[IMAGE: small MY CYG O-C diagram] MSO Home | Atlas Home | Contents & Data | Search

MY CYG

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
    20 20 03.3895
    +33 56 35.022
    8.34
    0.7
    0.7
    F0m
    F0m
    0.34
    EA/DM

  • Statistics of collected times of minima
    • Total
    number
    Type
    Method
    Years
    Pri
    Sec
    Vi
    P
    Pg
    Pe
    Ccd
    Other
    27
    14
    13
    0
    0
    0
    26
    1
    0
    1963-1993

  • 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 2441561.6021 + 4.00518765 E

  • Comments: Apsidal motion or/and displaced secondary minima, only 26 pe minima.

  • Catalogue numbers: FL3035 BD+333862 HD193637 SA 69850 AN313.1930.

  • 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.
    Baldwin, M. \& Samolyk, G. 1999, AAVSO Obs. minima timings No 5
    Tremko, J., Papousek, J. \& Vetesnik, M. 1979, CoSka, 8, 159
    Williamon, R. M. 1973, AJ, 80, 976

  • 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