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Name
  Lanning 386  
AAVSO UID
000-BDC-407 (4854 observations)  
Constellation
Cygnus Sequence
J2000.0
21 08 33.97 +39 05 35.2  (317.14154 +39.09311) Search nearby
B1950.0 21 06 37.24 +38 53 23.0
Proper motion
RA: -7.7 +/- 7.5 mas/yDec: 7.3 +/- 7.2 mas/ySource: UCAC4
Galactic coord. 82.795 -5.828
Other names

(Internal only)
3XMM J210833.9+390535 4XMM J210833.9+390535 ASASSN-V J210833.90+390535.3
ATO J317.1415+39.0931 Lan 386 ZTF18aaypnnd
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Variability type
UG+E
Spectral type M5Ve
Mag. range
14.7 - 19.8 g
Discoverer Howard Hugh Lanning
Epoch
12 Sep 2005 (HJD 2453625.5867) Ephemeris
Outburst --
Period 0.1640517 d  (3.93724 h)
Rise/eclipse dur. --
Remarks
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1 Brady, Steve The Eclipsing Cataclysmic Variable Lanning 386: Dwarf Nova, SW Sextantis Star, or Both? PASP 120:301-310 06 March 2008 Porb 0.1640517 ± 0.0000001 days (= 3.94 h).
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References
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1 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) arXiv:1612.04397
2 S. Brady et al., 2008, PASP 120, 301 2008PASP..120..301B
3 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
4 D.W. Hoard, The Big List of SW Sextantis Stars 2003AJ....126.2473H
5 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
6 Lanning, H. H.; Meakes, M., 2000, A finding list of faint UV-bright stars
in the galactic plane. V.
2000PASP..112..251L
7 ZTF observations (Lasair online data) --
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 = 15.19H = 14.73K = 14.53J - K = 0.66
Images
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Supporting Documents
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Stellar Association Membership
 ASCC 113 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2020-10-27 21:06 UTC Type and range from ZTF (Lasair) data.
4 Schmeer, Patrick 2020-07-07 11:36 UTC Gaia DR2 position. ZTF designation and reference added. Discoverer added from 2000PASP..112..251L.
3 Admin, VSX 2017-12-15 13:53 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
2 Admin, VSX 2008-09-27 01:27 UTC Update from [2008PASP..120..301B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.