2017 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...

AT2017kfx, TNS discovered 2017/03/13.000 by Galaxy Zoo at R.A. = 17h28m21s.437, Decl. = -34°18'47".41 Mag 6.0:3/13, Type CV

AT2017jdh, (= ASASSN-17rh) ATEL 11103 discovered 2017/12/22.260 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 04h29m23s.230, Decl. = +01°59'51".04
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (Gianpiero Locatelli image) (Masanori Mizutani image)
Mag 17.6:12/25 (17.0:12/22), Type CV (References: ATEL 11113, TNS)

AT2017imy, (= ASASSN-17pv) (= Gaia21ebk) ATEL 11018 discovered 2017/11/25.030 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 23h37m37s.430, Decl. = -60°43'58".37
Located 1".0 east and 1".5 south of the center of host galaxy (Discovery image)
Mag 17.6:11/25, Type CV (References: ATEL 11024, TNS, Gaia observations)

AT2017ihm, TNS discovered 2017/11/19.175 by R. Post, E. Weinberg, Jack Newton, and Tim Puckett
Found in UGC 2936 at R.A. = 04h03m08s.970, Decl. = +01°59'10".50
Located 311".5 east and 72".8 north of the center of UGC 2936
Mag 15.0:11/19, Type MP (minor planet 48 Pittsburghia) (References: SN 1991bd)

AT2017icu, (= ASASSN-17oy) ATEL 10992 discovered 2017/11/13.160 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an LEDA 129276) at R.A. = 00h54m44s.400, Decl. = -50°00'37".33
Located 4".7 west and 1".4 south of the center of LEDA 129276 (Joseph Brimacombe image)
Mag 18.1:11/13, Type Galaxy (zhost=0.048313) (References: ATEL 10974, TNS)

AT2017hot, TNS discovered 2017/10/24.224 by R. Gagliano, R. Post, E. Weinberg, Jack Newton, and Tim Puckett
Found in LEDA 1871316 at R.A. = 00h38m19s.450, Decl. = +29°35'11".30
Located 8".74 east and 4".7 south of the center of LEDA 1871316 (Discovery image)
Mag 20.0:10/24, Type unconfirmed (zhost=0.074900)

AT2017heo, (= ASASSN-17ne) TNS discovered 2017/10/09.349 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 06h05m53s.750, Decl. = -29°05'46".03
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 15.4:10/9, Type CV

AT2017hbn, (= kait-17cv) TNS discovered 2017/10/03.521 by Lick Observatory Supernova Search
Found in an anonymous galaxy at R.A. = 03h32m19s.730, Decl. = +68°05'58".60
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image)
Mag 18.9:10/3, Type nova

MASTER OT J192441.01+620639.4, ATEL 10730 discovered 2017/09/10.871 by MASTER robotic Net
Found in an anonymous galaxy at R.A. = 19h24m41s.010, Decl. = +62°06'39".40
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (Manfred Mrotzek image) (Masanori Mizutani image)
Mag 15.4:9/10, Type CV (offset 3.9) (References: ATEL 10758, OSC)

AT2017gqq, (= PTSS-17waj) TNS discovered 2017/09/07.852 by PMO-Tsinghua Supernova Survey (PTSS) at R.A. = 06h49m04s.670, Decl. = +17°30'04".12 Mag 17.4:9/7, Type CV (References: ATEL 10746, OSC)

AT2017gay (= Nova M31 2010-12a) (= Nova M31 1957-10b) (= PT And) TNS discovered 2017/08/15.001 by Emmanuel Conseil
Found in M31 at R.A. = 00h40m24s.370, Decl. = +41°04'03".20
Located 1580".3 west and 725".3 south of the center of M31 (Discovery image) (Marc Serrau image) (Marc Serrau image)
Mag 15.3:8/27, Type LPV (foreground, not in M31) (References: ATEL 10672, 10647, 10692)

AT2017glg, TNS discovered 2017/09/02.629 by Yuji Tanaka
Found in NGC 7469 at R.A. = 23h03m14s.800, Decl. = +08°52'55".00
Located 0".0 east and 0".0 north of the center of NGC 7469 (Discovery image)
Mag 15.5:9/2, Type unconfirmed (zhost=0.016317) (References: ATEL 10732; SN 2008ec, 2000ft)

AT2017hqa, TNS discovered 2017/10/26.740 by Tsinghua-NAOC Transient Survey (TNTS)
Found in NGC 399 at R.A. = 01h08m59s.160, Decl. = +32°38'04".10
Located 1".0 west and 0".0 north of the center of NGC 399 (Rafael Ferrando image)
Mag 17.3:10/26, Type galaxy (zhost=0.017235)

AT2017fro (= ASASSN-17jz) (= Gaia17cff), ATEL 10652 discovered 2017/07/27.360 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 17h19m55s.849, Decl. = +41°40'49".32
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (G. Wells and D. Bamberger image) (Esteban Aguilar image)
Mag 16.7:9/3 (16.4:08/06), Type AGN (z=0.165) (offset 0.1) (References: ATEL 10620, TNS, Gaia observations)

MASTER OT J023819.81-521134.1, ATEL 10625 discovered 2017/08/07.136 by MASTER robotic Net
Found in ESO 198-G024 at R.A. = 02h38m19s.810, Decl. = -52°11'34".10
Located 0".0 east and 0".0 north of the center of ESO 198-G024 (Discovery image)
Mag 14.3:8/7, Type AGN (offset 2.3) (References: ATEL 10627)

AT2017gzo, TNS discovered 2017/09/30.590 by Yuji Tanaka
Found in NGC 7782 at R.A. = 23h53m52s.200, Decl. = +07°58'19".00
Located 0".0 east and 0".0 north of the center of NGC 7782 (Discovery image)
Mag 17.8:9/30, Type HP (imaging artifact) (zhost=0.017942) (References: SN 2003gl)

AT2017gwx, (= ASASSN-17my) (= Gaia17cny) TNS discovered 2017/09/26.334 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 21h55m48s.810, Decl. = -17°48'56".52
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 17.6:10/6 (16.3:9/26), Type CV (References: ATEL 10793, Gaia observations)

AT2017gvo, (= ASASSN-17mq) ATEL 10796 discovered 2017/09/17.250 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in CGCG 225-50 at R.A. = 17h08m45s.105, Decl. = +42°16'58".60
Located 0".0 east and 0".0 north of the center of CGCG 225-50 (Rafa Glez image) (Discovery image)
Mag 17.5:9/17, Type galaxy (zhost=0.054831) (offset 0.41) (References: ATEL 10805, TNS, OSC)

AT2017fmr (= Gaia20azb), TNS discovered 2017/07/15.047 by Paulo Cacella
Found in an anonymous galaxy at R.A. = 20h01m07s.660, Decl. = -44°18'33".33
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image)
Mag 17.0:2/23/2020 (16.8:7/15), Type CV (References: ATEL 10582, Gaia observations, OSC)

AT2017evd, TNS discovered 2017/06/18.056 by P. Cacella
Found in an anonymous galaxy at R.A. = 12h49m28s.140, Decl. = -58°48'25".70
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image)
Mag 14.2:6/18, Type CV (References: OSC)

AT2017egh, (= SMT17kit) TNS discovered 2017/05/01.767 by SkyMapper at R.A. = 20h58m38s.100, Decl. = -43°16'38".35 Mag 19.8:5/1, Type flare (References: OSC)

AT2017egv (= ASASSN-17gs) (= Gaia18cqe) TNS discovered 2017/05/25.400 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 15h44m19s.720, Decl. = -06°49'13".87
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 16.4:9/12/2018 (16.6:06/01), Type QSO (light curve) (References: ATEL 10642, Gaia observations, OSC)

AT2017djk, (= ASASSN-17fp) TNS discovered 2017/04/28.230 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 18h08m51s.110, Decl. = -73°04'04".22
Located 0".0 east and 0".0 north of the center of the host galaxy (Joseph Brimacombe image)
Mag 16.0:5/4 (15.6:4/30), Type CV (References: ATEL 10334, OSC)

AT2017dii, TNS discovered 2017/04/25.051 by P. Cacella
Found in an anonymous galaxy at R.A. = 13h13m57s.390, Decl. = -31°41'32".66
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (Confirmation image)
Mag 16.6:4/25, Type CV (References: ATEL 10328, OSC)

AT2017cam, (= ASASSN-17di) ATEL 10153 discovered 2017/03/05.369 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 16h51m55s.730, Decl. = -16°21'04".03
Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image)
Mag 16.5:3/5, Type CV (References: ATEL 10337, TNS, OSC)

AT2017dbx, (= Gaia17azz) TNS discovered 2017/04/13.876 by Gaia Photometric Science Alerts programme
Found in an anonymous galaxy at R.A. = 07h03m32s.180, Decl. = -06°37'24".74
Located 0".0 east and 0".0 north of the center of the host galaxy (Enrico Prosperi image)
Mag 15.2:5/9 (14.3:4/27), Type YSO (References: VSnet observations, Gaia observations, OSC)

AT2017dac (= Gaia20ejk), TNS discovered 2017/04/14.826 by PMO-Tsinghua Supernova Survey (PTSS)
Found in an anonymous galaxy at R.A. = 18h58m11s.110, Decl. = +46°27'55".09
Located 0".0 east and 0".0 north of the center of the host galaxy (Enrico Prosperi image)
Mag 16.5:4/14, Type CV (References: ATEL 10285, OSC, Gaia observations)

AT2017cxx, TNS discovered 2017/04/09.390 by R. Gagliano, E. Weinberg, R. Post, Jack Newton, and Tim Puckett
Found in PGC 44092 at R.A. = 12h55m59s.100, Decl. = +63°36'52".30
Located 0".0 east and 0".0 north of the center of PGC 44092 (Discovery image) (Enrico Prosperi image unconfirmed)
Mag 17.5:4/9, Type unconfirmed (zhost=0.016225) (References: OSC)

AT2017cnu, (= ATLAS17dhd) TNS discovered 2017/03/23.548 by ATLAS
Found in an anonymous galaxy at R.A. = 13h49m08s.150, Decl. = -30°14'49".00
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 18.3:3/23, Type unconfirmed (References: ATEL 10318, OSC)

AT2017cjz, (= ASASSN-17ec) TNS discovered 2017/03/24.480 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 14h14m30s.890, Decl. = +13°16'55".02
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 16.7:3/24, Type unconfirmed (References: OSC)

AT2017cih, TNS discovered 2017/03/19.126 by Doug Rich
Found in NGC 3780 at R.A. = 11h39m21s.390, Decl. = +56°16'33".60
Located 0".0 east and 0".0 north of the center of NGC 3780
Mag 17.7:3/19, Type HP (zhost=0.008002) (References: OSC; SN 1992bt, 1978H)

AT2017cbg, (= ASASSN-17dm) ATEL 10176 discovered 2017/03/09.300 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 10h06m57s.460, Decl. = -47°43'39".11
Located 6".7 west and 3".2 south of the center of the host galaxy (Discovery image) (Joseph Brimacombe image) (Roland Santallo image)
Mag 15.9:3/16, Type M-star (References: ATEL 10212, ATEL 10240, TNS, OSC)

AT2017bgt, (= ASASSN-17cv) ATEL 10113 discovered 2017/02/21.630 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 16h11m05s.520, Decl. = +02°34'02".14
Located 0".2 east and 0".1 south of the center of the host galaxy (Discovery image)
Mag 17.2:2/21, Type AGN (z=0.064) (References: TNS, OSC)

AT2017avi, (= Gaia17ajg) TNS discovered 2017/02/06.760 by Gaia Photometric Science Alerts programme
Found in an anonymous galaxy at R.A. = 17h57m50s.040, Decl. = -31°33'18".18
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 14.5:2/6, Type microlensing event? (References: Gaia observations, OSC)

AT2017ahk, TNS discovered 2017/02/04.833 by Peter Lloyd
Found in M74 at R.A. = 01h37m37s.000, Decl. = +15°52'00".00
Located 0".0 east and 0".0 north of the center of M74 (Josph Brimacombe image unconfirmed)
Mag 10.0:2/4, Type unconfirmed (References: OSC)

AT2017pv, (= ATLAS17anj) TNS discovered 2017/01/26.490 by ATLAS
Found in an anonymous galaxy at R.A. = 09h37m40s.250, Decl. = -28°59'47".64
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 16.7:1/26, Type CV (References: ATEL 10020, OSC)

AT2017pm, (= ATLAS17amw) TNS discovered 2017/01/26.423 by ATLAS
Found in an anonymous galaxy at R.A. = 07h48m39s.020, Decl. = -10°49'34".67
Located 0".0 east and 0".0 north of the center of the host galaxy
Mag 16.9:1/26, Type CV (References: ATEL 10020, OSC)

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