Table 1: Basic data for PKS 1830-211 and the intervening galaxy.
PKS 1830-211
NE image RA (J2000) 18$^{\rm h}$33$^{\rm m}$39 $.\!\!^{\rm s}$932 (1)
  Dec (J2000) -21$^\circ$03$^\prime$39 $.\!\!^{\prime\prime}$73 (1)
SW image RA (J2000) 18$^{\rm h}$33$^{\rm m}$39 $.\!\!^{\rm s}$886 (1)
  Dec (J2000) -21$^\circ$03$^\prime$40 $.\!\!^{\prime\prime}$45 (1)
Redshift   z = 2.5 (2)
3 mm flux density (variable) 1.5-2.5 Jy  
Flux distribution NE image $\sim$63% (3)
  SW image $\sim$37% (3)
Intervening galaxy
Redshift   z = 0.88582 (3)
Type   Sb or Sc (4)
Inclination   17$^\circ$-32$^\circ$ (5)
Linear scale   $1\hbox{$^{\prime\prime}$ }\sim 7.8$ kpc  
Velocity (heliocentric) SW absorption $\sim$0 km s-1 (6)
  NE absorption $\sim$-147 km s-1 (6)
Age   $\leq$6 Gyr  
References: (1) Subrahmanyan et al. (1990);
(2) Lidman et al. (1999);
(3) WC96;
(4) Winn et al. (2002);
(5) Koopmans & de Bruyn (2005);
(6) WC98.

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