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J/AJ/109/618 RR Lyrae Stars in NGC 5053 (Nemec+ 1995)
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B,V Photometry of the RR Lyrae Stars in the Very Metal-Poor Globular Cluster
NGC 5053
Nemec J.M., Mateo M., Schombert J.M.
<Astron. J. 109, 618 (1995)>
=1995AJ....109..618N
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ADC_Keywords: Stars, variable; Clusters, globular; Stars, metal-deficient
Description:
Individual measurements of B and V are presented for ten RR Lyrae stars
in NGC 5053 derived from CCD frames taken on 15 nights between 1985 and 1994.
Estimates of fundamental photometric parameters are presented for the
ten stars, including mean B and V magnitudes, pulsation periods,
pulsation amplitudes, <B>-<V> colors, and period change rates.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 44 75 Photometry of the ab-type RR Lyrae star V1
table2.dat 44 84 Photometry of the c-type RR Lyrae star V2
table3.dat 44 75 Photometry of the ab-type RR Lyrae star V3
table4.dat 44 119 Photometry of the ab-type RR Lyrae star V4
table5.dat 44 15 Photometry of the ab-type RR Lyrae star V5
table6.dat 44 78 Photometry of the c-type RR Lyrae star V6
table7.dat 44 91 Photometry of the c-type RR Lyrae star V7
table8.dat 44 77 Photometry of the c-type RR Lyrae star V8
table9.dat 44 35 Photometry of the ab-type RR Lyrae star V9
table10.dat 44 124 Photometry of the c-type RR Lyrae star V10
table11.dat 123 10 Properties of the RR Lyrae stars in NGC 5053
table1.tex 71 152 TeX (plain) version of Table 1
table2.tex 70 152 TeX (plain) version of Table 2
table3.tex 74 147 TeX (plain) version of Table 3
table4.tex 63 208 TeX (plain) version of Table 4
table5.tex 73 60 TeX (plain) version of Table 5
table6.tex 72 146 TeX (plain) version of Table 6
table7.tex 72 159 TeX (plain) version of Table 7
table8.tex 77 143 TeX (plain) version of Table 8
table9.tex 76 78 TeX (plain) version of Table 9
table10.tex 73 219 TeX (plain) version of Table 10
table11.tex 78 82 TeX (plain) version of Table 11
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Byte-by-byte Description of file: table1.dat table2.dat table3.dat table4.dat
Byte-by-byte Description of file: table5.dat table6.dat
Byte-by-byte Description of file: table7.dat table8.dat table9.dat table10.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Night Observing night number
5- 16 F12.4 d HJD *HJD of midpoint of observation
19- 24 F6.3 mag Vmag []? V magnitude
26- 30 F5.3 mag e_Vmag *[]? Uncertainty in Vmag
33- 38 F6.3 mag Bmag *[]? B magnitude
40- 44 F5.3 mag e_Bmag *[]? Uncertainty in Bmag
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Note on HJD:
The mid-HJD of each exposure was computed using M. Fletcher's (Dominion
Astrophysical Observatory) REDSUN program.
Note on Bmag:
In file table3.dat, night 17, HJD 8416.7570, the B magnitude was
derived from I through a V-I,B-V transformation.
Note on e_Vmag, e_Bmag:
The uncertainties are lower limits since they are the quantities
returned by the photometry programs and do not include the
systematic zero-point uncertainties introduced by the transformation
from instrumental to standard magnitudes.
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Byte-by-byte Description of file: table11.dat
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Bytes Format Units Label Explanations
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1- 3 A3 --- Star Star number, V1 to V10
6- 7 A2 --- l_P [>=] In one case, V10, this is '>='
8-15 F8.6 d P Pulsation period for the current epoch
16-21 F6.2 10-9 Beta ? Period rate change = delta P / delta t
23-24 A2 --- Type Bailey type
25-30 F6.2 mag Bmin B magnitude at minimum light
31-35 F5.2 mag e_Bmin *Uncertainty in Bmin
36-41 F6.2 mag Bmax B magnitude at maximum light
42-46 F5.2 mag e_Bmax *Uncertainty in Bmax
47-52 F6.2 mag AB B amplitude
53-57 F5.2 mag e_AB Uncertainty in AB, based on e_Bmin,e_Bmax
58-63 F6.2 mag Vmin V magnitude at minimum light
64-68 F5.2 mag e_Vmin *Uncertainty in Vmin
69-74 F6.2 mag Vmax V magnitude at maximum light
75-79 F5.2 mag e_Vmax *Uncertainty in Vmax
80-85 F6.2 mag AV V amplitude
86-90 F5.2 mag e_AV Uncertainty in AV, based on e_Vmin,e_Vmax
91-96 F6.2 mag <B> Intensity mean <B> magnitude
97-101 F5.2 mag e_<B> Uncertainty in <B>
102-107 F6.2 mag <V> Intensity mean <V> magnitude
108-112 F5.2 mag e_<V> Uncertainty in <V>
113-118 F6.2 mag <B>-<V> Intensity mean <B>-<V> color
119-123 F5.2 mag e_<B>-<V> Uncertainty in <B>-<V>
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Note on e_Bmin, e_Bmax, e_Vmin, e_Vmax:
Uncertainties in minimum and maximum magnitudes are subjective
estimates based on the number and quality of the observations.
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Origin: AAS CD-ROM series, Volume 4, 1995 Lee Brotzman [ADS] 02-May-1995
(JD completed at CDS)
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(End) [CDS] 11-Jul-1995