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II/229             Sakurai's object (V4334 Sgr) in 1996-1998   (Arkhipova+ 1999)
UBV photometry of Sakurai's object in 1996 and remarks about its evolutionary
status.
    Arkhipova V.P., Noskova R.I.
   <Pis'ma Astron. Zh. 23, 709 (1997)>
   =1997PAZh...23..709A
Observations of Sakurai's object (V4334 Sgr) in 1997 and its evolution
in 1996-1997.
    Arkhipova V.P., Esipov V.F., Noskova R.I., Sokol G.V., Tatarnikov A.M.,
    Shenavrin V.I., Yudin B.F., Munary U., Rejkuba M.
   <Pis'ma Astron. Zh. 24, 297 (1998)>
   =1998PAZh...24..297A

Sakurai's object (V4334 Sgr) in 1998: The R CrB phase has set in.
    Arkhipova V.P., Noskova R.I., Esipov V.F., Sokol G.V.
   <Pis'ma Astron. Zh. 25, 711 (1999)>
   =1999PAZh...25..711A  (1999AstL...25..615A)
ADC_Keywords: Stars, peculiar ; Photometry, UBVRI ; Nebulae, planetary


Abstract:
    The photometric UBV observations of V4334 Sgr during 1996-1998 are
    presented. V4334 Sgr is the nucleus of a planetary nebula during the
    last helium flash of the shell source and it entered the R CrB phase.
Object:
    ----------------------------------------------------------
       RA   (2000)   DE        Designation(s)
    ----------------------------------------------------------
    17 52 32.8   -17 41 08     V4334 Sgr = Sakurai's object
    ----------------------------------------------------------

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table.dat         63      111   Photometry of V4334 Sgr = Sakurai's object


Byte-by-byte Description of file: table.dat

   Bytes Format   Units   Label     Explanations

   1- 11  F11.3   d       JD        Julian date
  15- 19  F5.2    mag     Vmag      V magnitude
  22- 26  F5.2    mag     Bmag      ? B magnitude
  29- 33  F5.2    mag     Umag      ? U magnitude
  36- 39  F4.2    mag     B-V       ? B-V color
  42- 45  F4.2    mag     U-B       ? U-B color
  48- 51  F4.2    mag     V-R       ? V-R color
  54- 57  F4.2    mag     V-I       ? V-I color
  61- 63  A3      ---     Phot      Photometer type: UBV and CCD

(End)                                    Veta Avedisova [INASAN]     29-Mar-2000