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Name
  CI Aql  
AAVSO UID
000-BCD-453 (3289 observations)  
Constellation
Aquila Sequence
J2000.0
18 52 03.59 -01 28 39.3  (283.01496 -1.47758) Search nearby
B1950.0 18 49 28.14 -01 32 19.9
Proper motion
RA: 2.8 +/- 5.0 mas/yDec: 7.8 +/- 5.0 mas/ySource: UCAC4
Galactic coord. 31.688 -0.812
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1846-01 AN 23.1925 Downes CI Aql
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Variability type
NR+E
Spectral type cont
Mag. range
8.6: B - 16.3 V
Discoverer K. Reinmuth
Epoch
04 Jun 1991 (HJD 2448412.167) Ephemeris
Outburst 1917
Period 0.6183609 d  (14.84066 h)
Rise/eclipse dur. --
Remarks
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References
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1 Comprehensive Photometric Histories of All Known Galactic Recurrent Novae 2010ApJS..187..275S
2 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
3 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
4 The 2000 outburst of the recurrent nova CI Aquilae 2001A&A...366..858K
5 CI Aql: a New Short-Period Eclipsing Binary 1995IBVS.4232....1M
6 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1992ApJS...78..537S
7 P.P.Parenago, Perem. Zvezdy 3, 99, 1931. --
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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 = 13.67H = 13.33
Images
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Supporting Documents
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Revision History
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5 Admin, VSX 2017-12-15 07:39 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
4 Otero, Sebastian Alberto 2011-11-01 19:52 UTC Minimum magnitude and period from 2010ApJS..187..275S.
3 Otero, Sebastian Alberto 2009-08-12 23:52 UTC New type from reference. Elements and magnitudes from IBVS 4232. Position from Downes catalogue.
2 Admin, VSX 2007-03-23 15:52 UTC Discoverer added.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.