? (References: IAUC 4219) |
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1986F,
IAUC 4206
discovered 1986/04/24.500 by
Robert Evans
Found in NGC 5253 at R.A. = 13h39m55s.90, Decl. = -31°38'25".0 Located 10" east and 20" north of the center of NGC 5253 Mag 13.0:4/24, Type HII (References: IAUC 4212) |
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1986D,
IAUC 4197
discovered 1986/03/22.000 by
M. J. Lebofsky, G. H. Rieke, and W. F. Kailey
Found in M82 at R.A. = 09h55m50s.80, Decl. = 69°40'45".0 Located 9" west and 2" south of the center of M82 Mag 10.0:3/22, Type HII (References: IAUC 4202) |
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1985J
(= NSV18704),
IAUC 4059
discovered 1985/05/10.000 by
B. Szeidl
Found in UGC 6274 at R.A. = 11h14m55s.50, Decl. = +33°49'43".0 Located 9" east and 5" north of the center of UGC 6274 Mag 14.0:5/10, Type CV? (References: IAUC 4066, IAUC 4070; SN 2005R) |
1916A Unconfirmed, listed in CBAT list without data 1950E Astroid 2093 Genichesk 1956C Astroid 9574 Taku 1961W Designation ommited 1967F Uncertain nature 1973G Foreground variable 1974L Foreground variable 1983H Foreground star 1984Z Unconfirmed, listed only in the ASC
