\begin{thebibliography}{23}
\expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi

\bibitem[{{Ak} {et~al.}(2007){Ak}, {Chadima}, {Harmanec}, {Demircan}, {Yang},
  {Koubsk{\'y}}, {{\v S}koda}, {{\v S}lechta}, {Wolf}, {Bo{\v z}i{\'c}}, {Ru{\v
  z}djak}, \& {Sudar}}]{Ak2007}
{Ak}, H., {Chadima}, P., {Harmanec}, P., et al.\ 2007, \aap, 463, 233

\bibitem[{{Bisikalo} {et~al.}(2000){Bisikalo}, {Harmanec}, {Boyarchuk},
  {Kuznetsov}, \& {Hadrava}}]{Bisikalo2000}
{Bisikalo}, D.~V., {Harmanec}, P., {Boyarchuk}, A.~A., {Kuznetsov}, O.~A., \&
  {Hadrava}, P. 2000, \aap, 353, 1009

\bibitem[{{Blackwell} \& {Lynas-Gray}(1994)}]{Blackwell1994}
{Blackwell}, D.~E., \& {Lynas-Gray}, A.~E. 1994, \aap, 282, 899

\bibitem[{{Buscher}(1994)}]{Buscher1994}
{Buscher}, D.~F., 1994, Proc. SPIE 2200, 260 

\bibitem[{Goodricke(1785)}]{Goodricke1785}
Goodricke, J. 1785, Phil. Trans. Roy. Soc., 75

\bibitem[{{Harmanec}(2002)}]{Harmanec2002}
{Harmanec}, P. 2002, Astronomische Nachrichten, 323, 87

\bibitem[{{Harmanec} {et~al.}(1996){Harmanec}, {Morand}, {Bonneau}, {Jiang},
  {Yang}, {Guinan}, {Hall}, {Mourard}, {Hadrava}, {Bozic}, {Sterken},
  {Tallon-Bosc}, {Walker}, {McCook}, {Vakili}, {Stee}, \& {Le
  Contel}}]{Harmanec1996}
{Harmanec}, P., {Morand}, F., et al.\ 1996, \aap, 312, 879

\bibitem[{{Harmanec} \& {Scholz}(1993)}]{Harmanec1993}
{Harmanec}, P., \& {Scholz}, G. 1993, \aap, 279, 131

\bibitem[Hoffman et al.(1998)]{Hoffman1998} Hoffman, J.~L., 
Nordsieck, K.~H., \& Fox, G.~K.\ 1998, \aj, 115, 1576 

\bibitem[{{Ireland} {et~al.}(2006){Ireland}, {Monnier}, \&
  {Thureau}}]{Ireland2006}
{Ireland}, M.~J., {Monnier}, J.~D., \& {Thureau},  N.  2006, 
  Proc. SPIE, 
  6268, 62681T

\bibitem[{{Jameson} \& {Longmore}(1976)}]{Jameson1976}
{Jameson}, R.~F., \& {Longmore}, A.~J. 1976, \mnras, 174, 217


\bibitem[{{Lawson} {et~al.}(2004){Lawson}, {Cotton}, {Hummel}, {Monnier},
  {Zhao}, {Young}, {Thorsteinsson}, {Meimon}, {Mugnier}, {Le Besnerais},
  {Thiebaut}, \& {Tuthill}}]{Lawson2004}
{Lawson}, P.~R., et al.\ 2004, Proc. SPIE, 5491, 886

\bibitem[{{Lawson} {et~al.}(2006){Lawson}, {Cotton}, {Hummel}, {Baron},
  {Young}, {Kraus}, {Hofmann}, {Weigelt}, {Ireland}, {Monnier}, {Thi{\'e}baut},
  {Rengaswamy}, \& {Chesneau}}]{Lawson2006}
{Lawson}, P.~R., et al.\
  2006,  Proc. SPIE,
  6268, 62681U


\bibitem[{{Leggett} {et~al.}(1986){Leggett}, {Mountain}, {Selby}, {Blackwell},
  {Booth}, {Haddock}, \& {Petford}}]{Leggett1986}
{Leggett}, S.~K.,  {Mountain}, C.~M., {Selby}, M.~J., {Blackwell}, D.~E.,
  {Booth}, A.~J., {Haddock}, D.~J., \& {Petford}, A.~D. 1986, \aap, 159, 217

\bibitem[{{Linnell}(2000)}]{Linnell2000}
{Linnell}, A.~P. 2000, \mnras, 319, 255

\bibitem[{{Monnier} {et~al.}(2004){Monnier}, {Berger}, {Millan-Gabet}, \& {Ten
  Brummelaar}}]{Monnier2004}
{Monnier}, J.~D., {Berger}, J.-P., {Millan-Gabet}, R., \& {Ten Brummelaar},
  T.~A. 
  2004, Proc. SPIE, 5491, 
  1370

\bibitem[{{Monnier} {et~al.}(2006){Monnier}, {Pedretti}, {Thureau}, {Berger},
  {Millan-Gabet}, {ten Brummelaar}, {McAlister}, {Sturmann}, {Sturmann},
  {Muirhead}, {Tannirkulam}, {Webster}, \& {Zhao}}]{Monnier2006}
{Monnier}, J.~D., et al.\ 2006, Proc. SPIE, 6268, 62681

\bibitem[{{Monnier} {et~al.}(2007){Monnier}, {Zhao}, {Pedretti}, {Thureau},
  {Ireland}, {Muirhead}, {Berger}, {Millan-Gabet}, {Van Belle}, {ten
  Brummelaar}, {McAlister}, {Ridgway}, {Turner}, {Sturmann}, {Sturmann}, \&
  {Berger}}]{Monnier2007sci}
{Monnier}, J.~D., et al.\ 2007, Science, 317, 342


\bibitem[{{Schmitt} {et~al.}(2008){Schmitt}, {Pauls}, {Tycner}, {Armstrong},
  {Zavala}, {Benson}, {Gilbreath}, {Hindsley}, {Hutter}, {Johnston},
  {Jorgensen}, \& {Mozurkewich}}]{Schmitt2008}
{Schmitt}, H.~R., et al.\ 2008, \apj, submitted (ArXiv:0801.4772)

\bibitem[{{ten Brummelaar} {et~al.}(2005){ten Brummelaar}, {McAlister},
  {Ridgway}, {Bagnuolo}, {Turner}, {Sturmann}, {Sturmann}, {Berger}, {Ogden},
  {Cadman}, {Hartkopf}, {Hopper}, \& {Shure}}]{Brummelaar2005}
{ten Brummelaar}, T.~A., et al.\ 
  2005, \apj, 628, 453

\bibitem[{{Umana} {et~al.}(2000){Umana}, {Maxted}, {Trigilio}, {Fender},
  {Leone}, \& {Yerli}}]{Umana2000}
{Umana}, G.,  {Maxted}, P.~F.~L., {Trigilio}, C., {Fender}, R.~P., {Leone}, F.,
  \& {Yerli}, S.~K. 
  2000, \aap, 358, 229

\bibitem[van Leeuwen(2007)]{van-Leeuwen2007} van Leeuwen, F.\ 2007,
Hipparcos, the New Reduction of the Raw Data (ASSL 350)
(Dordrecht: Springer)


\bibitem[{{Zeilik} {et~al.}(1982){Zeilik}, {Heckert}, {Henson}, \&
  {Smith}}]{Zeilik1982}
{Zeilik}, M., {Heckert}, P., {Henson}, G., \& {Smith}, P. 1982, \aj, 87, 1304


\end{thebibliography}
