J/A+AS/128/309 ubvy-beta photometry of CarOB1 and CarOB2 stars (Kaltcheva 1998)
Stroemgren and Hβ photometry of OB stars in the region of the
Carina Spiral Feature
Kaltcheva N.T.
<Astron. Astrophys. Suppl. Ser. 128, 309 (1998)>
=1998A&AS..128..309K 1998A&AS..128..309K (SIMBAD/NED BibCode)
ADC_Keywords: Stars, OB ; Photometry, uvby, beta ; Associations, stellar
Keywords: stars: early-type - stars: distances - Galaxy: structure -
stars: HR diagram
Abstract:
Stromgren and Hβ photometry of 130 stars in the Carina section of
the Milky Way is presented. The color excesses and the distances of
all stars are obtained. A good agreement is found between the CM and
HR diagrams and the spatial distribution of these stars.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1a.dat 42 50 Stromgren and Hβ data for 50 stars in
Carina OB1 field.
table1b.dat 42 80 Stromgren and Hβ data for 80 stars in
Carina OB2 field.
table2a.dat 79 50 Car OB1 - derived quantities
table2b.dat 79 80 Car OB2 field - derived quantities
table4.dat 78 14 Other stars with Stromgren and Hβ photometry
in the same fields.
table5.dat 66 14 Stars with UBV Hβ photometry in the same fields
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Byte-by-byte Description of file: table1a.dat table1b.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD HD (Cat. III/135) number
7- 8 A2 --- m_HD Multiplicity index on HD
10- 15 F6.3 mag Vmag V magnitude
17- 22 F6.3 mag b-y b-y colour index
24- 29 F6.3 mag m1 m1 colour index
31- 36 F6.3 mag c1 c1 colour index
38- 42 F5.3 mag beta Hβ colour index
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Byte-by-byte Description of file: table2a.dat table2b.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD HD number
7- 8 A2 --- m_HD Multiplicity index on HD
10- 21 A12 --- SpType MK type, remark
24- 29 F6.3 mag (b-y)0 Derredened b-y colour
32- 36 F5.3 mag m0 Derredened m0 colour index
38- 43 F6.3 mag c0 Derredened c0 colour index
46- 50 F5.3 mag E(b-y) Interstellar extinction
53- 57 F5.3 mag V0 Derredened V magnitude
60- 65 F6.3 mag Mv ? Absolute V magnitude
66 A1 --- u_Mv Uncertainty flag on Mv
68- 72 F5.2 mag V0-Mv ? Distance modulus
73 A1 --- u_V0-Mv Uncertainty flag on V0-Mv
75- 78 I4 pc r ? Distance
79 A1 --- u_r Uncertainty flag on r
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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- 6 I6 --- HD Hd number
8- 13 A6 --- Field Field (CarOB1 or Car OB2)
15- 22 A8 --- SpType MK type
25- 27 A3 --- Ref Reference (1)
29- 34 F6.3 mag (b-y)0 Deredenned b-y colour
36- 40 F5.3 mag m0 Deredenned m1 colour
42- 47 F6.3 mag c0 Deredenned c1 colour
49- 53 F5.3 mag E(b-y) Interstellar extinction
55- 59 F5.3 mag V0 Deredenned V magnitude
61- 66 F6.3 mag Mv Absolute V magnitude
68- 73 F6.3 mag V0-Mv Distance modulus
75- 78 I4 pc r Distance
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Note (1): K&W: Kilkenny D. & Whittet D., 1985MNRAS.216..127K 1985MNRAS.216..127K
Z: Zhang E.-Ho., 1983AJ.....88..825Z 1983AJ.....88..825Z
G&O: Gray & Olsen E., 1991A&AS...87..541G 1991A&AS...87..541G
K: Knude J. 1992, Cat. J/A+AS/92/841
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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- 6 I6 --- HD HD name
8- 13 A6 --- Field Fields (CarOB1 or CarOB2)
15- 20 F6.3 mag Vmag V magnitude
22- 26 F5.3 mag beta ? Hβ colour index
28- 34 A7 --- SpType MK spectral classification
36- 41 F6.3 mag B-V ? B-V colour index
43- 48 F6.3 mag Mv ? Absolute V magnitude
49 A1 --- u_Mv Uncertainty flag on Mv
51- 55 F5.3 mag E(b-y) ? Interstellar extinction
57- 61 F5.2 mag V0-Mv ? Distance modulus
63- 66 I4 pc r ? Distance
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Acknowledgements: Nadia Kaltcheva
(End) Patricia Bauer [CDS] 21-Oct-1997