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AR LAC

Coordinates | Light elements | Current Minima | O-C diagram
Comments | Catalogue numbers | References | Get DSS field

  • General characteristics
    • RA
    (2000)
    DEC
    (2000)
    V
    Depth
    Sp
    B-V
    Type
    Pri
    Sec
    Pri
    Sec
    22 08 40.8180
    +45 44 32.116
    6.13
    0.8
    0.3
    G5IV
    K0IV
    0.72
    EA/AR/RS

  • Statistics of collected times of minima
    • Total
    number
    Type
    Method
    Years
    Pri
    Sec
    Vi
    P
    Pg
    Pe
    Ccd
    Other
    168
    123
    45
    41
    1
    13
    112
    0
    1
    1901-1997

  • Light elements:
        The following elements were used to prepare the (O-C) diagram. Please check for any updated elements and current minima and phase.
     Min I = JD Hel 2426624.320 + 1.9832150 E

  • Comments: Only pe and ccd minima after JD 2438975.

  • Catalogue numbers: FL3320 BD+453813 HD210334 SA 51684 HV2980 HR8448 Zi2072.

  • References:
        The references are links which will try to find the article in ADS. Please note that sometimes the article may not be listed in ADS, or other articles by the same authors may be found. This can happen if the paper is old or in an obscure journal.
    Guarnieri, A., Bonifazi, A. \& Battistini, P. 1975, A\&AS, 20, 199
    Hall, D. S. \& Kreiner, J. M. 1980, AcA, 30, 387
    Jetsu, L. {\it et al.} 1997, A\&A, 326, 698
    Kim, C.-H. 1991, AJ, 102, 1784
    Lanza, A. F. {\it et al.} 1998, A\&A, 332, 541
    Theokas, A. C. 1977, Ap\&SS, 52, 213

  • Get the 15' field centered on these coordinates from the Digitized Sky Survey at the STScI Archive.
    •  

  • Newer ephemeris data is available online at http://www.as.up.krakow.pl/ephem. Please use the more recent version in your research.

    • [ Email webmaster ] Copyright © 2000 Jerzy M. Kreiner, Chun-Hwey Kim, Il-Seong Nha