\\ Species Tag: & 97003 & Name:& Br-81-O v=1 \\ Version: & 1 & & Bromine monoxide, $v=1$ \\ Date: & Aug. 2000 & &$^{81}$Br isotope, \\ Contributor:& E. A. Cohen & &$X_1\,^2\Pi_{3/2}$ and $X_2\,^2\Pi_{1/2}$ states \\ \\ & & & \\ Lines Listed: & 1313 & Q(300.0)=& 3957.594 \\ Freq. (GHz) $<$ & 1881 & Q(225.0)=& 2944.406 \\ Max. J: & 75.5& Q(150.0)=& 1957.963 \\ LOGSTR0= & -8.0 & Q(75.00)=& 977.877 \\ LOGSTR1= & -8.0 & Q(37.50)=& 488.157 \\ Isotope Corr.: & -0.306 & Q(18.75)=& 243.324 \\ Egy. (cm$^{-1}$) $>$& 0.0 & Q(9.375)=& 120.855 \\ $\mu_a$ = & 1.780 & A=& \\ $\mu_b$ = & & B=& 12617.383 \\ $\mu_c$ = & & C=& \headend The spectrum was calculated from a combined fit of rotational spectra of all four isotopic species $^{79,81}$Br$^{16,18}$O as well as available infrared spectra. The fit is described by B. J. Drouin, {\it et al.} 2001, J.\ Mol.\ Spectrosc.\ {\bf 205}, 128-138. The data and parameter files have been deposited with the journal. Note that the quantum number field has been changed. In this version it is $N,\;\Lambda,\;v,\;J+1/2,\;F.$\ \