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J/PASP/118/1104    M48 (NGC 2548) BATC photometry and membership   (Wu+, 2006)

Membership determination of open cluster M48 based on BATC 13-Band photometry. Wu Z.-Y., Zhou X., Ma J., Jiang Z.-J., Chen J.-S. <Publ. Astron. Soc. Pac., 118, 1104-1111 (2006)> =2006PASP..118.1104W
ADC_Keywords: Clusters, open ; Photometry Abstract: Beijing-Arizona-Taiwan-Connecticut (BATC) multiband photometric data in the field of open cluster M48 are used to determine its membership. By comparing observed spectral energy distributions of M48 stars with theoretical ones, membership probabilities of 750 stars with limiting magnitudes of 15.0 in the BATC c band (λeff=4194Å) are determined. We find 323 stars with membership probabilities higher than 30% that are considered to be candidate members of M48. Comparing membership probabilities of 229 stars obtained in common between the present method and proper-motion-based methods, an 80% agreement among these methods is obtained Objects: ----------------------------------------- RA (2000) DE Designation(s) ----------------------------------------- 08 13.7 -05 45 M 48 = NGC 2548 ----------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 205 82 Member Stars Determined by both the present SED method and the proper-motion based methods table2.dat 205 250 Member Stars Determined only by the present SED method table3.dat 205 15 Field Stars Determined by the present SED method but considered as member stars by the proper-motion based methods
See also: II/262 : BATC Data Release One - BATC DR1 (Zhou+ 1995-2005) J/A+A/381/464 : Proper motions and membership in NGC 2548 (Wu+, 2002) J/AJ/127/2210 : u'g'r'i'z' photometry in NGC 2548 (M48) (Rider+, 2004) J/A+A/437/457 : NGC 2548 uvbyHβ and proper motions (Balaguer-Nunez+, 2005) Byte-by-byte Description of file: table1.dat table2.dat table3.dat
Bytes Format Units Label Explanations
1- 4 I4 --- Seq Sequential number, Cl* NGC 2548 WZM NNNN in Simbad 6- 11 F6.3 mag cmag BATC c magnitude (419.35nm) 13- 18 F6.3 mag dmag ?=- BATC d magnitude (454.00nm) 20- 25 F6.3 mag emag ?=- BATC e magnitude (492.50nm) 27- 32 F6.3 mag fmag ?=- BATC f magnitude (526.68nm) 34- 39 F6.3 mag gmag ?=- BATC g magnitude (578.99nm) 41- 46 F6.3 mag hmag ?=- BATC h magnitude (607.39nm) 48- 53 F6.3 mag imag ?=- BATC i magnitude (665.59nm) 55- 60 F6.3 mag jmag ?=- BATC j magnitude (705.74nm) 62- 67 F6.3 mag kmag ?=- BATC k magnitude (754.63nm) 69- 74 F6.3 mag mmag ?=- BATC m magnitude (802.32nm) 76- 81 F6.3 mag nmag ?=- BATC n magnitude (848.43nm) 83- 88 F6.3 mag omag ?=- BATC o magnitude (918.22nm) 90- 95 F6.3 mag pmag ?=- BATC p magnitude (973.85nm) 97-100 F4.2 --- P-SED Membership probability from SED method 102-105 F4.2 --- P-W Membership probability from Wu et al. (2002A&A...381..464W) method 107-110 F4.2 --- P-B Membership probability from Balaguez-Nunez et al. (2005, Cat. J/A+A/437/457) method 112-114 I3 --- WTB ?=0 Number in Wu et al. (2002A&A...381..464W) Cl* NGC 2548 WTB NNN in Simbad 116-121 F6.4 mag e_cmag rms uncertainty on cmag 123-128 F6.4 mag e_dmag ?=- rms uncertainty on dmag 130-135 F6.4 mag e_emag ?=- rms uncertainty on emag 137-142 F6.4 mag e_fmag ?=- rms uncertainty on fmag 144-149 F6.4 mag e_gmag ?=- rms uncertainty on gmag 151-156 F6.4 mag e_hmag ?=- rms uncertainty on hmag 158-163 F6.4 mag e_imag ?=- rms uncertainty on imag 165-170 F6.4 mag e_jmag ?=- rms uncertainty on jmag 172-177 F6.4 mag e_kmag ?=- rms uncertainty on kmag 179-184 F6.4 mag e_mmag ?=- rms uncertainty on mmag 186-191 F6.4 mag e_nmag ?=- rms uncertainty on nmag 193-198 F6.4 mag e_omag ?=- rms uncertainty on omag 200-205 F6.4 mag e_pmag ?=- rms uncertainty on pmag
History: From electronic version of the journal References: Wu et al., Paper I 2005PASP..117...32W
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 11-Jan-2008
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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