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Z DRA

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
    11 45 29.2103
    +72 14 58.338
    10.59
    2.2
    0.1
    A5
    -
    0.38
    EA

  • Statistics of collected times of minima
    • Total
    number
    Type
    Method
    Years
    Pri
    Sec
    Vi
    P
    Pg
    Pe
    Ccd
    Other
    533
    533
    0
    487
    2
    37
    4
    2
    1
    1899-1999

  • 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 2443499.730 + 1.35743190 E

  • Comments: Only pe minima after JD 2437840.

  • Catalogue numbers: FL1362 BD+730533 AN4.1903.

  • 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. 1997, AAVSO Obs. minima timings No 4
    Frieboes-Conde, H. \& Herczeg, T. 1973, A\&AS, 12, 1

  • 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