Table 1: Comparison between our photometry JB (Johansson & Bergvall 1990) and other published data. $\Delta V$, $\Delta (B-V)$ and $\Delta (U-B)$ are the differences between our data and the other published data.

ESO-nr

 $D\hbox{$^{\prime\prime}$ }$ V $\Delta V$ B-V $\Delta (B-V)$ U-B $\Delta (U-B)$ Reference
026- G04 31.2 12.78   1.22   0.56   JB
  31.2 12.92 0.14 1.11 0.11 0.62 -0.06 Lauberts (1984)
109-IG22 W 31.2 12.86   0.96   0.56   JB
  31. 12.93 -0.07 0.99 -0.03 0.51 0.05 West et al. (1981)
110- G22 W 60.8 13.96   0.68   -0.18   JB
  62. 13.82 0.14 0.73 -0.05     Peterson (1986)
110- G23 E 60.8 13.29   0.85   0.19   JB
  62. 13.29 0.00 0.84 0.01     Peterson (1986)
145-IG07 31.2 14.58   0.93   0.82   JB
  25. 14.55   0.95       Peterson (1986)
  36. 14.27   0.85       "
  31. 14.39 0.19 0.89 0.04     ", interpolated data
148-IG10 31.2 14.15   0.49   -0.29   JB
  25. 14.50   0.50       Peterson (1986)
  36. 13.97   0.47       "
  31. 14.20 -0.05 0.48 0.01     ", interpolated data
157- G22 31.2 11.36   0.96   0.59   JB
  31.5 11.36 0.00 0.96 0.00     Chincarini et al. (1984)
  30. 11.42 -0.06 0.90 0.06 0.64 -0.05 Sandage & Visvanathan (1978)
193- G19 N 31.2 14.38   0.87   0.90   JB
  25. 14.55   0.99       Peterson (1986)
  36. 14.30   0.90       "
  31. 14.41 -0.03 0.94 -0.07     ", interpolated data
200-IG31 N 43.4 13.69   0.84   0.38   JB
  43.4 13.75 -0.06 0.76 0.08     Chincarini et al. (1984)
233- G21 31.2 12.61   1.00   0.52   JB
  60.8 12.16   0.98   0.49   JB
  30. 12.57 0.04 0.92 0.08 0.51 0.01 Sandage & Visvanathan (1978)
  52. 12.28 -0.12 0.94 0.04 0.48 0.01 Shobbrook (1966)
236- G01 86.6 11.01   0.80   0.00   JB
  89. 10.95 0.06 1.06 -0.26 0.47 -0.47 Alcaino (1976)
249-IG31 86.6 12.34   0.36   -0.31   JB, Johnson filters
  86.6 12.28   0.35   -0.34   "
  87. 12.11 0.13 0.38 -0.02 -0.29 -0.02 Bergvall et al. (1978)
284- G28 S 31.2 12.67   0.97   0.42   JB
    12.64   0.98   0.38   Lauberts (1984)
    12.69 -0.02 1.01 -0.04 0.36 0.06 Sandage & Visvanathan (1978)
286-IG19 22.9 14.70   0.61   -0.06   JB
  22. 14.79 -0.09 0.53 0.08 -0.02 -0.04 Bergvall et al. (1978)
287- G17 43.4 13.20   1.01   0.48   JB
  43. 13.29 -0.09 0.95 0.06     Sadler (1982)
299- G07 86.6 11.65   0.81   0.14   JB
  81. 11.68 -0.03 0.79 0.02     Peterson (1982)
  91. 11.56 0.09 0.78 0.03 0.10 0.04 Griersmith (1980)
  91. 11.53 0.12 0.79 0.02 0.11 0.03 Griersmith (1980)
Mean $\Delta$, m.e.     0.01, 0.11   0.02, 0.06   0.01, 0.04 *

Median $\Delta$		     0.00   0.02   0.01  
Median $\vert\Delta\vert$     0.06   0.04   0.04  
*) ESO 236-G01 excluded.                


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