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 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 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 1999PAZh...25..711A (1999AstL...25..615A 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:
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RA (2000) DE Designation(s)
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17 52 32.8 -17 41 08 V4334 Sgr = Sakurai's object
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table.dat 63 111 Photometry of V4334 Sgr = Sakurai's object
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Byte-by-byte Description of files: table.dat
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Bytes Format Units Label Explanations
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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
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(End) Veta Avedisova [INASAN] 29-Mar-2000