ADC/CDS Standard Document for Catalog:
/journal_tables/AJ/107/1868/

1. Use the ADC Data Viewer Suite to visualize the data.
2. Get the data files via anonymous FTP. (See Note.)

J/AJ/107/1868        Cyclic period variability in SW Cyg (Berrington+, 1994)
================================================================================
The cyclic period variability in SW Cygni
      Berrington R.C., Hall D.S.
      <Astron. J. 107, 1868 (1994)>
      =1994AJ....107.1868B      (SIMBAD/NED Reference)
================================================================================
ADC_Keywords: Stars, variable 

Description:
  Timings of primary eclipse up through 1992 are collected, plus a few
  overlooked in earlier studies. O-C values are give for each observation.

Addresses:
   Berrington R.C. & Hall D.S.     hallxxds@crtvax.vanderbilt.edu
      Dyer Observatory, Vanderbilt University, Nashville, Tennessee 37235

File Summary:
--------------------------------------------------------------------------------
 FileName    Lrecl    Records    Explanations
--------------------------------------------------------------------------------
ReadMe          80          .    This file
table1          47        226    Times of primary minimum for SW Cygni
--------------------------------------------------------------------------------

Byte-by-byte Description of file: table1
--------------------------------------------------------------------------------
   Bytes Format  Units      Label    Explanations
--------------------------------------------------------------------------------
   1-  5  I5      ---        Cycle   Cycle number
   7- 13  F7.4    d          O-C     O-C curve value
  15- 21  F7.4    d          O-C'    O-C' curve value
  23- 35  F13.4   d          JD      Julian date
  38- 43  F6.4    d          Error   []? Uncertainty or error in original source
      44  A1      ---      n_Error   Weights assigned by Slovochotova (1954)
  46- 47  I2      ---        Ref     Reference (1)
--------------------------------------------------------------------------------
Note (1): References:
   1. Slovochotova 1954, P.Z., 10, 21 [pg,vp,ve]
   2. Whitney 1959, AJ, 64, 258 [pg]
   3. Szczepanowska 1956, AcA, 6, 144 [ve]
   4. Lange 1959b, Astr. Circ. No. 201, 13 [ve]
   5. Lange 1960, Astr. Circ. No. 209, 23 [ve]
   6. Walter 1971, A&A, 13, 249 [pe]
   7. Hall 1968, IBVS, No. 281 [pe]
   8. Hall, Garrison 1972, PASP, 84, 552 [pe]
   9. Frieboes-Conde, Herczeg 1973, A&AS, 12, 1 [pe]
  10. Hall et al. 1979, AcA, 29, 653 [pe]
  11. B.B.S.A.G. [ve]
  12. Olson 1981, IBVS Mo. 1938 [pe]
  13. Olson 1982, ApJ, 259, 702 [pe]
  14. Flin 1983, M.V.S. 9, 89 [ve]
  15. Kordylewski 1963, IBVS No. 35 [ve]
  16. Scholz 1964, Harthaer Beobachtungs Zirkular No. 28 [pg]
  17. B.A.A.V.S.S. [ve]
  18. Struve 1946, ApJ, 104, 253 [sp]
  19. Baldwin 1973, IBVS No. 795 [ve]
  20. Parenago 1931, Russian AJ, 8, 229 [pg,vp]
  pg = photographic
  pe = photoelectric
  sp = spectroscopic
  ve = visual estimates
  vp = visual photometer
--------------------------------------------------------------------------------

References:
   Slovochotova N.P., 1954, P.Z., 10, 21


Origin: AAS CD-ROM series, Volume 3, 1995
================================================================================
(End)           Lee Brotzman [ADS] 16-Aug-1994, Patricia Bauer [CDS] 15-Feb-1995