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Latest Details
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Name
  LL Per  
AAVSO UID
000-BFC-166 (3295 observations)  
Constellation
Perseus Sequence
J2000.0
02 14 51.54 +57 29 34.5  (33.71475 +57.49292) Search nearby
B1950.0 02 11 20.54 +57 15 36.6
Galactic coord. 133.984 -3.578
Other names

(Internal only)
2MASS J02145153+5729344 ASASSN-V J021451.52+572934.3 IPHAS J021451.53+572934.5
SON 7719 USNO-B1.0 1474-0092550  
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Variability type
EA/SD
Spectral type --
Mag. range
16.70 - 18.25 r
Discoverer --
Epoch
08 Aug 2018 (HJD 2458338.948) Ephemeris
Outburst --
Period 3.97478 d
Rise/eclipse dur. 11%  (10.5 h)
Remarks
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1 Otero, Sebastian Alberto Min II= 16.86 r.
2 GCVS Team In the region of the open cluster h, khi Per.
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References
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1 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive		 2019PASP..131a8003M
2 C.Hoffmeister, AN 287, H.4, 169, 1963. 1963AN....287..169H
External Links
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Location    Go   
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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 = 15.09H = 14.58K = 14.48J - K = 0.61
AllWISE W1 = 14.39W2 = 14.50W1 - W2 = -0.11
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 02 14 51.54 +57 29 34.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2020-08-04 03:39 UTC Phase plot with ZTF data.
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Revision History
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3 Otero, Sebastian Alberto 2020-08-04 03:39 UTC Type, period, epoch, eclipse duration and range from ZTF data. Gaia DR2 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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