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J/AJ/106/181 CCD photometry of open cluster M67 (Montgomery+ 1993)
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CCD photometry of the old open cluster M67
Montgomery K.A., Marschall L.A., Janes K.A.
<Astron. J. 106, 181 (1993)>
=1993AJ....106..181M
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ADC_Keywords: Clusters, open; Photometry, CCD; Photometry, UBVRI;
Cross identifications
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table3.dat 140 1470 Photometry in M67
table4.dat 68 48 Bright stars
table5.dat 26 308 Sanders to MMJ cross-identification
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See also:
II/123 : UBV Photometry of Faint Stars (V>14.5) in M67 (Frolov+ 1986)
V/52 : Photometry and Proper Motions of stars in M67 (Frolov+ 1986)
J/A+AS/100/243 : Proper motions in M 67 (Zhao+ 1993)
J/AJ/112/628 : Deep Wide-Field Spectrophotometry of M67 (Fan+ 1996)
J/other/BaltA/7.369 : M67 CCD photometry (Boyle+, 1998)
Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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2- 5 I4 --- MMJ Star number in M67
6 A1 --- n_MMJ [)*] Note as
) = bright star
* = star which falls on the photometric
binary sequence in the color-magnitude
diagram
9- 10 I2 h RAh Right Ascension 1950 (hours)
12- 13 I2 min RAm Right Ascension 1950 (minutes)
15- 19 F5.2 s RAs Right Ascension 1950 (seconds)
21 A1 - DE- Declination 1950 (sign)
22- 23 I2 deg DEd Declination 1950 (degrees)
25- 26 I2 arcmin DEm Declination 1950 (minutes)
28- 31 F4.1 arcsec DEs Declination 1950 (seconds)
33- 38 F6.3 mag Vmag on Johnson system
40- 45 F6.3 mag B-V
47- 52 F6.3 mag U-B []?
54- 59 F6.3 mag V-R []?
61- 66 F6.3 mag V-I []?
68- 72 F5.3 mag e_Vmag Mean error on V
74- 78 F5.3 mag e_(B-V) Mean error on B-V
80- 84 F5.3 mag e_(U-B) Mean error on U-B
86- 90 F5.3 mag e_(V-R) Mean error on V-R
92- 96 F5.3 mag e_(V-I) Mean error on V-I
98-101 F4.2 pix e_pos Mean error on the position
103-104 I2 --- o_V Number of observations on V
106-107 I2 --- o_(B-V) Number of observations on B-V
109-110 I2 --- o_(U-B) Number of observations on U-B
112-113 I2 --- o_(V-R) Number of observations on V-R
115-116 I2 --- o_(V-I) Number of observations on V-I
118-140 A23 --- Refs Cross-references (1)
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Note (1):
the first number corresponds to Sanders (1977, A & AS, 27, 89)
numbers preceded with a roman numeral are from Eggen and Sandage
(1964, ApJ, 140, 130)
numbers preceded with an F are from Fagerholm (1906)
numbers preceded with a G refer to Gilliland et al. (1991, AJ, 101, 541)
and the table 4 reference is to stars brighter than 12th magnitude
with the source of the photometry given in table 4.
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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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2- 5 I4 --- MMJ Star number in M67
7- 8 I2 h RAh Right Ascension 1950 (hours)
10- 11 I2 min RAm Right Ascension 1950 (minutes)
13- 17 F5.2 s RAs Right Ascension 1950 (seconds)
19 A1 - DE- Declination 1950 (sign)
20- 21 I2 deg DEd Declination 1950 (degrees)
23- 24 I2 arcmin DEm Declination 1950 (minutes)
26- 29 F4.1 arcsec DEs Declination 1950 (seconds)
33- 38 F6.3 mag V on Johnson system
42- 47 F6.3 mag B-V
51- 56 F6.3 mag V-I []?
60- 61 A2 --- r_BVI Source of photometry:
ES is Eggen and Sandage (1964ApJ...140..130E)
JS is Janes and Smith (1984AJ.....89..487J)
G is Gilliland et al. (1991AJ....101..541G)
M is Murray et al. (Roy. Obs. Bull. No. 91)
S is Sanders (1989RMxAA..17...31S)
65- 68 I4 --- Sanders Sanders' number (1977A&AS...27...89S)
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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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2- 6 A5 --- Sanders' number (1977A&AS...27...89S)
8- 11 I4 --- MMJ number as in Table 3
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Historical notes:
The declination of star MMJ 6470 (tables 3 and 4) was corrected
(communication with Kent Montgomery, kent@hyades.bu.edu)
Courtesy Kent Montgomery.
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(End) Francois Ochsenbein [CDS] 22-Dec-1993