J/A+AS/124/143 Light curves of O and C-rich LPV's (Mennessier+ 1997)
Mean light curves of long-period variables and discrimination
between carbon- and oxygen-rich stars.
Mennessier M.O., Boughaleb H., Mattei J.A.
<Astron. Astrophys. Suppl. Ser. 124, 143 (1997)>
=1997A&AS..124..143M 1997A&AS..124..143M (SIMBAD/NED BibCode)
ADC_Keywords: Stars, variable
Keywords: stars: AGB, post-AGB - methods: data analysis - stars: carbon
stars: variables
Description:
Mira and semiregular variables: mean parameters of light curves from
75 years AAVSO data.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table2 114 355 Mean light curve parameters
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table2
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 8 A8 --- Name Star name from GCVS (Cat. II/172)
13- 15 I3 --- o_Per Number of periods
19- 21 I3 --- o_Max Number of maxima
25- 27 I3 --- o_Min Number of minima
31- 33 I3 --- o_Amp Number of amplitudes
37- 41 F5.1 d Per Mean period (1)
45- 48 F4.2 --- F Mean asymmetry factor (2)
51- 54 F4.1 mag Max Mean magnitude at maximum
58- 61 F4.1 mag Min Mean magnitude at minimum
65- 67 F3.1 mag Amp Mean visual amplitude
71- 75 F5.2 d e_Per Standard deviation of periods
79- 82 F4.2 --- e_F Standard deviation of asymmetry factors
86- 89 F4.2 mag e_Max Standard deviation of maximum magnitudes
93- 96 F4.2 mag e_Min Standard deviation of minimum magnitudes
100-103 F4.2 mag e_Amp Standard deviation of amplitudes
107-109 A3 --- Vtype Variability type (GCVS, Cat. II/172)
113-114 A2 --- SpType Brief spectral type (GCVS, Cat. II/172)
--------------------------------------------------------------------------------
Note (1): According to the available data, the period of R Aql has decreased
from 334 to 278 days over a 73 years interval
Note (2): Asymmetry factor: ratio of the increasing time (from minimum to the
following maximum) to the period
--------------------------------------------------------------------------------
Acknowledgements: Marie Odile Menessier
(End) Patricia Bauer [CDS] 25-Nov-1996