J/PASP/114/233 h and χ Per memberships (Uribe+, 2002)
Membership in the region of the double cluster h and χ Persei working from
proper motions and positions: distance moduli and extinction in that galactic
direction.
Uribe A., Garcia-Varela J.-A., Sabogal-Martinez B.-E., Higuera G.M.A.,
Brieva E.
<Publ. Astron. Soc. Pac. 114, 233 (2002)>
=2002PASP..114..233U 2002PASP..114..233U
ADC_Keywords: Clusters, open ; Proper motions
Abstract:
A segregation between cluster members and field stars in the region of
the double cluster h and χ Persei is accomplished working from
proper motions and positions as kinematic random variables. The
extinction RV and the distance moduli are determined once the
physical cluster members are found.
Objects:
-----------------------------------------
RA (2000) DE Designation(s)
-----------------------------------------
02 19.0 +57 09 h Per = NGC 869
02 22.4 +57 07 chi Per = NGC 884
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 54 749 Proper motions, positions, and membership
probabilities for h Per (LAV 221-LAV 1389)
and χ Per (LAV 1374-LAV 2565)
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See also:
V/27 : Proper Motions and UBV Photometry in h+chi Per (Muminov 1980)
J/AJ/122/248 : h and chi Per UBVI,Hα photometry (Keller+, 2001)
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 7 A7 --- Cluster Cluster name, NGC 869 (h) or NGC 884 (chi)
9- 12 I4 --- Oost ? Oosterhoff number (1)
14- 17 I4 --- LAV Lavdovski (1961TrPul..73....5L 1961TrPul..73....5L) number (2)
20- 24 F5.1 arcmin Xpos X star position (3)
27- 31 F5.1 arcmin Ypos Y star position (3)
33- 35 I3 mas/yr pmX X proper motion (3)
37- 39 I3 mas/yr pmY Y proper motion (3)
41- 44 F4.2 --- Pmemb Final membership probability
46- 48 A3 --- PL Lavdovski membership probability
P: probable, MP: most probable
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Note (1): Oosterhoff numbers:
NGC 869 NNNN for h Per
NGC 884 NNNN for chi Per
Note (2): Lavdovski numbers:
Cl* NGC 869 LAV NNNN for h Per
Cl* NGC 884 LAV NNNN for chi Per
Note (3): The values of the table have been multiplied by 100 to conform
to the original values from Lavdovski, 1961TrPul..73....5L 1961TrPul..73....5L
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History:
From electronic version of the journal
* 26-Nov-2002: Two errors in Oost numbers have been corrected for
records #17 (was 376) and #171 (was 854)
* 06-Jan-2003: the values of the positions and proper motions were
multiplied by 100 (see Note (3) above)
(End) James Marcout, Patricia Bauer [CDS] 12-Apr-2002