1 HD 17659 (F8) = HIC 13269. 
  5 HD 17768 (K5) = HIC 13337. 
 11 HD 17834 (F)
 14 Classification uncertain: photometry of low accuracy. 
 19 HD 17870 (G5) = HIC 13418
 21 According to B.-G. Andersson (personal communication) its spectral type is 
 21  B7 V-III. Further verification is necessary.
 28 Uncertain absolute magnitude. 
 30 HIC 13496.
 37 HD 18019 (K0) = HIC 13532. 
 43 HD 18066 (K0) = HIC 13571. 
 44 HD 18091 (A3) = HIC 13579. 
 46 HD 18106 (F8) = HIC 13589, standard star. 
 47 HD 18090 (F2).
 55 Classification uncertain. T Tauri type star (Hearty et al. 2000,
 55  Cat. <J/A+A/353/1044>, Jayawardhana et al., 2001ApJ...550L.197J).
 56 Low accuracy of classification due to larger U-V and P-V errors. 
 57 HIC 13631.
 59 Classification uncertain: low accuracy observations of U-V, P-V and X-V.
 61 HD 18190 (F) Binary WDS 02558+1909, {rho}=0.5", {delta}m=1.1mag 
 67 HD 18256 (F5) = HIC 13702, {rho} Ari.
 68 Classification uncertain. Binary?
 69 Classification uncertain. Carbon-rich? 
 72 HD 18283 (A5) = HIC 13723.
 74 Classification uncertain: low accuracy of U-V, P-V and X-V. 
 81 Classification uncertain. Binary?
 84 Classification uncertain.
 86 Classification uncertain: low accuracy of U-V.
 96 Binary WDS 02580+2124, {rho}=4.6", {delta}m=0.1mag. 
 97 HD 18404 (F0) = HIC 13834.
 99 Classification uncertain. Binary?
104 Classification uncertain. T Tauri type star (Hearty et al. 2000
104  Cat. <J/A+A/353/1044>,Jayawardhana et al., 2001ApJ...550L.197J).
107 The most reddened star in our sample. 
110 Classification impossible. Binary? 
111 HIC 13855.
116 SAO 75669. The star has been analyzed by Bhatt et al. (1994A&A...289..946B).
116  Polarization 3.7% (Bhatt & Jain, 1992MNRAS.257...57B).
117 HD 18484 (A3) = HIC 13892. Binary WDS 02589+2137, {rho}=0.5", 
117  {delta}Hp=0.2mag.
118 HD 18485 (K0) = HIC 13893. 
123 HD 18508 (F0) = HIC 13913. 
131 Binary WDS 02597+2013, {rho}=5.3", {delta}Hp=0.3mag.
138 HD 18654 (A0) = HIC 14021, 50 Ari. Binary WDS 03005+1800, {rho}=2.2", 
138  {delta}Hp=3.0mag.
143 Classification uncertain. Binary? 
152 HIC 14201.