# IBVS 1373-t1.txt # IBVS 2246-t55.txt #IAU COMMISSION 27 UNPUBLISHED DATA FILE 55 #IBVSdataKey: photometry #Object: HW Vel = HR 3440 #Observer: C. Sterken #Comment: OCR-ED FROM PAPER SOURCE - MIGHT CONTAIN ERRORS! IAU(27). RAS-55 Photoelectric magnitude differences between HR 3413 and HR 3440 made in 1975 by C. Sterken at E.S.O. They are used in a note by Renson and Sterken (IBVS, 1373, 1977). 1 page. HR 3413 - HR 3440 ( HD 73340 - HD 74071 ) J. J. Delta (V) Delta b Delta v Delta u 2442742.74 0.324 0.336 0.355 0.341 742.84 0.331 0.339 0.354 0.340 743.74 0.319 0.322 0.341 0.338 743.83 0.325 0.325 0.343 0.328 744.71 0.349 0.363 0.382 0.378 744.83 0.338 0.352 0.372 0.365 746.70 0.340 0.341 0.359 0.364 746.82 0.350 0.359 0.380 0.391 747.71 0.333 0.348 0.365 0.344 747.84 0.344 0.354 0.374 0.356 748.84 0.321 0.319 0.336 0.326 749.71 0.357 0.369 0.384 0.391 749.84 0.347 0.360 0.379 0.377