NGC 7092

Number of stars per data source

	Reference   21 :   19 stars
	Reference   22 :   20 stars
	Reference   58 :    2 stars
	Reference  139 :    1 star
	Reference  340 :   20 stars
	Reference  560 :   17 stars
	Reference  804 :    1 star
	Reference  843 :    1 star
	Reference 1005 :   65 stars

References

21: Johnson H.L.; (1953) Astrophys. J. 117, 353; Magnitudes colors and spectral types in M39; 1953ApJ...117..353J
22: Weaver H.F.; (1953) Astrophys. J. 117, 366; Magnitudes, colors and spectral-type relations in the galactic cluster M39; 1953ApJ...117..366W
58: Meadows A.J.; (1961) Astrophys. J. 133, 907; Rotational velocities of three metallic-line stars in M39 and the Ursa Major cluster; 1961ApJ...133..907M
340: Gray R.O., Corbally C.J.; (2002) Astron. J. 124, 989; A spectroscopic search for lambda Bootis and other peculiar A-type stars in intermediate-age open clusters; 2002AJ....124..989G
560: Abt H.A., Levato H.; (1976) Publ. Astr. Soc. Pacific 88, 222; Spectral types in the open cluster M39; 1976PASP...88..222A
804: Bertaud Ch.; (1958) J. Obs. 42, 55; Catalogue et bibliographie des etoiles a spectre particulier.; 1958JO.....42...55B
843: Buscombe W.; (1962) Mount Stromlo Obs. Mim no 6; Spectral classification of southern fundamental stars
1005: Platais I.K.; (1988) Nauchn. Inf. 65, 119; Two-dimensional spectral classification in the region of the open cluster NGC 7092 (M39); 1988NInfo..65..119P