Table 4: Kinematical data for NGC 5953/54.
Galaxy NGC 5953 NGC 5954 References
Systemic velocity $2164 \pm 35$ $2123 \pm 35$ Page (1970)
-heliocentric (km s-1) $2037 \pm 43$ $1945 \pm 39$ Turner (1976)
    (HI) 2000 Shostak (1978)
    (HI) 1935 Haynes (1981)
  (HI) $1950 \pm 75$ (HI) $1969 \pm 75$ Bottinelli et al. (1981)
    2013 Tifft (1982)
  $1983 \pm 28$ $2012 \pm 28$ White et al. (1983)
    (HI) 1938 Davies & Seaquist (1983)
    (HI) 1848 Davies & Seaquist (1983)
    (HI) $1955 \pm 16$ Giovanardi & Salpeter (1985)
    (HI) 1960 Lewis et al. (1985)
  (HI) 1864 (HI) 1864 Armstrong & Wootten (1986)
  (HI) 1964 (HI) 1971 Garwood et al. (1987)
  $2100 \pm 30$   Rafanelli et al. (1990)
  $1994 \pm 14$ $1848 \pm 14$ Reshetnikov (1993)
  $1987 \pm 10$ $1883 \pm 11$ Rampazzo et al. (1995)
  H$\alpha $,[N II],[SII] $1870 \pm 36$ H$\alpha $,[N II],[SII] $1907 \pm 11$ Rampazzo et al. (1995)
  [N II] $1962 \pm 10$ [N II] $ 1856\pm 10$ This work
       
Inclination i ($^{\circ}$) $25 \pm 5$ $61 \pm 2$ Reshetnikov (1993)
  45 63 LEDA
    $65 \pm 3$ Rampazzo et al. (1995)
  $25 \pm 5$   González-Delgado & Pérez (1993)
  $32 \pm 2$ $67.5 \pm 2$ This work (Kinematics)
       
  $34 \pm 7$ $60 \pm 7$ This work (Photometric)
       
PA (north eastwards) ($^{\circ}$) 151 5 LEDA
  169 5 RC3
    3 Rampazzo et al. (1995)
  39 355 Reshetnikov (1993)
  51   González-Delgado & Pérez (1993)
  $ 51 \pm 10 $ $357 \pm 10$ This work (Kinematics)
       
  $45 \pm 7$ $ 3 \pm 7$ This work (Photometric)
       
Maximum rotational velocity 200 130 Reshetnikov (1993)
(km s-1) 240   González-Delgado & Pérez (1993)
  $218 \pm 10$ $ 112 \pm 12$ This work


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