NGC 6611

Number of stars per data source

	Reference   38 :    1 star
	Reference   57 :   11 stars
	Reference   88 :    2 stars
	Reference   98 :    2 stars
	Reference  202 :    3 stars
	Reference  206 :    4 stars
	Reference  207 :    1 star
	Reference  265 :   14 stars
	Reference  275 :    1 star
	Reference  303 :    2 stars
	Reference  318 :   66 stars
	Reference  591 :    1 star
	Reference  923 :   26 stars
	Reference  999 :    4 stars
	Reference 1021 :   85 stars
	Reference 1034 :   16 stars
	Reference 1044 :    9 stars

References

 38
Hiltner W.A., Johnson H.L.
(1956) Astrophys. J. 124, 367
The law of interstellar reddening and absorption
1956ApJ...124..367H
 57
Walker M.F.
(1961) Astrophys. J. 133, 438
Studies of extremely young clusters. IV. NGC 6611
1961ApJ...133..438W
 88
Conti P.S., Alschuler W.R.
(1971) Astrophys. J. 170, 325
Spectroscopic studies of O-type stars. I. Classification and absolute magnitudes
1971ApJ...170..325C
 98
Conti P.S., Leep E.M.
(1974) Astrophys. J. 193, 113
Spectroscopic observations of O-type stars. V. The hydrogen lines and lambda 4686 He II
1974ApJ...193..113C
 202
Morgan W.W., Code A.D., Whitford A.E.
(1955) Astrophys. J. Suppl. 2, 41
Studies in galactic structure. II. Luminosity classification for 1270 blue giant stars
1955ApJS....2...41M
 206
Hiltner W.A.
(1956) Astrophys. J. Suppl. 2, 389
Photometric, polarization and spectrographic observations of O and B stars
1956ApJS....2..389H
 207
Hoag A.A., Applequist L.
(1965) Astrophys. J. Suppl. 12, 215
Distance moduli of open clusters
1965ApJS...12..215H
 265
Hiltner W.A., Morgan W.W.
(1969) Astron. J. 74, 1152
UBV photometry and spectral types in NGC 6611
1969AJ.....74.1152H
 275
Walborn N.R.
(1972) Astron. J. 77, 312
Spectral classification of OB stars in both hemisphere and the absolute-magnitude calibration
1972AJ.....77..312W
 303
Walborn N.R.
(1982) Astron. J. 87, 1300
Two-dimensional spectral classification for O stars in the southern Milky Way
1982AJ.....87.1300W
 318
Hillenbrand L. A., Massey P., Strom S.E., Merrill K.M.
(1993) Astron. J. 106, 1906
NGC 6611: a cluster caught in the act
1993AJ....106.1906H
 591
Garmany C.D., Vacca W.D.
(1991) Publ. Astron. Soc. Pacific 103, 347
New spectral classifications for O-type stars in the northern hemisphere
1991PASP..103..347G
 923
Bosch G.L., Morrell N.I., Niemela V.S.
(1999) Rev. Mex. Astron. Astrofis. 35, 85
Stellar spectroscopy in NGC 6611: binary frequency and new spectral types of several early type stars
1999RMxAA..35...85B
 999
Houk N., Cowley A.P., Smith-Moore M.
University of Michigan (Ann Arbor) Vol 1 (1975), Vol 2 (1978), Vol 3 (1982), Vol 4 (1988), Vol 5 (1999)
The University of Michigan Catalogue of two-dimensional Spectral Types for the HD stars
1975mctd.book.....H
 1021
Evans C.J., Smartt S.J., Lee J.-K., et al.
(2005) Astron. Astrophys. 437, 467
The VLT-FLAMES survey of massive stars: Observations in the galactic clusters NGC 3293, NGC 4755 and NGC 6611
2005A&A...437..467E
 1034
Wolff S.C., Strom S.E., Dror D., Venn K.
(2007) Astron. J. 133, 1092
Rotational Velocities for B0-B3 Stars in Seven Young Clusters: Further Study of the Relationship between Rotation Speed and Density in Star-Forming Regions
2007AJ....133.1092W
 1044
Sana H., Gosset E., Evans C.J.
(2009) Mon. Not. R. Astron. Soc. 400, 1479
The massive star binary fraction in young open clusters - II. NGC6611 (Eagle Nebula)
2009MNRAS.400.1479S