Extragalactic Novae - 2017

Much of this data comes from IAU Circulars and occasionally more data will be provided on IAU's Astronomical Headlines page. An archive of the 2017 updates to this page is available.

SNWeb is now collecting observations on extragalactic novae.   Due to the large number of Extragalactic Novae announced in 2003 I have decided to give these novae their own page. That way you don't need to hunt through the main page or the 2017 supernova archive to find them.   Announced Extragalactic Novae will have a link on the main page that points to this one.   Please note that I do not keep track of galactic novae.  

For current Novae, please see the main Extragalactic Novae page

Nova M31 2017-04b? (= PNV J00424610+4118390), ATEL 10317 discovered 2017/04/24.108 by Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h42m46s.100, Decl. = +41°18'39".00
Located 20".0 east and 150".5 north of the center of M31 (Discovery image)
Mag 16.3:4/24, Type EGN (References: ATEL 10451, CBAT TOCP)

Nova M81 2017-04c? (= AT2017dfw) (= PS17cko) TNS discovered 2017/04/07.256 by K. C. Chambers et al.; M. Henze et al.
Found in M81 at R.A. = 09h56m08s.380, Decl. = +68°56'33".93
Located 189".2 west and 441".1 south of the center of M81 (Discovery image)
Mag 21.7:4/20 (20.4:4/7), Type unknown (References: ATEL 10348, ATEL 10312)

Nova M81 2017-04b? (= PNV J09551279+6900093), ATEL 10290 discovered 2017/04/18.801 by R. Belligoli et al.
Found in M81 at R.A. = 09h55m12s.790, Decl. = +69°00'09".30
Located 109".4 west and 225".8 south of the center of M81 (Discovery image)
Mag 19.9:4/18, Type unknown (References: CBAT TOCP)

MASTER OT J004056.15+405819.1, ATEL 10268 discovered 2017/04/13.053 by MASTER robotic Net
Found in M31 at R.A. = 00h40m56s.150, Decl. = +40°58'19".10
Located 0".0 east and 0".0 north of the center of M31 (Discovery image)
Mag 16.7:4/13, Type unknown

Nova M81 2017-04a? (= AT2017dbo) (= PNV J09552544+6905239) (= PS17cgn), ATEL 10254 discovered 2017/04/07.282 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h55m25s.440, Decl. = +69°05'23".90
Located 41".4 west and 88".8 north of the center of M81 (Discovery image) (PS1 image)
Mag 19.7:4/11, Type FeII (References: ATEL 10276, TNS)

Nova M81 2017-03a, ATEL 10295 discovered 2017/03/22.910 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m28s.040, Decl. = +69°05'26".00
Located 27".5 west and 90".9 north of the center of M81
Mag 20.1:4/4 (19.9:3/22), Type unknown

Nova M31 2017-03b? (= PNV J00424502+4116395), ATEL 10166 discovered 2017/03/10.796 by Kamil Hornoch, Hana Kucakova and Jan Vrastil
Found in M31 at R.A. = 00h42m45s.020, Decl. = +41°16'39".50
Located 7".8 east and 31".0 north of the center of M31 (Discovery image)
Mag 17.3:3/10, Type unknown (References: CBAT TOCP)

Nova M31 2017-03a? (= PNV J00430201+4113190) (= AT2017cfr) (= Gaia17arh), ATEL 10139 discovered 2017/03/01.754 by Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h43m02s.010, Decl. = +41°13'19".00
Located 199".0 east and 169".0 south of the center of M31 (Discovery image)
Mag 18.1:3/12, Type FeII (References: ATEL 10143, TNS, Gaia observations)

Nova M81 2017-02d? (= PNV J09555331+6858162), ATEL 10134 discovered 2017/02/24.119 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h55m53s.310, Decl. = +68°58'16".20
Located 108".2 east and 338".9 south of the center of M81 (Discovery image)
Mag 20.4:2/26, Type unknown

Nova M81 2017-02c?, (= AT2017blf) (= PNV J09563136+6907294), TNS discovered 2017/02/25.823 by Flavio Castellani, and Raffaele Belligoli, Claudio Marangoni, Fernando Marziali (ISSP); Kamil Hornoch et al.
Found in M81 at R.A. = 09h56m31s.360, Decl. = +69°07'29".40
Located 313".0 east and 209".0 north of the center of M81 (Discovery image (mirror)) (K. Hornoch image)
Mag 19.3:2/25, Type unknown (References: ATEL 10133, TOCP)

Nova M81 2017-02b?, ATEL 10101 discovered 2017/02/08.050 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m27s.600, Decl. = +69°03'57".00
Located 29".9 west and 1".9 north of the center of M81
Mag 20.6:2/8, Type unknown

Nova M81 2017-02a? (= AT2017axz), TNS discovered 2017/02/19.920 by Flavio Castellani, Raffaele Belligoli, Claudio Marangoni and Fernando Marziali (ISSP); Kamil Hornoch et al.
Found in M81 at R.A. = 09h55m36s.180, Decl. = +69°06'21".00
Located 16".2 east and 145".9 north of the center of M81 (Discovery image) (K. Hornoch image)
Mag 19.3:2/19, Type unknown (References: ATEL 10102)

Nova M31 2017-02a? (= AT2017axi), TNS discovered 2017/02/18.746 by Raffaele Belligoli et al. (ISSP)
Found in M31 at R.A. = 00h42m38s.120, Decl. = +41°14'10".70
Located 3".0 east and 115".0 south of the center of M31 (Discovery image) (ISSP image)
Mag 18.3:2/18, Type unknown (References: CBAT TOCP)

Nova M31 2017-01f? (= PNV J00425145+4118352), ATEL 10098 discovered 2017/01/22.720 by Kamil Hornoch et al.
Found in M31 at R.A. = 00h42m51s.450, Decl. = +41°18'35".20
Located 80".3 east and 146".0 north of the center of M31 (Discovery image)
Mag 18.4:1/22, Type unknown

Nova M31 2017-01e? (= TCP J00441072+4154221), CBAT TOCP discovered 2017/01/31.395 by Koichi Itagaki
Found in M31 at R.A. = 00h44m10s.720, Decl. = +41°54'22".10
Located 965".0 east and 2294".0 north of the center of M31 (K. Itagaki image)
Mag 17.8:1/31, Type He/N (References: ATEL 10042)

Nova M81 2017-01a ATEL 9979 discovered 2017/01/13.879 by G. Sala et al.
Found in M81 at R.A. = 09h55m39s.800, Decl. = +69°06'28".10
Located 35".4 east and 153".0 north of the center of M81
Mag 21.3:1/20 (19.4:1/13), Type unknown

Nova M31 2017-01d? (= PNV J00424147+4116595), ATEL 9976 discovered 2017/01/19.705 by Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h42m41s.470, Decl. = +41°16'59".50
Located 32".2 west and 51".0 north of the center of M31 (Discovery image)
Mag 16.88:1/22, Type unknown (References: CBAT TOCP, ATEL 10003)

Nova M31 2017-01c? (= PNV J00422133+4112018), ATEL 9974 discovered 2017/01/18.701 by Kamil Hornoch, H. Kucakova, J. Vrastil
Found in M31 at R.A. = 00h42m21s.330, Decl. = +41°12'01".80
Located 259".4 west and 246".7 south of the center of M31 (Discovery image) (George Carey image prediscovery) (George Carey image) (K. Itagaki image) (Robert Spellman image) (Robert Spellman image) (Robert Spellman image) (Robert Spellman image) (Robert Spellman image)
Mag 14.6:1/31, Type FeII (References: ATEL 10028, CBAT TOCP, ATEL 10003)

MASTER OT J004025.31+405952.0, ATEL 9966 discovered 2017/01/14.778 by MASTER robotic Net
Found in M31 at R.A. = 00h40m25s.310, Decl. = +40°59'52".00
Located 1570".5 west and 976".5 south of the center of M31 (Discovery image)
Mag 17.5:1/14, Type unknown

Nova M31 2017-01a? (= PNV J00424525+4116108) ATEL 9958 discovered 2017/01/13.879 by Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h42m45s.250, Decl. = +41°16'10".80
Located 10".4 east and 2".3 north of the center of M31 (Discovery image)
Mag 17.8:1/22 (16.6:1/8), Type unknown (References: ATEL 10002, ATEL 10003)

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