SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 401 NAXIS2 = 401 OBJECT = 'NGC 4689 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:45:14.90' DEC = '+14:02:04.9' AIRMASS = 1.378604E+00 HISTORY 'Flat-fielded, star-subtracted, calibrated, header-corrected ' TELESCOP= 'Palomar 1.5' INSTRUME= 'Wide field' OBSERVER= 'J. E. Gunn' AUTHOR = 'Z. Frei et al. ' REFERENC= 'AJ, 1995, in press ' DATE = '12/07/95 ' EQUINOX = 1.950000E+03 BUNIT = 'COUNTS ' HA = '-02:51:52.5' / Hour Angle LST = ' 15:39:13.8' / Sidereal Time TIME = '08:35:46.5' FILENUM = 115 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.913083E+02 CRVAL2 = 1.403444E+01 CRPIX1 = 2.010000E+02 CRPIX2 = 2.010000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 5.172000E+03 DATAMIN = 1.160000E+02 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4689_pg.fits' FILTER1 = 'g ' SKY = 1.724323E+03 SKYSIG = 4.395621E+01 XOFFSET = 211 YOFFSET = 216 G_CENT_X= 200 G_CENT_Y= 200 SATURAT = 1 DNAT0_ST= 1.371287E+11 DNAT0_BV= 1.291275E+11 B_RC3 = 1.160000E+01 B-V_RC3 = 6.500000E-01 PSF_FWHM= 2.376515E+00 PA_RC3 = 0.000000E+00 BOA_RC3 = 9.000000E-02 SIZE_RC3= 1.630000E+00 VELO_RC3= 1.617891E+03 TYPE_RC3= '.SAT4.. ' DATE-OBS= '05/05/91 ' END XyEi`z)VymazuvN- rem}t|ip{dt^np]' qd|w|#vyv"4z~ wY}X\t#=r6rSv}W~NqsY g\s~,duRh^MLub?Uri vbw~@kkRreioutf_o iq_mlq#KyxZs+ yo~d wwp(q}jK{Jmgcs m{ 1P|+f{-^rjjsnzvr}tuw bpvVmc/}^Bwou.^YwkKli}}}omrszh=knWs<~|YcZ~myzL2ftc"XKenvzyb'}yp}pw:ztXpB|3 r-! J}gk|x~iZuxttp|lpnY`s|v\qZj{3Sc6V _ m|`~tZetI{wtUroFYz]Q emh\auqZw~'r0i |Dsqspa!~mnkpu]zBq\,fxqbPfU x=v mkhHpmb|_}lQz\zl=t'mwk&}{Rwz|rUU}W9To|ycOs(rYn/ppae\xnGg lH8Q|2U `f\o\}U|xSWO dqEa^kyn|Dwxcx2>ufvtBo~|o{ `w ^K pj'ZGJRinz|zz7~XxrmZSq{qu|wm wucMXi\T{WYykTQhlauCbvp=Kkxnnz#ny~~lb~y eq;twwoEefz{}}ha*${sq g3pjy=uW:v|zqzsvucWcJXt}t2ifj~[tgrrp!Zy||1~k#]^ spyznGrzysE{V/a~\aYvcI~i+jxBq{&|}|plV  ]Xpd Tw>ku}wffUwk pvc\yStum"lydipvhp>{|}^rifl .z~p ~L}{[~K6N\f J+kjesMqPqot Toq-p~  sX~^r)N b|lk s|o 0yzu]QgkmZzaz~zusvt} 3lHiX r~O ){~uzg}tkct7wwz|E&[ H_|jl sy_JP dv|=zoNwzeH2Bd`wysx*iuLaW}czYq y4Uynplp wenSpy}|XGuy}xT` p|{Z [tsv|Js_  c]t]f  un]xv{w ~ Cqg}laauI0]xasZw~T &|ukp^ y !x r'rlQhwLYWgizaa|x7~qa|wz1wfwj] }tjMx_|~Ig}j|x\tWX|sswXijau|o }wxdxu?d~z}d:rY!mw]plai RlxWq 1K|}",@rz vxjjy,l|}pzR}wc!4]F4&i(jwTEvE39vea%nsye]YZT p}!Ukso{sa|2w}j `{]Ltp{k?q|pkb~ |<6~S\~uFe}uzjuwzqUz+~ZxWt{sI{[}UnwZ|~vfu{n|pzkBum )1fygiprl&GW]ftbpE7 ~tYXV~n~o8\oVK  s+gw9} Au fCv\e lRlx*l\wOvg fonlyptszsiH{jq  i&iSuR vnc S}xko  &#i}zr mE\{4xps  ~D`aeW#}NlX[[lvczt cf't{ zdlNu<\xAps{Yx c^r|vrpVY8]b`nmLng^prp Uy Se}yzub|wf}8Ityr~}{gzclz{hmky]b|obtvs idyh#oh`u+}`zosu~grya uuwkX kW qSn y}wHsmo~{yd|\kJy rZyrNz~{Z|~|uKyTekqR xw}V|PZXu lfzdeUzQz)um kwxqsomm}v oXS.hf|`{jdu zx|yks_? qj|LW_@xu!vMe'o$v~yVyvyy{rtYzp'geyu{fyqcLjgxgZn3 pCw hzrowlpf ev[wWo1/qm xqqs"|zOndRBKKx\x=tqy{Inxez%`p|Vzy{~xr('yp|>\st|rzR 2yfmw]wyh}lu}1y off_|Lo lyw U>~ w Bu&vwBzmO^qZYcty  _rms{xg=4y":|-t`u|ayyjJ |{~EvW7st {q |qdpxpqrQ hV|'rk n{p@ zTy4#zSswRT~}p [gkuwx l|,[z~u{tml rvWy{tc_q{2Nrt z-0qr}\ywzrzv rUm9vjdlx ez}oul }|Mh,`oDKX\kkvPA= ~on|wy`\w[R)w{t|,x|[%zNVU[` E4&\t &YdO} t*`tubjQu|X3vsHh{PtZjJx.xU!gt[  e$~@^\zxlp qy  Rh+ru~^xq |z$uxg|{dZgdgqznm p}z`cy"CbvTbVNxS^ie#^qr|{)wwttepx`0s3yIx p}qq"%u_x} \h$|$ck[qZ1t J~}omb~ z~mhlu|tvWX. [Y5z]g'b|x|vcnfb{foqzx  f  pazuzwb|sg.z`{{_ s|7z l,u'Y}$} [ywP}A{vhOezpxzmsiyW{w4sdqepqmkQ_}tHn~c|u_ifyj> I ej|q~dnZ~|tk|*E fnwcw#itzpTpr>|cZauLf|"kZ%SvrFlorK wverzu}oXnn:y!l{d}]TTdojjhqyY`yl~clk  x]y uA~}u"y{ r[puhs{gfsoKllvTfW]gc#|vWpAiv*puEY | _A.w()qm N_<]yrxq|}wi{sgmg  m}VZ{B|| 2ns @uo u]~bTj'}}o! mzhaq~|#Qrd}!#zzr[ q ~u}/!^Ab*z{{ :z!kxz4tuoqiVwic} jVNUh}$gi"~ /v03"[b|[]rln{!]cctxrEbuUnyj{wzm#wivz  v~n l oYz]_[ilg.k(| c  r{t4~x}}<a}5p}}}oesuhbsnM\d!k|QbKuspy n =mpzl~u}l mjFxF a}`s  Vk}  ^sj^LzibE4$~y_"JG<|x'x9!;^P//u |&3js|,%Rwstn bvIWO  1w|  scaJv&4s 8 vMbzVYz^Kvp$^}k jx9rip~ero O1 y_ubu$kEex usRyinO`xqG$vybp~j'uY :q`w|) xM  ~dz|&z #vn(9o io6 z )?eu~c  vtdsx r{g zn^ d}w ts~~M}Bao}l&#5 {}:xTTdqvk|"dp[o~vytxjuunA8n:RxuV sa_b|^ x thfyvX}zR(lMwsRtl~ `{ }#r@qybt xxjas%l{x{"Mww5U~\ syLsfya{pR(x az.zp~F&P}X~ 2z$}y&o $f~Z~M*Qvwxp*d\ ~n|hl4Pu ,d} r(N}u  vyw r @b%gw|Uc svwgldwN_gtu:.s 'n  r0 5O|2q h~#u|s4NCe{- ]rpx}i*oo?rM "vp`IRy"c vtV}{Sj Mjgg-zoxwMU gyY8]wzsqYn~NU6B }L9Dw%dbm?SjUxy ;"dP |zqq)tz kxyq+ro$}twr?jyq u^VqseiVuJ }ytnro},RhTU  dhpty }hDz{}j kkt{4o( tf("&}& q0, ra z~}}v~|Wb_uvS\RBs} ~mwqv}f)LN/z%xA~z:O r$1 fyH|pAhY}z}ggYta`V}ob{ tmh gubKd lA+D e vm`i |'mo[{h}}d3lc /Kkm}yXeWx z|#9'wG"w vPxc!|ax~O *0\rpwM^{J{w5suzv@ob &Y[) ^y!  r ix[x~k*Ew k }yio&[ze^g$ 2H){ c%oR{}{is|vJf}m{ [tM\sz~axo w\ z+  ;]S s!} u&7q"x9tmdbyomw"o~kdTec*$go |yyke"Ycs)vzx{y_bv hbZ ^|!Wge |zq: ntvf/Y+u{x~)ihltddqVs kA {lld%evxxAPB}v~X "x /l 9)]_x gWym z~s us!}n^e[y Znzh~~R~o#{h rnp=;p\ w5c',f_Z{ygZ~}wmuXgkt0h}[uxc}n5 $s ov0q$ lh|o{s Tsx |&Jmp*+e nckzd u_'A\F T# .mQl"vCLoGt|hqn=#MsrN{rg_zxck'vh}h~ 4xt0!qj, z$~u=; efx ecw{|I^ vSO  0 ypyz~wv*EWbo{<#| 2" Y&!%ylp1|FkJl xiv{ {Uirj~~{Kok~}}Z;*{K" w`[vz3cM0je+x{f ot{v~*;d  e:v(lmrnpnv Nptm<pw ~~oi}}y Jem K }{h@Wuqmep ~|}vpt hrzt|vqy&olscywI(8r1} \l&qx=} SC-]3} h R^_ o|I/kh=}~[}X tU g^1_Hr<~j7{lh|pyon$arxryki[ bXKESsyzeu}|i Vwcxxl*znvS ([qu[#z~rax[q~f&y>Je`iCqu~zQ~bxh{| ocm&WxS~CjmyH|}!wvflaf(ayM^~b{[^wX|yr{`hyn0|rxuw. s+*z J vwnUQ"qxyMQ{OnX6yW~h=f k|~ouz[#px[! woznn .x/} b#fk|4  l` kt<xd|`x~{_ayxz   - "(#{ -`UR{9~|zwJc^M<{}o{d9e{ ky|jh~z*uu f= +zStg\a`>Pi"x}tn|dlxq `fg BmF3yNn`P$  ) I n wty  :} ]rUt_}E |A{uvuq|e|y{} _ +3.  2 @a[&Sfqn-xK7s>!7>{"]e'z~ZnvtTKeyz$}hVs# h1$w8  G%cg +tNPwx\]qVs uld}] 1_w E5Ysa^h}^Os<S'w  ) `i .yZwxz[ryTn#}!e  xu:vqdi *n2 W*  ,Z>,*Pzht|-A"t\} v u{*g%~my||6W wq| ny=s~}|S)]))  3 }L(H$ &],Q(|'rfsD  w*R^{s  |{yv.`lheoyprmj}n!m_o M\q/1.%D# ( Pv#cz 8|G| reas{,t}bZvd _1VU FoL=+W} *$P~{\P~^x~]jgqkkpz{[p|(c!3  <*.f'  |fz`(.dzgmsTwf |{z_Nj _q`}v 3y|t l[v0  0  (n^s%" 5td2~yQ_$yi fiwaoPbc[ujU6{}jz&.l!q5 E*"d= lf%b 2-!mc{}ng=mL{Yucsl'a\iqlYo&$f  GC!  LlGt[ ( }* ` X)[m{ujoSv@jg#q%++' &/5)mT= 0T=~ %x% &rWl{e}k&dNxs  m)`|ixp&pv"`u> }h7g\M-2#L zHigU 56}yV$!:l eg{|qr2/Pa3yhx ]~qpmvu*z ~)#Xs  ( #%#8> ! y fln~w|F]ee'f4{ mpt 0{~okp\lh~zq,6!% D ;$7" \=vlV(ynnmzi0Lw~|u)yx3rPjywwJMkifk 5 }@Ia\}, ;,@I 8@ $6$p/,n%+  X ~|twwzmx|"2mmtM~ bwz XqBpvg8q)u4 #(i  f$%J! &@ H  !W$p`eg d|je M, }p"JWiP-_Coi ky10?0 *?JD5'H*=09'(u+Fo ) }ch|#z }Z6vjR`~}[rcBkT68 05"O   "  -%]- #|.|Kyyt~t"i' ho[k R|pQ^ttq "1&c#% ( 2$,U7`+  _ 'rwV ^xez }$~}|l~tvU{RqG2 2|!:G '46+9-% /8&)9<b5h5 ~unSzk`w3Toz4d~c}sXmes n(% $3 / T7 |E? $  %x!D!GP4 W-2fYX;h=f~ `H{t4ut ~t} <0'12&<>8# :6uMF J( K#rkUua,v'y]$SWv)Wo s M"3tM-?)+< C-M5m-)[* ( ", }'p3^)({dWy~nnv~#fp=VzzWvEs*x /2' S  $'+"+i WH *#++83[~ldGr|*nvBQMjt} W|}5x sr]VIl '*t%  =MG % F!H! Ex2  u i {#)*U{$\|k+{W{+ ic3Ufv  i   ;%$+(  * wH1K-40p&mukKqd{esvm }||bi{c:{}rmW~    !& ;/"9KT- ?O z ;#x2SwH|"O Wxtjtw.~wXcGtp? Q   1.!V" R2E;A1+@,<%'E Ba=!yr  z t(UBusI#|TcFo6`  + +0 U$ ?B*J T!>G  E '&Gk * EuRTuN'Bdm-zz j7s 1.gycO59(  -oE   2EA!K ?403( W'2 C0 Uz#,${F {r ~{j l  }rjqzbza/Kp}(wm2 l- %R!(C  <  !K %'(7xntCp` `0M~]xxxlviz z#6 0?$49%!>8 L)5{<2v N>>(|9v.z~wm%t~}Q}Slj oD!3J0 4   U 76 ,* 1$<!  z~~ nyqtE/$pcat{7wvi|)HxwG Q*mjy B;;:a& 6)!:R* f"+@3&N5: <=A 1m Cn le \ b| ~r_wm/y~h,SQa.&+\?0M"- B-*C  +A   SL|F=.;(8"S $@' pktc y 9%zZycKjG ov ]$~!=c8 ' 2L]6 K\! C -HF%)0@+ N  ^|,pft  o0.zzzyrs~:tlW~}l) 7$/a*#  /%9)r>RBIKH-#:-x 4>23 m =5: H.  Dik0%oyF |`n~ihB3xr|f lBiq61'8AF9B<U& & `!31T3'\%HL.C& 9"+#!! aL%q`~ &8} s[W{ \|){xdxod  </0-IL)$+(/4WAs $;E%;6_Bl.5" >$ 8>'#E 3!/7z"Y) {lkd!QR{w_+ TvMposaonpcww-15)~8Q 6 -'A,?Z" iQ%K DHdb]6f2@$KPk8S9T!G%Y '- ~)!Vu}e-xpdoQ-b{p dW{2t'tcmu:{5 (:=Nq94JD@5C6 g= -A??8Qq$K"%L+E 1J4K/(6h!#  2H A,c ~mwx<U$*M3gTu#* B0,"/?TC(+!!aQ\g>7AG0!QZoL%5*$Z C",b$ (1 1= s8s! #_e+$u|Vn^agszO!pQIULPV<7C :K;@\ R*>?a['[+g T38#: E3N?E.|P D  "sE yfq~myxzi_|xWcdauco@ml  )4B O0!GHe(O9J\'3#Od T(>?7^Pv4'bD H>9T88>$3@  jeQ`|lb-f}hHZwo7xwj]]~ !9`, 8%#9"'q C US>U -%C!94aPC=8F1m=}G,e"bRG,e  Mnc4a0p#) huSOt' kE~jCesxviXiu (*{H_ >+8 y7-JTlZ  8x*03ZxG [-Ni+?"F^@/HJ;Ho9I-,/FDC26-m!"_],ssi?hWn\var#w|C ^ p 2u @\ 8 /\(XPM="LMZN]W:+,Yk}Hhw4lm 6s L K2%M=CT51S0!"*wp n<(a vqgkw>~iNLm py Y1l )<'z 6+HJTw$ja<$sOARm<}d')"WdD!mtAh?|e95+B}W%= /8G$4 \%L!}+`&f=\sbMRi1yhv omwn+  Q0<=   0JEnkt%2_eG\%|.b[$4EYS<&%_Y^ckT)>0;$(vHDu@.72\=0&_-?  96|lymf2~q q w%}_/}wu }Of ny Fr"  0/ :)`">AbK t`x;~xaOQne[ Dx4yZ_vJ~aH\'d  C" 6 /,ts *), =z`boA{z x^kdx[p9n|d  -.&.F#'+1M8EU=4IW. T\mbcR}PQ~"y0r~!5B_8HJ#^Ba?81YR  ,<  i$wltvsnfSq_F?j` ~%H  4.C0 9A*Tt6z-pW^s1/ItVPlTcca:{8ys6{<Pn|EA;r OB` > 2N     q\}uw|wT  }jpmO{xD.P? I$J8 -G#"HEbe;z[_|\Kk:kL</K_9m4{ 9^( 8RV^71GWA!8~41! *!j~  ;"Vyio[N oq zlo,. G)A3&7HsxhB}T}OY}Ck7Qo=WQOWsig\D`wT62#W8O?;?529 >p  wPB, /op{K~} Yx m|Be iq~4r}thwih x    PN,9K,3S[pemZayB.CN^RNKR|SN(~`ci5inh_t)5G2VS]RY)IN, :LKGO 2 |+~ k {H}edhTumrl @lZ- "*$1%SDTEaD,K\5~XeKj.(IP^QIcrZ???RnAWF;Y?h> D9/M.?2 @0 .?ko V Voj}-c\xc v|:a9# X80 NS3 ?V5ScN~l_fhTg L-Rrdo6\jFlt=>byqY~"|?>V /V{-GG39 ';rk|w{g jy_rs }fo u _84 - @81 :+8^_"_$(WkvR{q6iZtwxmrUqMZ]y#L0P:R)1]t[- rn .#$l-`+( wgmowGKi+g0 94|$  ,%? = :,&3^ ^/6!iCe9RZFIq^jY  y|a6{cbb|{tTa=V&+4)6r9B Q ,-6#n bU:6 r 9+5{+:^Gu{_ s`uci}pC|  n$% 8D3 O -\fMk`t{xG1St'3Exrvww39Q'H|De> Es()lAt5+ #EU")('!N{wy 4jF}5i}ya|j(E~qh0 8K .0+2`902=X8E~`*9yiOvmD~}Cotibi1mys7$+Cad- @& "Za0u# !!z}yp}lvg]q4Rw{wzO(@|,7"$W +A$FD<BPc<0TjXi `dWG1NwvroyEu P3`9i; -^9QC= % H+3 U(i<65 qp  ntzz"to   '1# .C1J(}QUoYWmQ9Vw _W^%p)ZzB,4"'9j?++]" ' $L$A!;`!(Juep_5d p)%s_ O&;p lF ='\[<)'  <;.Cv=<HITZy]r|Mhxzk5hdUb"Fj >A/s()a%(2-> $lu{eW[$"u~~^c~vzr y-(=>" Z 9C%!!"53QV"LrpGwW~jvdul~;[<C5ROr[aLnER$0-3\=\CR>@G :*4%t  #@Xtmb