... Praesepe (NGC 2632), a nearby intermediate-age open clus´ ter (log t = 8.85 ± 0.15, Gonzalez-Garc´ et al. 2006), is an esia pecially interesting target because it includes a large number of A-type stars, among which are many Am stars. ...
17. http://www.astro.louisville.edu/software/xmtel/archive/xmtel-3.1/queue/Messier.edb
... NGC 1952|LBN 833|Sh2-244,f|R|SN,5:34:31.9,22:0:52,8.4,2000,360 M2|NGC 7089|GCL 121,f|C|G2,21:33:27.2,-0:49:22,6.6,2000,960 M3|NGC 5272|GCL 25,f|C|G6,13:42:11.2,28:22:34,6.3,2000,1080 M4|NGC 6121|GCL 41|ESO 517-SC1,f|C|G9,16:23:35.5,-26:31:29,5.4,2000,2160 ...
18. http://www.naic.edu/~tghosh/a2234/references/methani/arp220_hcn.ps
... NGC 4418 and Mrk 231 9 Aalto S., Polatidis A.G., H˜uttemeister S., Curran S.J., 2002, A&A 381, 783 (APHC02) Aalto S., Booth R., Black J.H., 1995, A&A 300, 369 Aalto S., Johansson, L. E. B., Booth R.S., Black J.H., 1991, 249, 323 Barvainis, R., Maloney, P ...
19. Bright Supernova pages - Sorted by name
... 16.5** 16.5 unk IAUC 2641 van der Kruit, Arp 1974B NGC 5161 1974 01 28.000 13 29 12.9 -33 09 22.0 13.0E 62.0N 14.5** 14.5 unk IAUC 2640 Charles Kowal 1974A NGC 4156 1974 01 28.000 12 10 47.5 +39 28 28.0 15.0E 15.0N 20.0** 20.0 unk IAUC 2632 Arp 1973V Anon ...
20. http://hea-www.harvard.edu/~pgreen/Papers/postcos_04.pdf
... NGC 3393 4C 61.20 PKS 1055+20 Mrk 728 NGC 3516 PG 1114+445 PG 1115+080A1 PG 1115 ... NGC 5252 Mrk 270 Q1340þ0038 QSO 1348+263 B2 1351+31 PG 1352+183 PG 1352+011 PG 1402 ... NGC 3031). c The distribution of the sum of the broad and narrow component Wk ...