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Name
  KT Eri  
AAVSO UID
000-BJR-847 (28841 observations)  
Constellation
Eridanus Sequence
J2000.0
04 47 54.20 -10 10 43.0  (71.97583 -10.17861) Search nearby
B1950.0 04 45 31.90 -10 15 57.3
Proper motion
RA: 2.9 +/- 3.5 mas/yDec: -14.5 +/- 4.0 mas/ySource: UCAC4
Galactic coord. 207.986 -32.020
Other names

(Internal only)
1SWXRT J044754.2-101043 1SXPS J044754.1-101043 2CXO J044754.1-101043
2MASS J04475419-1010429 2SXPS 24724 4XMM J044754.1-101042
ASASSN-V J044754.21-101043.4 ATO J071.9758-10.1786 CXOGSG J044754.1-101043
Gaia DR3 3184664584368981760 N Eri 2009 Nova Eri 2009
Nova Eridani 2009 TIC 167485724 USNO-B1.0 0798-0048707
VSX J044754.2-101043 WISEA J044754.20-101042.7 XMMOM J044754.2-101043
ZTF20aarbvog    
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Variability type
NR
Spectral type WD+GIV
Mag. range
5.4 - 15.9 V
Discoverer K. Itagaki
Epoch
14 Nov 2009 (HJD 2455150.17) Ephemeris
Outburst 2009
Period 2.61595 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Epoch of outburst peak given in the table.
2 Otero, Sebastian Alberto Properties similar to those of recurrent novae. Possible red giant companion.
3 2011arXiv1110.4637J A 737d period is probably due to eclipses and reflection effects. A period of 376d is also possible.
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References
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1 CBET No. 2050 CBET No. 2050
2 Shara, M. M.; et al., 2024, Introducing the Condor Array Telescope - IV. A
possible nova super-remnant surrounding the putative recurrent nova KT
Eridani
2024MNRAS.529..224S
3 Schaefer, B. E.; et al., 2022, The nova KT Eri Is a recurrent nova with a
recurrence time-scale of 40-50 yr
2022MNRAS.517.3864S
4 Jurdana-Šepić, R.; Munari, U., 2012, Reconstructing Historical Light
Curves of Symbiotic Stars and Novae
2012BaltA..21..177J
5 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2011, IBVS 5969
2011IBVS.5969....1K
6 R. Jurdana-Sepic, V.A.R.M. Ribeiro, M.J. Darnley, U. Munari, M.F. Bode,
2011, arXiv:1110.4637v1 [astro-ph.SR]
2011arXiv1110.4637J
7 Exquisite Nova Light Curves from the Solar Mass Ejection Imager (SMEI) 2010ApJ...724..480H
8 IAUC, 2009, No. 9098 2009IAUC.9098....1Y
9 N. Samus, 2009, IAUC 9098 2009IAUC.9098....1S
10 K. Malek, 2009, vsnet-alert 11696 --
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 14.62H = 14.16K = 14.09J - K = 0.53
AllWISE W1 = 10.11W2 = 10.40W3 = 7.96W4 = 7.21W1 - W2 = -0.28W3 - W4 = 0.75
APASS-DR9 B = 14.99V = 14.71g' = 14.80r' = 14.68i' = 14.52B - V = 0.28
Images
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Supporting Documents
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Revision History
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7 Otero, Sebastian Alberto 2025-03-04 07:16 UTC Period, outburst peak date, spectral type and minimum magnitude from 2022MNRAS.517.3864S. Type from 2022MNRAS.517.3864S and 2024MNRAS.529..224S.
6 Otero, Sebastian Alberto 2016-10-12 22:50 UTC Type and spectral type from 2012BaltA..21..177J.
5 Otero, Sebastian Alberto 2012-04-30 08:11 UTC Maximum magnitude from 2010ApJ...724..480H. Minimum magnitude derived from CMC14.
4 Admin, VSX 2011-10-25 01:36 UTC Update from [2011arXiv1110.4637J].
3 Admin, VSX 2011-02-06 17:22 UTC Primary name and details from the 80th GCVS Name-List [2011IBVS.5969....1K].
2 Admin, VSX 2009-12-02 13:06 UTC Update from [2009IAUC.9098....1S].
1 Waagen, Elizabeth O. 2009-11-26 10:38 UTC Initial submission.