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. =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. =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. =1999PAZh...25..711A (1999AstL...25..615A) ================================================================================ ADC_Keywords: Stars, peculiar ; Photometry, UBVRI ; Planetary nebulae 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 files: 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