J/AJ/137/3743 Spectroscopic binary orbits in NGC 188 (Geller+, 2009)
WIYN open cluster study. XXXVI. Spectroscopic binary orbits in NGC 188.
Geller A.M., Mathieu R.D., Harris H.C., McClure R.D.
<Astron. J., 137, 3743-3760 (2009)>
=2009AJ....137.3743G 2009AJ....137.3743G
ADC_Keywords: Clusters, open ; Stars, blue ; Radial velocities
Keywords: open clusters and associations: individual (NGC 188) -
binaries: spectroscopic - blue stragglers
Abstract:
We present 98 spectroscopic binary orbits resulting from our ongoing
radial velocity survey of the old (7Gyr) open cluster NGC 188.
Description:
As explained in Paper I (von Hippel & Sarajedini,
1998AJ....116.1789V 1998AJ....116.1789V), our full RV database is composed of two data
sets, one from WIYN8 and one from the Dominion Astrophysical
Observatory (DAO).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
stars.dat 72 1108 Studied stars (data from from Platais 2002,
Cat. J/AJ/126/2922).
table1.dat 59 9166 Radial-velocity data table
table2.dat 140 70 Orbital parameters for NGC 188 single-lined binaries
table6.dat 140 2 Orbital parameters for 5015a and 5015b
table7.dat 140 11 Orbital parameters for Field single-lined binaries
table4.dat 177 15 Orbital parameters for NGC 188 double-lined binaries
table8.dat 177 2 Orbital parameters for Field double-lined binaries
table3.dat 46 57 Physical properties of NGC 188 single-lined binaries
table5.dat 46 13 Physical properties of NGC 188 double-lined binaries
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See also:
J/AJ/124/601 : Absolute positions & proper motions in NGC 188 (Platais+, 2002)
J/AJ/126/2922 : Astrometry and membership in NGC 188 (Platais+, 2003)
J/AJ/135/2264 : Stellar radial velocities in NGC 188 (Geller+, 2008)
Byte-by-byte Description of file: stars.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- PKM Object identifier, Cl* NGC 188 PKM NNNN (1)
6- 15 F10.7 deg RAdeg ? Right Ascension ICRS, Ep=J2000
17- 26 F10.7 deg DEdeg ? Declination ICRS, Ep=J2000
28- 33 F6.2 mas/yr pmRA ? Proper motion in Right Ascension
(multiplied by cos(DE))
35- 40 F6.2 mas/yr pmDE ? Proper motion in declination
42- 45 F4.2 mas/yr e_pmRA ? Standard error in pmRA
47- 50 F4.2 mas/yr e_pmDE ? Standard error in pmDE
52- 53 I2 % Mm ? Membership probability from proper motion
55- 60 F6.3 mag Vmag ? CCD V-band magnitude
62- 67 F6.3 mag B-V ? CCD (B-V) color index
69- 72 I4 --- Nobs Number of velocity measurements in table1.dat
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Note (1): positions, proper motions and memberships from Platais catalog
(J/AJ/124/601/table3.dat). 2 stars studied here are not known in
Platais catalog: PKM#1108 and #1729.
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- PKM Source identification number (G1)
5 A1 --- m_PKM [ab] multiplicity index on PKM
7- 17 F11.3 d HJD Heliocentric Julian Date
19 A1 --- Tel Telescope code (1)
21- 26 F6.1 km/s RV1 Primary radial velocity
28- 31 F4.2 --- CH1 ? Primary cross-correlation peak height
33- 36 F4.1 km/s (O-C)1 ? Primary residual (O-C) value
38- 43 F6.1 km/s RV2 ? Secondary radial velocity
45- 48 F4.2 --- CH2 ? Secondary cross-correlation peak height
50- 53 F4.1 km/s (O-C)2 ? Secondary residual (O-C) value
55- 59 F5.3 --- Phase ? Orbital phase
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Note (1): Telescope code as follows:
W = WIYN 3.5m.
D = Dominion Astrophysical Observatory 1.2m.
P = Palomar 5m.
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Byte-by-byte Description of file: table2.dat table6.dat table7.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- PKM Source identification number (G1)
5 A1 --- m_PKM [ab] Multiplicity index
6 A1 --- n_PKM [*] Poor phase coverage (1)
7- 16 F10.5 d Per Orbital period
18- 22 F5.1 --- Ncyc ?=- Number of cycles observed (not in table6)
25- 30 F6.2 km/s gamma Centre-of-mass radial velocity, γ
32- 36 F5.2 km/s K Orbital amplitude
38- 42 F5.3 --- e Eccentricity
44- 48 F5.1 deg omega Longitude of periastron
50- 57 F8.2 d T0 Julian date of periastron passage (HJD-2400000)
59- 65 F7.3 10+6km asini Projected semi-major axis
67- 73 E7.3 Msun f(m) Mass function
75- 78 F4.2 km/s sig Velocity dispersion
80- 81 I2 --- N Number of RV measurements
84- 92 F9.5 d e_Per rms uncertainty on Per
95- 98 F4.2 km/s e_gamma rms uncertainty on gamma
101-104 F4.2 km/s e_K rms uncertainty on K
107-111 F5.3 --- e_e rms uncertainty on e
114-118 F5.1 deg e_omega rms uncertainty on omega
120-125 F6.2 d e_T0 rms uncertainty on T0
128-133 F6.3 10+6km e_asini rms uncertainty on asini
135-140 E6.3 Msun e_f(m) rms uncertainty on f(m)
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Note (1): * : We caution the reader that, though these orbital solutions
appear to be robust, these binaries have poor phase coverage.
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Byte-by-byte Description of file: table4.dat table8.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- PKM Source identification number (G1)
8- 16 F9.5 d Per Orbital period
18- 22 F5.1 --- Ncyc Number of cycles observed
25- 30 F6.2 km/s gamma Centre-of-mass radial velocity, γ
32- 36 F5.2 km/s K1 Orbital amplitude of the primary
38- 42 F5.3 --- e Eccentricity
44- 48 F5.1 deg omega Longitude of periastron
50- 57 F8.2 d T0 Julian date of periastron passage (HJD-2400000)
59- 64 F6.2 10+6km asini1 Projected semi-major axis of the primary
67- 71 F5.3 Msun msin3i1 Mass (Msin3i) of the primary
73- 77 F5.3 --- q Mass ratio
79- 82 F4.2 km/s sig1 Velocity dispersion of the primary
84- 85 I2 --- N1 Number of RV measurements for the primary
87- 93 F7.5 d e_Per rms uncertainty on Per
95- 98 F4.2 km/s e_gamma rms uncertainty on gamma
100-103 F4.2 km/s e_K1 rms uncertainty on K1
105-109 F5.3 --- e_e rms uncertainty on e
111-114 F4.1 deg e_omega rms uncertainty on omega
116-119 F4.2 d e_T0 rms uncertainty on T0
121-124 F4.2 10+6km e_asini1 rms uncertainty on asini1
126-130 F5.3 Msun e_msin3i1 rms uncertainty on msin3i1
132-136 F5.3 --- e_q rms uncertainty on q
138-141 F4.1 km/s K2 Orbital amplitude of the secondary
143-148 F6.2 10+6km asini2 Projected semi-major axis of the secondary
150-154 F5.3 Msun msin3i2 Mass (Msin3i) of the secondary
156-159 F4.2 km/s sig2 Velocity dispersion of the secondary
161-162 I2 --- N2 Number of RV measurements for the secondary
164-166 F3.1 km/s e_K2 rms uncertainty on K2
168-171 F4.2 10+6km e_asini2 rms uncertainty on asini2
173-177 F5.3 Msun e_msin3i2 rms uncertainty on msin3i2
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Byte-by-byte Description of file: table3.dat table5.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- PKM Source identification number (G1)
6- 11 F6.3 mag Vmag V magnitude
13- 17 F5.3 mag B-V B-V colour index
19- 23 F5.2 arcmin Rad Radius
25- 26 I2 % Prv Membership probability from radial velocity
28- 29 I2 % Ppm Membership probability from proper motion
31 A1 --- l_M1 Limit flag on M1
32- 35 F4.2 Msun M1 Mass of the primary
37- 40 F4.2 Msun M2min ? Minumum mass of the secondary (only in table3)
42 A1 --- l_M2 Limit flag on M2
43- 46 F4.2 Msun M2 Mass of the secondary
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Global notes:
Note (G1): Platais et al. 2003, Cat. J/AJ/126/2922,
<Cl* NGC 188 PKM NNNN> in Simbad
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History:
From electronic version of the journal
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(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 10-Sep-2011