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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
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 ----------------------------------------- File Summary:
FileName Lrecl Records Explanations
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)
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
Bytes Format Units Label Explanations
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) 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
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
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
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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