J/AZh/80/8 Proper motions of open star clusters (Loktin+, 2003)
Proper motions of open star clusters and the rotation rate of the Galaxy.
Loktin A.V., Beshenov G.V.
<Astron. Zh. 80, 8 (2003)>
=2003AZh....80....8L 2003AZh....80....8L
=2003ARep...47....6L 2003ARep...47....6L
ADC_Keywords: Clusters, open; Proper motions
Abstract:
The mean proper motions of 390 galactic open clusters with
radial-velocity measurements are computed from the data of the Tycho-2
catalog (I/259) using the kinematic and photometric cluster
membership criteria.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog.dat 57 390 Proper motions of open star clusters
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See also:
VII/229 : Optically visible open clusters catalog (Dias+, 2002)
Byte-by-byte Description of file: catalog.dat
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Bytes Format Units Label Explanations
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1-10 A10 --- Name Cluster name
12-17 F6.2 mas/yr pmRA Proper motion in RA (no cos DE)
20-23 F4.2 mas/yr e_pmRA rms uncertainty of pmRA (*cos DEm)
28-33 F6.2 mas/yr pmDE Proper motion in DE
36-39 F4.2 mas/yr e_pmDE rms uncertainty of pmDE
44-46 I3 --- Nstar Number of stars used for proper motion
computation
49- 50 A2 --- u_pm [:: ] Reliable proper motion -
: unreliable data, :: very unreliable data
53- 57 I5 pc Dist ? Distance from the Sun
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(End) Veta Avedisova (INASAN) 30-Mar-2005