AM-1 / E1 / C0354-498
RA: 03:55:02.3 DEC: -49:36:55 (J2000)  

(Most recent updates: 
Membership probability flag - 2024; Remaining data - June 2011)
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Bytes  Format      Explanation
1-8      A8        Star ID
10-32  A11,1x,A11  Position
34-35    A2        Membership probability flag based on data published
                   by Prudil & Arellano Ferro (2024)
                    m1: prob >=0.85;  m2: prob >=0.7 and <0.85;
                    m3: prob >= 0.5 and <0.7; f: prob <0.5
                    u:  no data available
37-44   F8.4       Period  (days)
46-51   F6.3       Mean magnitude (or maximum magnitude if "max" 
                      is indicated in the remarks column)
53-57   F5.3       Light amplitude (range of variability)
59      A1         Colour for mean magnitude and amplitude
                    e.g.  B, V, R, I, J, K
                    or P (for photographic).
61-65   A5         Type of variable (draft 2006 GCVS classifications)
                      CST denotes non variable stars previously designated
                      as variables
67-80   A19        Notes and Remarks  (f denotes field star)
 
 "--" or "----" indicates no data available
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ID       Position               Mem   Period <mag>  ampl  C Type  Notes/
         RA          Dec        Flag                              Remarks
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No known variables.
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Supplementary Notes 

Aaronson et al. (1984) published a BV color-magnitude diagram that 
indicates this object is a globular cluster with a prominent red 
horizontal branch.  A VI color-magnitude diagram by Dotter et al. 
(2008) confirms this. Thus it is a "second parameter" cluster" in the
sense that it has a red HB compared with inner halo clusters with the
same metallicity, [Fe/H] = -1.70.  The metallicity was derived by 
Suntzeff et al. (1985) based on the calcium H and K line strengths of two
giants. 

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References

Aaronson, M., Schommer, R. A., Olszewski, E. W. 1984, ApJ, 276, 221

Dotter, A., Sarajedini, A., Yang, S.-C. 2008, AJ, 136, 1407

Prudil Z., Arellano Ferro, A. 2024, MNRAS, 534, 3654

Suntzeff, N., Olszewski, E., Stetson, P. B. 1985, AJ, 90, 1481
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