1997A&A...324L..61R

Query : 1997A&A...324L..61R

1997A&A...324L..61R - Astronomy and Astrophysics, volume 324L61-64 (1997/8-3)

Short-term variability in comet C/1995 O1 Hale-Bopp.

RODRIGUEZ E., ORTIZ J.L., LOPEZ-GONZALEZ M.J., ROLLAND A., HOBART M.A., SANCHEZ-BLANCO E., GUTIERREZ P.J. and LOPEZ-MORENO J.J.

Abstract (from CDS):

Simultaneous uvby Stroemgren photometric observations of the comet Hale-Bopp have been collected during nearly three weeks. The Fourier transform method has been used to analyse the periodicities in luminosity present in this comet. Two different periodicities have been found: a long period of 7.19 days and a shorter one of 5.5 hours. The 5.5-hour periodicity may correspond to a full rotation of 11 hours whereas the 7.19-day periodicity could be related with the precession period. Other possibilities are discussed.

Abstract Copyright: ∼

Journal keyword(s): comets: individual: Hale-Bopp - techniques: photometric

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 * nu. Cyg ** 20 57 10.4187305125 +41 10 01.671428052 3.96 3.96 3.94 3.89 3.89 A0IIIn 163 0
2 * ksi Cyg SB* 21 04 55.8599363125 +43 55 40.272058234 7.17 5.39 3.73 2.55 1.63 K4.5Ib-II 324 0
3 * tau Cyg dS* 21 14 47.49252 +38 02 43.1441 4.140 4.120 3.730 3.38 3.14 F2IV 287 0
4 * pi. Peg RG* 22 09 59.2430193207 +33 10 41.600399246 4.93 4.75 4.29 3.90 3.63 F5II-III_sh 140 0
5 HD 210889 PM* 22 12 47.8242890424 +34 36 16.527575880   6.482 5.343     K2-IIIb 73 0
6 * 1 Lac V* 22 15 58.1768995862 +37 44 55.446825079 7.24 5.61 4.15 3.15 2.43 K3-II-III 113 0

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