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U HER

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
    17 17 19.5679
    +33 06 00.361
    4.80
    0.8
    0.1
    B3III
    B5III
    -0.17
    EA/SD

  • Statistics of collected times of minima
    • Total
    number
    Type
    Method
    Years
    Pri
    Sec
    Vi
    P
    Pg
    Pe
    Ccd
    Other
    88
    68
    20
    26
    0
    21
    41
    0
    0
    1875-1995

  • 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 2405830.0383 + 2.05102655 E

  • Comments: (u_ Her) Only pe minima after JD 2422191.

  • Catalogue numbers: FL2139 BD+33 2864 HD156633 HR 6431 ADS10449A SA 65913 68 Her.

  • 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.
    (u_Her) Guarnieri, A., Bonifazi, A. \& Battistini, P. 1975, A\&AS, 20, 199
    Kreiner, J. M. \& Ziolkowski, J. 1978, AcA, 28, 497
    Rovithis, P. \& Rovithis-Livaniou, H. 1980, Ap\&SS, 70, 483
    Simon, V. 1999, A\&AS, 134, 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