Eridanus  / C0422-213
RA: 04:24:44.5  DEC: -21:11:13 (J2000)

(Most recent updates: 
Membership probability flag - 2024; Remaining data - June 2011)
============================================================
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
=========================================================================
ID       Position               Mem   Period <mag>  ampl  C Type  Notes/
         RA          Dec        Flag                              Remarks
=========================================================================
No known variables.
=========================================================================
Supplementary Notes 

Ortolani & Gratton (1986) published a BV color-magnitude diagram 
that showed an extremely red HB.  A  VI color-magnitude diagram by 
Stetson et al. (1999) confirmed this and also showed about a dozen 
blue stragglers.

=====================================================
References

Ortolani, S. & Gratton, R. G. 986, A&A, 160, 25

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

Stetson, P., Bolte, M., Harris, W. E., Hesser, J., van den Bergh, S.,
Vandenberg, D. A., Bell, R. A. et al. 1999, AJ, 117, 247 
========================================================