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J/AJ/105/980     Stellar content of Tr 14 and Tr 16               (Massey+ 1993)

Massive stars near Eta Carinae: the stellar content of Tr 14 and Tr 16. Massey P., Johnson J. <Astron. J. 105, 980 (1993)> =1993AJ....105..980M
ADC_Keywords: Clusters, open; Photometry, CCD; Cross identifications; Spectroscopy; Spectral types; Reddening Description: The stellar content of the region around η Car is investigated using CCD photometry and spectroscopy. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file catalog.dat 64 768 Photometry and cross-identifications (tables 1 and 2) table4.dat 129 95 The brightest and bluest stars table5.dat 73 19 New Spectral types table6.dat 69 48 Distance & Reddening derived from spectroscopy
Byte-by-byte Description of file: catalog.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Star [1/768]+ Star designation 8- 13 F6.1 pix Xpos [0/1015] Position (positive toward West) 16- 21 F6.1 pix Ypos [0/1015] Position (positive toward North) 25- 29 F5.2 mag Vmag derived from CCD photometry 30- 31 A2 --- u_Vmag [bl: ] Uncertainty notes on V: "bl" indicates a blended image 33- 37 F5.2 mag U-B derived from CCD photometry 38- 39 A2 --- u_U-B [: ] Uncertainty notes on U-B 40- 44 F5.2 mag B-V derived from CCD photometry 45- 46 A2 --- u_B-V [: ] Uncertainty notes on B-V 48- 53 A6 --- Feinstein Designation in clusters Tr 14 and Tr 16 (1973A&AS...12..331F; 1982AJ.....87.1012F) 56- 64 A9 --- Other Other designation (HD or CPD)
Byte-by-byte Description of file: table4.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Star [1/768] Star designation as above 5- 10 F6.1 pix Xpos [0/1015] Position (positive toward West) 12- 17 F6.1 pix Ypos [0/1015] Position (positive toward North) 19- 20 I2 h RAh Right Ascension J2000 (hours) 22- 23 I2 min RAm Right Ascension J2000 (minutes) 25- 29 F5.2 s RAs Right Ascension J2000 (seconds) 31 A1 - DE- Declination J2000 (sign) 32- 33 I2 deg DEd Declination J2000 (degrees) 35- 36 I2 arcmin DEm Declination J2000 (minutes) 38- 41 F4.1 arcsec DEs Declination J2000 (seconds) 45- 49 F5.2 mag Vmag derived from CCD photometry 50- 51 A2 --- u_Vmag [bl] "bl" indicates a blended image 53- 57 F5.2 mag B-V derived from CCD photometry 58- 59 A2 --- u_B-V [: ] 61- 65 F5.2 mag U-B derived from CCD photometry 66- 67 A2 --- u_U-B [: ] 69- 73 F5.2 mag Q Reddening-free parameter = (U-B)-0.72*(B-V) 76- 83 A8 --- Sp(New) Spectral type from this study 85- 95 A11 --- Sp(W) Spectral type from Walborn (1972AJ.....77..312W; 1973ApJ...179..517W; 1973AJ.....78.1067W; 1982AJ.....87.1300W) 100-112 A13 --- Sp(MGL) Spectral type from Morell, Garcia & Levato, 1988PASP..100.1431M 115-129 A15 --- Comment Designations in clusters (Feinstein, 1973A&AS...12..331F and 1982AJ.....87.1012F)
Byte-by-byte Description of file: table5.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Star [1/768] Star designation as above 8- 13 F6.1 pix Xpos [0/1015] Position (positive toward West) 16- 21 F6.1 pix Ypos [0/1015] Position (positive toward North) 25- 29 F5.2 mag Vmag derived from CCD photometry 30- 31 A2 --- u_Vmag [bl: ] "bl" indicates a blended image 33- 37 F5.2 mag B-V derived from CCD photometry 38- 39 A2 --- u_B-V [: ] Uncertainty notes on B-V 42- 46 F5.2 mag U-B derived from CCD photometry 47- 48 A2 --- u_U-B [: ] Uncertainty notes on U-B 51- 55 F5.2 mag Q Reddening-free parameter = (U-B) - 0.72*(B-V) 60- 65 A6 --- Sp(New) Spectral type from this study 68- 73 A6 --- Comment Designations in cluster Tr 14 or Tr 16
Byte-by-byte Description of file: table6.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Star [1/768] Star designation as above 9- 12 F4.2 mag E(B-V) Color excess 17- 20 F4.2 mag E(U-B) Color excess 25- 28 F4.2 --- Ratio Ratio E(U-B)/E(B-V) 33- 40 A8 --- Sp Spectral type 43- 46 F4.2 mag Av Absorption derived from spectral type 50- 54 F5.2 mag V0 Dereddened magnitude derived from spectral type 58- 61 F4.1 mag Mv Absolute magnitude derived from spectral type 66- 69 F4.1 mag m-M Distance modulus derived from spectral type
History: Keypunched at CDS. Tables 1 and 2 have been merged into a single file. * 12-Jul-2001: errors in stars #92, 195, 359 corrected (table4) * 18-Jul-2001: file "catalog.dat", star #195 is Feinstein 16-126 (not 16-125)
(End) James Marcout, Francois Ochsenbein [CDS] 07-Apr-1994
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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