# IBVS 2216-t1.txt
#IAU COMMISSION 27 UNPUBLISHED DATA FILE 106
#IBVSdataKey: photometry
#Object: HD 190540
#Author: G.W. Henry, J. Sherlin, D.S. Hall
#Comment: NOT THE WHOLE FILE 106 - JUST PARTS RELEVANT TO IBVS 2216
#Comment: RETYPED FROM MANUSCRIPT - MIGHT CONTAIN ERRORS!
#Comment: The last column(s) of characters of the photocopy used
#Comment: were often missing or unreadable.


              IAU COMMISSION 27 - UNPUBLISHED DATA FILE #106

                  HD 1833, 37847, 185510, 190540, 205249


Photoelectric data for these five new variables are presented.
These stars are strongly suspected to be RS CVn binaries.
Complete information can be obtained from IBVS, # 2213 - 2217.


14 pages, including cover sheet         Douglas S. Hall
                                        A. J. Dyer Observatory
                                        Box 1803
                                        Vanderbilt University
                                        NASHVILLE, TN 37235




Variable = HD 190540      Kitt Peak National Observatory       page
Comparison = BD -18 5593  Observer = Gregory W. Henry          1 of 2


JD (hel.)	Delta V		Delta B
 2444716.9887	0.340		0.518
	.9930	0.354		0.521
     718.9773	0.341		0.500
	.9817	0.340		0.508
	.9863	0.341		0.503
     719.9552	0.339
	.9580	0.328
	.9606	0.342



Variable = HD 190540      Cloudcroft Observatory               page
Comparison = BD -18 5593  Observer = Gregory W. Henry          2 of 2
                                     Jerry Sherlin


JD (hel.)	Delta V		JD (hel.)	Delta ?
 2444872.6653	0.319		 2445122.9562	0.31?
	.6670	0.320			.9582	0.31?
	.6686	0.315			.9608	0.31?
     873.6491	0.303		     137.9089	0.28?
	.6506	0.302			.9104	0.28?
	.6520	0.302			.9118	0.28?
     874.6430	0.293		     143.9556	0.27?
	.6447	0.286			.9571	0.27?
	.6462	0.294			.9587	0.27?
     877.6442	0.284		     144.9593	0.28?
	.6459	0.291			.9606	0.27?
	.6475	0.286			.9618	0.28?
     892.6829	0.292		     145.9395	0.29?
	.6854	0.291			.9407	0.29?
	.6873	0.288		     146.9417	0.303
     893.6513	0.304			.9429	0.30?
	.6532	0.306			.9442	0.29?
	.6549	0.315		     148.9576	0.29?
 2445119.9267	0.287			.9603	0.30?
	.9290	0.287		     153.8659	0.29?
	.9310	0.285			.8678	0.29?
     120.8864	0.298			.8693	0.296
	.8878	0.293
	.8891	0.302
     121.8999	0.307
	.9020	0.305
	.9040	0.304