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Name
  V1047 Cen  
AAVSO UID
000-BCY-259 (8743 observations)  
Constellation
Centaurus Sequence
J2000.0
13 20 49.78 -62 37 50.6  (200.20742 -62.63072) Search nearby
B1950.0 13 17 32.58 -62 22 07.6
Galactic coord. 306.303 +0.049
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWXRT J132049.9-623749 1SXPS J132049.1-623749 2SXPS 109920
2SXPS J132049.8-623748 AAVSO 1314-62 ASAS J132049-6237.8
AT 2019hik Downes V1047 Cen Gaia19cfn
N Cen 2005 Nova Cen 2005 Nova Centauri 2005
SMSS J132049.78-623750.4 VPHASDR2 J132049.8-623750.6 VVV J132049.77-623750.53
VVV J132049.78-623750.56 WISE J132049.78-623750.6 WISEA J132049.77-623750.5
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Variability type
NA+UG:
Spectral type --
Mag. range
8.5 - 18.7 V
Discoverer William Liller
Epoch
03 Sep 2005 (HJD 2453617)
Outburst 2005
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Unique slow (400 d.) 6 mag. outburst in 2019. It is either a record breaking DN outburst or —more likely— a more energetic phenomenon than a disk instability event. Non-ejection nova event? (2022ApJ...939....6A)
2 Schmeer, Patrick The reported orbital period of 8.66 h (2019ATel12889....1A) could be some artifact from the data reduction and is likely not a real one (E. Aydi, personal communication).
3 Otero, Sebastian Alberto Slow 2.5 mag. brightening lasting for more than 2 months (starting on April 6, 2019) according to OGLE data (2019ATel12876....1M) and first reported by Gaia. Unusual for a recurrent nova or a dwarf nova.
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References
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1 Aydi, E.; Sokolovsky, K. V.; Bright, J. S.; et al., 2022, The 2019 Outburst
of the 2005 Classical Nova V1047 Cen: A Record Breaking Dwarf Nova Outburst
or a New Phenomenon?
2022ApJ...939....6A
2 E. Aydi; K. Sokolovsky; L. Chomiuk; et al., 2019, ATel #12889 2019ATel12889....1A
3 E. Aydi; D. A. H. Buckley; P. Mroz; et al., 2019, ATel #12885 2019ATel12885....1A
4 P. Mroz; A. Udalski, 2019, ATel #12876 2019ATel12876....1M
5 Gaia Alerts, 2019 (online data) --
6 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
7 Liller, W. 2005, IAU Circ, No. 8596. 2005IAUC.8596....1L
8 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
9 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
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.
AllWISE W1 = 11.24W2 = 9.47W3 = 4.21W4 = 2.22W1 - W2 = 1.77W3 - W4 = 1.99
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 13 20 49.78 -62 37 50.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
8 Schmeer, Patrick 2022-07-22 09:53 UTC Orbital period removed (E. Aydi, personal communication).
7 Otero, Sebastian Alberto 2019-06-26 04:52 UTC Orbital period from 2019ATel12889....1A.
6 Otero, Sebastian Alberto 2019-06-26 04:40 UTC Type from 2019ATel12885....1A.
5 Schmeer, Patrick 2019-06-11 19:56 UTC Gaia DR2 position. Type, epoch and maximum magnitude from AAVSO data. Minimum magnitude derived from Gaia Alerts data. Discoverer's first name added.
4 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
3 Admin, VSX 2009-09-23 00:52 UTC Added year of nova outburst.
2 Admin, VSX 2007-03-23 19:52 UTC Discoverer added.
1 Admin, VSX 2006-08-20 03:12 UTC Initial database population.