NGC 1807

Number of stars per data source

	Reference   38 :    1 star
	Reference   51 :    1 star

38: Yoss K.M.; (1977) Astron. J. 82, 832 (table ii,); Accuracy of two-dimensional spectral classes derived through DDO photometry; 1977AJ.....82..832Y
51: Yoss K.M., Karman R.A., Hartkopf W.I.; (1981) Astron. J. 86, 36; The space velocities of 393 G and K stars in the +15 selected area zones; 1981AJ.....86...36Y