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J/A+AS/114/489 UBVRI CCD photometry of Cepheus OB3 (Jordi+, 1995)
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UBVRI-CCD photometry of Cepheus OB3 association
Jordi C., Galadi-Enriquez D., Trullols E., Lahulla F.
<Astron. Astrophys. Suppl. Ser. 114, 489 (1995)>
=1995A&AS..114..489J (SIMBAD/NED BibCode)
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ADC_Keywords: Associations, stellar; Photometry, UBVRI
Keywords: open clusters and associations: individual: Cepheus OB3 -
stars: general - techniques: photometric -
instrumentation: detectors
Description:
Johnson CCD photometry was performed in the two subgroups of the
association Cepheus OB3, for selected fields each containing at least
one star with previous UBV photoelectric photometry. Photometry for
about 1000 stars down to visual magnitude 21 is provided, although the
completeness tests show that the sample is complete down to V=19mag.
Individual errors were assigned to the magnitude and colours for each
star. Colour-colour and colour-magnitude diagrams are shown.
Astrometric positions of the stars are also given. Description of the
reduction procedure is fully detailed.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table5 96 1056 UBVRI photometry
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Byte-by-byte Description of file: table5
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Bytes Format Units Label Explanations
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2- 10 A9 --- Star Star identification
12- 18 F7.3 pix Xpos X position
20- 26 F7.3 pix Ypos Y position
28- 29 I2 h RAh Right ascension J2000.0
31- 32 I2 min RAm Right ascension J2000.0
34- 37 F4.1 s RAs Right ascension J2000.0
39 A1 --- DE- Declination sign
40- 41 I2 deg DEd Declination J2000.0
43- 44 I2 arcmin DEm Declination J2000.0
46- 47 I2 arcsec DEs Declination J2000.0
49- 53 F5.2 mag Vmag V magnitude
55- 57 F3.2 mag e_Vmag Error on V magnitude
59- 62 F4.2 mag B-V []? B-V colour index
64- 66 F3.2 mag e_B-V []? Error on B-V
68- 71 F4.2 mag U-B []? U-B colour index
73- 75 F3.2 mag e_U-B []? Error on U-B
77- 80 F4.2 mag V-R []? V-R colour index
82- 84 F3.2 mag e_V-R []? Error on V-R
86- 89 F4.2 mag V-I []? V-I colour index
91- 93 F3.2 mag e_V-I []? Error on V-I
95- 96 A2 --- n_Star Notes (1)
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Note (1): a: Stars cross-identified with other catalogues:
Star BHJ GSC PPM BD SAO HD HIC
--------- ---- --------- ----- -------- ----- ------ -----
BHJ11-017 11 428200996 24019 +61 2357 20289
BHJ15-019 15ft
BHJ20-012 17ft 428200959
BHJ20-016 17br 428200930
BHJ20-056 20 428200941 24036 +61 2364 20305 216711 113065
BHJ20-086 428200454
BHJ23-039 428200339
BHJ23-042 428200701
BHJ23-067 23 428200989
BHJ24-044 24 428200710 24049 +61 2366 20316
BHJ24-052 428200429
BHJ25-052 25 428200544
BHJ27-035 428200695
BHJ27-048 27 428200501
BHJ27-051 428200456
BHJ28-078 28 428200488
BHJ30-014 428200393
BHJ30-034 30 428200795 24057 +61 2369 20322
BHJ34-011 428200319
BHJ34-019 33ft 428200563
BHJ34-020 33br 428200551
BHJ40-111 40 428200933 24072 +61 2372 20334 217061 113301
BHJ40-130 428200556
BHJ43-009 428200895
BHJ43-011 43 428200844 24083 +61 2374 20341 217174
BHJ44-038 428200293
BHJ44-089 44br 428200415 24088 +62 2142 20346
BHJ44-093 44ft 428200704
BHJ54-016 54 428200548 24108 +62 2152 20358 217463 113538
BHJ64-022 428200390 24121 +61 2381 20366
BHJ64-031 64 428200659 24124 +61 2382 20370 113680
BHJ65-022 65 +62 2158
BHJ70-031 428201038
BHJ70-041 428201017
BHJ70-081 428200778
BHJ70-086 70 428200449 24169 +62 2166 20406
BHJ80-006 80 428200072 24211 +61 2396 20440 114225
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b: The positions for the stars in this field were calculated taking
as origin BHJ15br (PPM24029, BD+61 2361, SAO20299, HD216629,
HIC113017).
Its frame coordinates are x=289.059 y=479.793, and the J2000
equatorial coordinates taken from PPM catalogue alpha=22h53m15.63s,
delta=+62deg 08' 44.76". It was not obtained V magnitude for BHJ15br
and, thus, we can not give photometry for this star.
c: The only positional information found for stars in this field comes
from the cross-identification BHJ65 = BD+62 2158 (alpha(B1950)=23h
00.1m, delta(B1950)=+62deg33'). The resulting absolute positions
accuracy is, so, not better than 1'.
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(End) Simona Mei [CDS] 07-Jul-1995