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Name
  M31N 2017-01e  
AAVSO UID
000-BPZ-231 (No observations)  
Constellation
Andromeda Sequence
J2000.0
00 44 10.72 +41 54 22.1  (11.04467 +41.90614) Search nearby
B1950.0 00 41 25.91 +41 37 57.3
Galactic coord. 121.486 -20.945
Other names

(Internal only)
AT 2017zq AT 2022fcy GSC2.3 NBW9051234
Gaia DR3 381309292486481280 LGGS J004410.73+415422.2 M31N 2012-01c
M31N 2014-06c M31N 2019-09d M31N 2022-03d
M31N 2024-08c M31V J00441070+4154220 PNV J00441071+4154221
PNV J00441072+4154224 PNV J00441073+4154220 PSP19C
PSP22P TCP J00441072+4154221 XM03JY
ZTF19acajeed iPTF17zq  
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Variability type
NR+BE
Spectral type Be
Mag. range
17.7:CV - 20.9 V
Discoverer F. Vilardell, I. Ribas and C. Jordi
Epoch
02 Oct 2002 (HJD 2452549.7317) Ephemeris
Outburst --
Period 14.29998 d
Rise/eclipse dur. --
Remarks
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1 Zhao, Jingyuan Recorded outbursts in 2012, 2014, 2017, 2019, 2022 and 2024.
2 Otero, Sebastian Alberto Recorded outbursts in 2012, 2017, 2019, 2022 and 2024.
3 Zhao, Jingyuan Nova outburst discovered by Koichi Itagaki on January 31, 2017. EB: amplitude 0.6 V. A recurrent nova with a high-luminosity blue counterpart, the mean recurrence time is 2.545 ± 0.019 years. The absolute magnitude of the quiescent counterpart is about -4.2. Positional coincidence of an unrelated binary star with the nova is extremely unlikely (2022RNAAS...6..241S).
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References
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1 Chamoli, S.; et al., 2026, On the Nature of the BeWD System Nova FQ
Circinus		 2026arXiv261026957C
2 Schaefer, B. E.; Pearce, A.; Love, T.; et al., 2026, FQ Circini: An
Ordinary Nova with a High-mass B1 V(n)(e) Companion Whose Decretion Disk
Transfers Mass to the White Dwarf via Roche-Lobe Overflow		 2026ApJ..1000..125S
3 Chamoli, S.; et al., 2025, Challenging Classical Paradigms: Recurrent Nova
M31N 2017-01e, a BeWD System in M31?		 2025ApJ...991..174C
4 Shafter, A. W.; et al., 2024, Discovery of Two New Eruptions of the
Ultrashort Recurrence Time Nova M31N 2017-01e		 2024RNAAS...8..256S
5 CBAT "Transient Object Followup Reports", 2024 --
6 Shafter, A. W.; et al., 2022, M31N 2017-01e: Discovery of a Previous
Eruption in this Enigmatic Recurrent Nova		 2022RNAAS...6..241S
7 Shafter, A. W.; et al., 2022, M31N 2019-09d and M31N 2022-03d are Confirmed
as the Second and Third Observed Eruptions of the Recurrent Nova M31N
2017-01e		 2022ATel15729....1S
8 CBAT "Transient Object Followup Reports", 2022 --
9 CBAT "Transient Object Followup Reports", 2019 --
10 Williams, S. C.; Darnley, M. J., 2017, Classification of M31N 2017-01e as a
He/N nova		 2017ATel10042....1W
11 CBAT "Transient Object Followup Reports", 2017 --
12 Vilardell, F.; Ribas, I.; Jordi, C., 2006, Eclipsing binaries suitable for
distance determination in the Andromeda galaxy		 2006A&A...459..321V
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Revision History
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3 Zhao, Jingyuan 2026-10-23 06:21 UTC Type from 2025ApJ...991..174C.
2 Zhao, Jingyuan 2024-09-30 06:02 UTC Spectral type from 2024RNAAS...8..256S.
1 Zhao, Jingyuan 2024-09-24 19:53 UTC Gaia DR3 position. Discoverer, period, epoch and minimum magnitude from 2006A&A...459..321V. Maximum magnitude from 2022ATel15729....1S. Variable type (NR) from 2022RNAAS...6..241S.

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