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J/PASP/117/1325          BVRI photometry in NGC4147             (Stetson+, 2005)

Homogeneous photometry. V. The globular cluster NGC 4147. Stetson P.B., Catelan M., Smith H.A. <Publ. Astron. Soc. Pac., 117, 1325-1361 (2005)> =2005PASP..117.1325S
ADC_Keywords: Clusters, globular ; Photometry, UBVRI ; Stars, variable Abstract: New BVRI broadband photometry and astrometry are presented for the globular cluster NGC 4147, based upon measurements derived from 524 ground-based CCD images mostly either donated by colleagues or retrieved from public archives. We have also reanalyzed five exposures of the cluster obtained with WFPC2 on the Hubble Space Telescope in the F439W and F555W (B and V) filters. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table23.dat 93 91 Photometric transfer sequence for NGC 4147 WFPC2 data: astrometry and photometry table7.dat 55 26 NGC 4147: astrometry for variable candidates and possible constant stars near the instability strip table89.dat 101 18 NGC 4147: best periods, mean magnitudes and colors for variable candidates
See also: J/PASP/115/413 : BVI photometry in the open cluster NGC 6791 (Stetson+, 2003) J/PASP/110/533 : BR photometry of Fornax bright stars (Stetson+ 1998) Byte-by-byte Description of file: table23.dat
Bytes Format Units Label Explanations
1- 4 I4 --- ID Object identification (G1) 6- 11 F6.1 arcsec Xpos X position (1) 13- 17 F5.1 arcsec Ypos Y position (1) 19- 20 I2 h RAh Hour of Right Ascension (J2000.0) 22- 23 I2 min RAm Minute of Right Ascension (J2000.0) 25- 29 F5.2 s RAs Second of Right Ascension (J2000.0) 31 A1 --- DE- Sign of the Declination (J2000.0) 32- 33 I2 deg DEd Degree of Declination (J2000.0) 35- 36 I2 arcmin DEm Arcminute of Declination (J2000.0) 38- 41 F4.1 arcsec DEs Arcsecond of Declination (J2000.0) 43- 48 F6.3 mag <Vmag> Mean V magnitude (Johnson-Cousins system) 50- 54 F5.3 mag e_<Vmag> Error in <Vmag> 56- 61 F6.3 mag <Bmag> Mean B magnitude (Johnson-Cousins system) 63- 67 F5.3 mag e_<Bmag> Error in <Bmag> 69- 74 F6.3 mag DelV Photometric residual in V band (2) 76- 80 F5.3 mag e_DelV Error in DelV 82- 87 F6.3 mag DelB Photometric residual in B band (2) 89- 93 F5.3 mag e_DelB Error in DelB
Note (1): Centered on coordinates 12 10 13.79 +18 31 22.4 (J2000.0) Note (2): Photometric residuals, in the sense of ground-based minus WFPC2, between our calibrated ground-based V-band photometry and our WFPC2 V-band photometry (in Johnson-Cousins system)
Byte-by-byte Description of file: table7.dat
Bytes Format Units Label Explanations
1- 3 A3 --- ID Object identification (G1) 5- 6 I2 h RAh Hour of Right Ascension (J2000.0) 8- 9 I2 min RAm Minute of Right Ascension (J2000.0) 11- 15 F5.2 s RAs Second of Right Ascension (J2000.0) 17 A1 --- DE- Sign of the Declination (J2000.0) 18- 19 I2 deg DEd Degree of Declination (J2000.0) 21- 22 I2 arcmin DEm Arcminute of Declination (J2000.0) 24- 27 F4.1 arcsec DEs Arcsecond of Declination (J2000.0) 29- 34 F6.1 arcsec Xpos X position (1) 36- 41 F6.1 arcsec Ypos Y position (1) 43- 48 F6.1 arcsec DelX Differential position DeltaX (2) 50- 55 F6.1 arcsec DelY Differential position DeltaY (2)
Note (1): The star's rectilinear coordinates, in units of arcseconds, with X increasing east and Y increasing north, relative to our adopted reference point of 12 10 13.79 +18 31 22.4 (J2000.0). Note (2): The star's differential position with respect to our best estimate of the cluster center: (-106.0, +71.0) in our (X, Y) coordinate system, or 12 10 06.34 +18 32 33.4 (J2000.0)
Byte-by-byte Description of file: table89.dat
Bytes Format Units Label Explanations
1- 3 A3 --- ID Object identification (G1) 5- 11 F7.5 d Per1 ? Period from Newburn (1957AJ.....62..197N) 12 A1 --- u_Per1 [:] Uncertainty flag on Per1 14- 21 F8.6 d Per2 ? Period from Mannino (1957MmSAI..28..285M) 22 A1 --- n_Per3 [N] not variable in 2004RMxAA..40..209A 23- 29 F7.5 d Per3 ? Period from Arellano Ferro et al., (2004RMxAA..40..209A) 30 A1 --- n_Per [N] not variable in this study 31- 39 F9.7 d Per ? Period obtained in this study 40 A1 --- n_Per4 [N] not variable in modern data 41- 49 F9.7 d Per4 ? Period (modern data) 50 A1 --- n_Per5 [N] not variable in older data 51- 57 F7.5 d Per5 ? Period (older data) 59- 63 F5.2 mag <Bmag> ? Mean B magnitude (Johnson-Cousins system) 65- 69 F5.2 mag <Vmag> ? Mean V magnitude (Johnson-Cousins system) 71- 75 F5.2 mag <Rcmag> ? Mean Rc magnitude (Johnson-Cousins system) 77- 81 F5.2 mag <Icmag> ? Mean Ic magnitude (Johnson-Cousins system) 83- 86 F4.2 mag <B>-<Ic> ? <B>-<Ic> color index (Johnson-Cousins system) 88- 91 F4.2 mag <B>-<V> ? <B>-<V> color index (Johnson-Cousins system) 93- 96 F4.2 mag <V>-<Rc> ? <V>-<Rc> color index (Johnson-Cousins system) 98-101 F4.2 mag <V>-<Ic> ? <V>-<Ic> color index (Johnson-Cousins system)
Global Notes: Note (G1): NNNN are Cl* NGC 4147 SCS NNNN in Simbad CN are Cl* NGC 4147 SCS CN in Simbad VNN are Cl* NGC 4147 SAW VNN in Simbad
History: From electronic version of the journal References: Stetson et al., Paper I 1998PASP..110..533S, Cat. J/PASP/110/533 Stetson, Paper II 2000PASP..112..925S Stetson et al., Paper III 2003PASP..115..413S, Cat. J/PASP/115/413 Stetson, Paper IV 2005PASP..117..563S
(End) Marianne Brouty [CDS] 26-Oct-2006
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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