! Proposal 6608, submission 1
! PI: Wil van Breugel
! Received Sun Feb 11 19:47:21 EST 1996
! From: dey@noao.edu
! Hubble Space Telescope Cycle 6 (1996) Phase II Proposal Template
! $Id: 6608,v 3.1 1996/02/12 15:58:05 pepsa Exp $
! Hubble Space Telescope Cycle 6 (1996) Phase II Proposal Template
! $Id: 6608,v 3.1 1996/02/12 15:58:05 pepsa Exp $
!
! Refer to the HST Phase II Proposal Instructions to fill this out
!
! Anything after a "!" is ignored, and may be deleted
!
! All keywords with multiple entries are comma delimited except the
! Visit_Requirements and Special_Requirements keywords which can be
! delimited with carriage returns or semi-colons, but not commas
!
! For help call your Program Coordinator: Lucas
! Phone: 410-338-4716 , E-mail: lucas@stsci.edu
!
! This partially completed template was generated from a Phase I proposal.
! Name of Phase I Proposal: archive-0565.van_breugel.prop
! Date generated: Fri Dec 22 16:33:29 EST 1995
!
Proposal_Information ! Section 4
Title: DETAILED STUDIES OF TWO Z > 3.5 RADIO
GALAXIES
Proposal_Category: GO
Scientific_Category: COSMOLOGY
Cycle: 6
Investigators
PI_name: Wil van Breugel
PI_Institution: Lawrence Livermore National Laboratory
CoI_Name: Huub Roettgering
CoI_Institution: Leiden Observatory
Contact: ! Y or N (designate at most one contact)
CoI_Name: George Miley
CoI_Institution: Leiden Observatory
Contact: ! Y or N (designate at most one contact)
CoI_Name: Hyron Spinrad
CoI_Institution: University of California, Berkeley
Contact: ! Y or N (designate at most one contact)
Abstract: ! Free format text (please update)
A moderately deep image (6 hrs, F702W+WFPC2) of one of the
highest redshift radio galaxies (4C41.17 at z = 3.80) has
shown that the rest-frame UV continuum has 1) numerous bright
knots along the inner radio source axis, and 2) a clumpy
companion system. Both components appear embedded in a common
halo of diffuse emission. These observations suggest that we
may be witnessing, for the first time, the formation of a
galaxy due to the merging of (star forming?) subclumps, as
predicted in dissipative galaxy formation scenarios, and of
the effects of a young (quasar like ?) AGN on this
environment. We propose to obtain a deep HST rest-frame UV
(F702W) image of one other z > 3.5 radio
galaxy which we have discovered in our ongoing groundbased
surveys: 4C 0512+60 at z = 3.790.
Combined with extensive groundbased (Keck) observations and
future HST NICMOS near-IR imaging and STIS longslit
spectroscopy these data will provide crucial new information
about key factors which shape young HZRGs (galaxy, AGN,
environment, redshift), and will allow us to explore the
possible connection between galaxy formation and the origin of
AGN, and to test certain attributes of radio galaxy / quasar
`unification' models.
Questions ! Free format text (please update)
Observing_Description:
Our aims for the current proposal are to explore whether the
rest-frame UV and Ly-alpha morphologies such as seen 4C41.17
(clumpy structure, aligned component, nearby companion, and
diffuse halo) are a common property of very HZRGs. Our
groundbased, 0.5 " seeing data of
4C 0512+60 (z = 3.790)
shows good reason to suspect that this is the case, but the
high spatial resolution of HST is essential for imaging their
morphologies in detail. Perhaps the most surprising new
result from the 4C41.17 observations has been the discovery
of its clumpy, amorphous companion system. Its diffuse halo
and morphological connection to 4C41.17 itself was not seen
in the pre-Costar HST images (Miley Etal 1992, ApJ. 401 L69),
nor could it have been detected in post-Costar images with
the 4 times shorter exposure times used in the cycle 5 and
the (proposed) cycle 6 'mini-survey' of HZRG structures.
Indeed, even deeper observations of 4C41.17 itself would have
been helpful since much of the diffuse F702W continuum
emission is only visible at the 2 -- 3 Sigma, or 25.2
mag/(sq.arcsec) level. The faintest clumps in the 4C41.17
field are 26.7 mag. We will examine the usefulness of an
ultradeep image, like the 32 orbit exposure of 3C324 by
Dickinson Etal, of one of the z > 3.5 radio galaxies when we
have high quality data on a number of them.
4C 0512+60 (m_R ~ 23.5) is 0.3 mag fainter
than 4C41.17. It is unclear whether this means that the
individual clumps will be also fainter, whether there will be
fewer of them, or whether the low surface brightness emission
will be lower. Since this target is at nearly the
same redshift as 4C41.17 we choose to image this object to the same
depth (10 orbits) allowing us to evaluate the morphological
similarities/differences between these HZRGs at the same
sensitivity levels.
Real_Time_Justification:
None.
Calibration_Justification: ! Move appropriate text from Real_Time_Justification
None.
Additional_Comments:
Since only 10 orbits (out of 25 requested) have been allocated
we will image only
one target, in one filter (F702W), and we will not use the LRF.
Fixed_Targets ! Section 5.1
Target_Number: 1
Target_Name: GAL-0512+60
Alternate_Names: 4C0512+60
Description: GALAXY, RADIO GALAXY,HIGH Z GAL,PROTOGALAXY
Position: RA=5H 12M 54.81S +/- 0.010S, DEC=60D 30' 51.9" +/- 0.1"
Equinox: J2000
RV_or_Z: Z = 3.790
RA_PM: 0.0
Dec_PM: 0.0
Epoch:
Annual_Parallax: 0.0
Flux: V = 24.5
B-V = 1.2
SURF(R)=29.0,SIZE=0.1 +/- 0.05
Comments: FAINT, EXTENDED GALAXY 15'' NWW OF DOUBLE STAR A.
MUST BE SURE STAR A DOES NOT HAVE
SPIKE THROUGH TARGET ON PC1; PA STAR - TARGET = 297
PC1 BLOOM PA=315; TRIED VARIOUS ORIENTS, BUT MOST
OF THESE GIVE SCHED IN FEB 97. FOUND THAT BEST I CAN
DO IS ORIENT OF 262 +/- 10. BUT CAN I TRUST THE
PROGRAM .....?
Solar_System_Targets
Generic_Targets
Scan_Data
Visits ! Section 6
Visit_Number: 01
Visit_Requirements: ! Section 7.1
ORIENT 252.0D TO 272.0D
! Uncomment or copy visit level special requirements needed
! Most of these requirements (including ORIENT) will limit scheduling
! PCS MODE [Fine | Gyro]
! GUIDing TOLerance <angle>
! DROP TO GYRO IF NECESSARY [NO REACQuisition]
! ORIENTation <angle1> TO <angle2>
! ORIENTation <angle1> TO <angle2> FROM <visit>
! ORIENTation <angle1> TO <angle2> FROM NOMINAL
! SAME ORIENTation AS <visit>
! CVZ
! PARallel
! SCHEDulability <percentage>
! AFTER <visit> [BY <time1> [TO <time2>]]
! AFTER <date>
! BEFORE <date>
! BETWEEN <date1> AND <date2>
! GROUP <visit-list> WITHIN <time>
! PERIOD <time> AND ZERO-PHASE <date>
! SEQ <visit-list> WITHIN <time>
! ON HOLD [FOR <visit-list>]
On_Hold_Comments:
Visit_Comments:
Exposure_Number: 10 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2600S
Special_Requirements: POS TARG 0.0,0.0
Exposure_Number: 20 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.0,0.0
Exposure_Number: 30 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.0,0.0
Exposure_Number: 40 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.0,0.0
Exposure_Number: 50 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.0,0.0
! Uncomment or copy exposure level special requirements needed
! INTeractive ACQuisition FOR <exp-list>
! ONBOARD ACQuisition FOR <exp-list>
! SAVE OFFSET <id>
! USE OFFSET <id>
! POSition TARGet <x-value>,<y-value>
! SAME POSition AS <exp>
! DO FOR TARGets <targ-list> ! FGS only
! PARallel WITH <exp>
! GROUP-FGS <exp-list> WITHIN <time>
! SPATIAL SCAN <#> [<exp-list> | SINGLE-EXP ]
! RT ANALYSIS [FOR <exp-list>]
! REQuires UPLINK
! REQuires EPHEMeris CORRection <id>
! END ORBIT
! EXPAND
! LOW-SKY
! MAXimum DURation [<time> | <%>]
! MINimum DURation [<time> | <%>]
! NO SPLIT
! PHASE <number1[0,1]> TO <number2[0,1]>
! SEQuence <exp-list> NON-INTerruptible
! SHADOW
Visit_Number: 02
Visit_Requirements: ! Section 7.1
SAME ORIENT AS 01
! Uncomment or copy visit level special requirements needed
! Most of these requirements (including ORIENT) will limit scheduling
On_Hold_Comments:
Visit_Comments:
Exposure_Number: 10 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2600S
Special_Requirements: POS TARG 0.25,0.25
Exposure_Number: 20 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.25,0.25
Exposure_Number: 30 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.25,0.25
Exposure_Number: 40 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.25,0.25
Exposure_Number: 50 ! Section 6.5
Target_Name: GAL-0512+60
Config: WFPC2
Opmode: IMAGE
Aperture: PC1-FIX
Sp_Element: F702W
Wavelength:
Optional_Parameters:
Number_of_Iterations: 1
Time_Per_Exposure: 2700S
Special_Requirements: POS TARG 0.25,0.25
Comments:
Data_Distribution ! Defaults indicated; change if desired
Medium: 8MM ! 8MM or 6250BPI or 1600BPI
Blocking_Factor: 10 ! 10 or 1
! Only astronomers with very old 9-
! track tape drives should consider
! a blocking factor of 1
Ship_To: PI_Address ! STSCI or PI_Address or <free-text>
! PI Address from Phase I is:
!
! L-413
! 7000 East Avenue
! Livermore
! 94550
!
!
Ship_Via: UPS ! UPS (2-day) or OVERNIGHT
! Overnight shipping done at PI expense
Recipient_Email: ! Needed if Ship_To: is not PI_Address
! <free-text>
! Let us know what you think of this template and software!
! Please send a list of your likes and dislikes to your Program Coordinator