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 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:
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FileName Lrecl Records Explanations
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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
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Byte-by-byte Description of file: catalog.dat
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Bytes Format Units Label Explanations
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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 1973A&AS...12..331F; 1982AJ.....87.1012F 1982AJ.....87.1012F)
56- 64 A9 --- Other Other designation (HD or CPD)
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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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 1972AJ.....77..312W; 1973ApJ...179..517W 1973ApJ...179..517W;
1973AJ.....78.1067W 1973AJ.....78.1067W; 1982AJ.....87.1300W 1982AJ.....87.1300W)
100-112 A13 --- Sp(MGL) Spectral type from Morell, Garcia & Levato,
1988PASP..100.1431M 1988PASP..100.1431M
115-129 A15 --- Comment Designations in clusters (Feinstein,
1973A&AS...12..331F 1973A&AS...12..331F and 1982AJ.....87.1012F 1982AJ.....87.1012F)
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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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
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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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
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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