Tangential Velocities of Objects in the Orion Nebula and Locating the Embedded Outflow Sources.

This submission removes the unexcuted visits that incorporate ACS observations. It adjusts a few copy numbers and exposure times. It creates new visits that do not at all include ACS observations. There are flags on Visits 61 and 62 saying Warning: Parallels significantly extend alignment times. This warning is not a problem to the PI. ----- Submission 8 (Mon Nov 13 10:13:08 EST 2006) ----- ----- Attempting Submission 9 (Tue Mar 20 20:24:37 GMT 2007) ----- ----- Attempting Submission 10 (Thu Mar 22 18:09:38 GMT 2007) ----- ----- Attempting Submission 11 (Mon Mar 26 19:12:21 GMT 2007) ----- The only new flags concern the new visit 66, where it says that the WFPC2 observations have been shortened. I can find no difference between the exposure times requested and those shown in the orbit planning output. Tangential Velocities of Objects in the Orion Nebula and Locating the Embedded Outflow Sources. The Orion Nebula is arguably the Rosetta Stone for studying a very young star cluster and how the radiation and outflowing plasma from its stars interact with ambient material. It has been the subject of numerous HST imaging studies, which means that there is good opportunity for determining tangential velocities by obtaining second epoch images during Cycle 15, which may be the last cycle for which the WFPC2 is available. These velocities in the plane-of-the-sky will allow us to determine the patterns of outflow from micro-jets smaller than the Solar System to jet driven shocks more than a parsec from their sources. Combined with radial velocities, we'll obtain spatial velocities, which are critical to determining where the embedded sources are located that produce the numerous HH objects coming from the Orion-S and BN-KL regions. We'll also be able to determine the physics that is operating in the LL Ori type of outflows (where a bipolar jet is being distorted by a slow wind coming from the nebula). We will also be able to search for runaway stars caused by the disintegration of young multiple-star systems. All of this is possible because the long-time base of the WFPC2 and ACS observations allow a new level of astrometric precision to be obtained and to be done efficiently by making coordinated parallel observations with all images.

Imaging observations will be made throughout the central region of the Orion Nebula for purposes of determining proper motions. Three pointings will be made with the WFPC2 and three in ACS. Each of the three pointings will have parallel observations (ACS and NICMOS with WFPC2 and (WFPC2 and NICMOS with ACS). ISM AND CIRCUMSTELLAR MATTER 12 false 0.0 false false false false false false SUPPORTED ISM HII REGION V Magnitude is bogus, it is an emission-line source with no bright stars. J2000 05 35 19.7900 -05 24 6.50 J2000 ISM HII REGION V Magnitude is bogus, it is an emission-line source with no bright stars. J2000 05 35 19.7900 -05 24 6.50 J2000 ISM HII REGION V magnitude is bogus, it is an emission line object with no bright stars. J2000 05 35 13.2100 -05 25 6.30 J2000 ISM HII REGION V magnitude is bogus, this is an emission line object with no bright stars. J2000 05 35 2.4300 -05 24 48.00 J2000 ISM HII REGION V magnitude is bogus, this is an emission line object with no bright stars. J2000 05 35 28.2900 -05 29 46.30 J2000 ISM HII REGION V magnitude is bogus, this is an emission line object with no bright stars. J2000 05 35 18.4100 -05 29 37.30 J2000 ISM HERBIG-HARO OBJECT V magnitude is a dummy value as this is an extended source. J2000 00 00 0.0000 +00 00 0.00 J2000 ISM HERBIG-HARO OBJECT V magnitude is a dummy value as this is an extended source. J2000 00 00 0.0000 +00 00 0.00 J2000 WFPC2 Imaging No F502N WFPC2 Imaging No F547M WFPC2 Imaging No F631N WFPC2 Imaging No F656N WFPC2 Imaging No F658N WFPC2 Imaging No F673N ACS/WFC Imaging No No F502N ACS/WFC Imaging No No F550M ACS/WFC Imaging No No F658N ACS/WFC Imaging No No F660N NIC3 Imaging No No F212N NIC3 Imaging No No F215N WFPC2 Imaging No F502N WFPC2 Imaging No F547M WFPC2 Imaging No F631N WFPC2 Imaging No F656N WFPC2 Imaging No F658N WFPC2 Imaging No F673N ACS/WFC Imaging No No F502N ACS/WFC Imaging No No F550M ACS/WFC Imaging No No F658N ACS/WFC Imaging No No F660N NIC3 Imaging No No F212N NIC3 Imaging No No F215N WFPC2 Imaging No F502N WFPC2 Imaging No F547M WFPC2 Imaging No F656N WFPC2 Imaging No F658N ACS/WFC Imaging No No F658N NIC3 Imaging No No F212N NIC3 Imaging No No F215N ACS/WFC Imaging No No F502N ACS/WFC Imaging No No F550M ACS/WFC Imaging No No F658N ACS/WFC Imaging No No F660N WFPC2 Imaging No F502N WFPC2 Imaging No F547M WFPC2 Imaging No F656N WFPC2 Imaging No F658N NIC3 Imaging No No F212N NIC3 Imaging No No F215N ACS/WFC Imaging No No F502N ACS/WFC Imaging No No F550M ACS/WFC Imaging No No F658N ACS/WFC Imaging No No F660N WFPC2 Imaging No F502N WFPC2 Imaging No F547M WFPC2 Imaging No F656N WFPC2 Imaging No F658N NIC3 Imaging No No F212N NIC3 Imaging No No F215N ACS/WFC Imaging No No F658N WFPC2 Imaging No F547M WFPC2 Imaging No F656N WFPC2 Imaging No F658N NIC3 Imaging No No F212N NIC3 Imaging No No F215N POS-TARG DITHER 3.011 LINE false false 2 85.279999 ACS-WFC-DITHER-LINE 1

false

1174413676002 Orion-S Observations (Tic-Visit :proposal-id 10921 :visit-id "01" :proposal-version -1 :trans-version "20061109" :date "20-Mar-2007 12:01:12.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 2031920 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "01" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2725 :al-overhead-at-end 151 :internal-dur-at-end 349 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) (Tic-Orbit :proposal-id 10921 :visit-id "01" :orbit-number 2 :pcs-time 355 :si-vis-utilization 2775 :al-overhead-at-end 0 :internal-dur-at-end 485 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 2 0 1174413676002 /Volumes/Mac2/HSTcycles/Cycle15/OrionProperMotions/PhaseII/OP-cache/backup-v61.xml 1174924230728 Orion-S Observations repeat of visit 1, orient and target updated, GSC1 positions used to get guidestars ACS coordinated parallel removed, (Tic-Visit :proposal-id 10921 :visit-id "61" :proposal-version -1 :trans-version "20061109" :date "26-Mar-2007 09:50:30.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 1000112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "61" :obset-id "61" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "61" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2760 :al-overhead-at-end 127 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) (Tic-Orbit :proposal-id 10921 :visit-id "61" :orbit-number 2 :pcs-time 355 :si-vis-utilization 2687 :al-overhead-at-end 0 :internal-dur-at-end 153 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 2 0 /private/tmp/OPVisit26664.xml 1174934616774 (Tic-Visit :proposal-id 10921 :visit-id "62" :proposal-version -1 :trans-version "20061109" :date "26-Mar-2007 12:43:34.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 1044928 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "62" :obset-id "62" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "62" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2734 :al-overhead-at-end 151 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) (Tic-Orbit :proposal-id 10921 :visit-id "62" :orbit-number 2 :pcs-time 355 :si-vis-utilization 2734 :al-overhead-at-end 151 :internal-dur-at-end 153 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 2 0 (Tic-Visit :proposal-id 10921 :visit-id "03" :proposal-version -1 :trans-version "20060322" :date "02-May-2006 16:21:47.0" :trans-errors '(:WARNINGS 3 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 957904 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "03" :obset-id "03" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "03" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2713 :al-overhead-at-end 24 :internal-dur-at-end 424 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 1 0 (Tic-Visit :proposal-id 10921 :visit-id "05" :proposal-version -1 :trans-version "20060322" :date "02-May-2006 16:22:21.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 2680912 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "05" :obset-id "05" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "05" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2776 :al-overhead-at-end 54 :internal-dur-at-end 443 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) (Tic-Orbit :proposal-id 10921 :visit-id "05" :orbit-number 2 :pcs-time 355 :si-vis-utilization 2726 :al-overhead-at-end 54 :internal-dur-at-end 349 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 2 0 (Tic-Visit :proposal-id 10921 :visit-id "06" :proposal-version -1 :trans-version "20060322" :date "02-May-2006 14:25:44.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 1371376 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "06" :obset-id "06" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "06" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2736 :al-overhead-at-end 119 :internal-dur-at-end 450 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 1 0 /private/tmp/OPVisit26668.xml 1174934804464 This is the WFPC2 substitute for ACS Visit 6 to HH 540. (Tic-Visit :proposal-id 10921 :visit-id "64" :proposal-version -1 :trans-version "20061109" :date "26-Mar-2007 12:46:44.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 234480 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "64" :obset-id "64" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "64" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2774 :al-overhead-at-end 123 :internal-dur-at-end 101 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 1 0 1174415584874 /private/tmp/OPVisit26671.xml 1174934988387 This is the WFPC2 substitute on HH 540 for ACS visit 6. (Tic-Visit :proposal-id 10921 :visit-id "66" :proposal-version -1 :trans-version "20061109" :date "26-Mar-2007 12:49:48.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "23" :si-bright-earth-limb-angle 20.0 :data-volume 544224 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 10921 :visit-id "66" :obset-id "66" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 10921 :visit-id "66" :orbit-number 1 :pcs-time 355 :si-vis-utilization 2741 :al-overhead-at-end 79 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) (Tic-Orbit :proposal-id 10921 :visit-id "66" :orbit-number 2 :pcs-time 355 :si-vis-utilization 2737 :al-overhead-at-end 23 :internal-dur-at-end 144 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3132 :pcs-gap 0 ) false 2 0 1174420088206