0 Submission failed due to error communicating with the submission server. Please retry in a few minutes. If this error persists please contact the help desk at help@stsci.edu Submission failed due to error communicating with the submission server. Please retry in a few minutes. If this error persists please contact the help desk at help@stsci.edu Assigned ID: 569 ----- Attempting Submission 1 (Fri Apr 07 15:28:44 GMT 2017) ----- HST Phase I Proposal 569 (classI_jets_v3.pdf.apt) successfully submitted. Receipt: # 569-1 ----- Attempting Submission 2 (Fri Apr 07 19:53:13 GMT 2017) ----- HST Phase I Proposal 569 (classI_jets_v3.pdf.apt) successfully submitted. Receipt: # 569-2 This is a resubmission after having adjusted the exposure times to solve the orbital overrun problem 1447603505 ----- Attempting Submission 2 (Fri Dec 07 14:07:18 GMT 2018) ----- Probing jets from young embedded sources Jets are intimately related to the process of star formation and disc accretion. Our present knowledge of this key ingredient in protostars mostly relies on observations of optical jets from T Tauri stars, where the original circumstellar envelope has been already cleared out. However, to understand how jets are originally formed and how their properties evolve with time, detailed observations of young accreting protostars, i.e. the class 0/I sources, are mandatory. The study of class0/I jets will be revolutionised by JWST, able to penetrate protostars dusty envelopes with unprecedented sensitivity and resolution. However, complementary information on parameters inferred from lines in different excitation regimes, for at least a representative sample of a few bright sources, is essential for a correct interpretation of the JWST results. Here we propose to observe four prototype bright jets from class0/I sources with the WFC3 in narrow band filters in order to acquire high angular resolution images in the [OI]6300A, [FeII]1.25 and [FeII]1.64um lines. These images will be used to: 1) provide accurate extinction maps of the jets that will be an important archival reference for any future observation on these jets. 2) measure key parameters as the mass flux, the iron abundance and the jet collimation on the hot gas component of the jets. These information will provide an invaluable reference frame for a comparison with similar parameters measured by JWST in a different gas regime. In addition, these observations will allow us to confront the properties of class 0/I jets with those of the more evolved T Tauri stars. We want to obtain narrow-band images with the WFC3 of four classical class 0/I jets (HH34IRS, HH1-jet, HH111 (Orion, d=400 pc) and HH46 IRS (Gum nebula, d=450 pc)) in three transitions, namely the [FeII]1.25um, 1.64um (F126N and F164N WFC3/IR filters) and the [OI]6300A lines (F631N WFC3/UVIS filter). For each image centered on the desired line, we will obtain also a narrow-band image on the adjacent continuum (F130N, F167N, and F645N), to perform an optimum subtraction of the source direct and scattered light. The default dither pattern would be appropriate for our observations. Stellar Physics 0 false false false false true false false SUPPORTED ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES Optical WFC3 setup for HH34. Includes jet, source, redshifted side and southern bow J2000 J2000 1e-15 ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 1e-15 ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 1e-15 ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES Position for WFC/IR images. Orient places jet axis to go from one corner to another. Manages to get jet, redshifted side and southern bow shock J2000 1-e-15 ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 1e-15 ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 ISM HERBIG-HARO OBJECT JET PROTOPLANETARY DISK STAR FORMING REGION YES This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 1e-15 WFC3/IR Imaging No No F164N WFC3/IR Imaging No No F167N WFC3/IR Imaging No No F126N WFC3/IR Imaging No No F130N WFC3/UVIS Imaging No No F631N WFC3/UVIS Imaging No No F645N WFC3/IR Imaging No No F164N WFC3/IR Imaging No No F167N WFC3/IR Imaging No No F126N WFC3/IR Imaging No No F130N WFC3/UVIS Imaging No No F631N WFC3/UVIS Imaging No No F645N WFC3/IR Imaging No No F164N WFC3/IR Imaging No No F167N WFC3/IR Imaging No No F126N WFC3/IR Imaging No No F130N WFC3/UVIS Imaging No No F631N WFC3/UVIS Imaging No No F645N WFC3/IR Imaging No No F164N WFC3/IR Imaging No No F167N WFC3/IR Imaging No No F126N WFC3/IR Imaging No No F130N WFC3/UVIS Imaging No No F631N WFC3/UVIS Imaging No No F645N POS-TARG DITHER 2.806 LINE false false 3 47.11 WFC3-UVIS-DITHER-LINE 1 false POS-TARG MOSAIC DITHER 4 2.414 WFC3-UVIS-DITHER-BOX false 81.785 true 0.112 0.173 2 85.759 POS-TARG WFC3-UVIS-GAP-LINE 23.884 2 false POS-TARG DITHER 0.605 LINE false false 3 41.788 WFC3-IR-DITHER-LINE-3PT 3 false POS-TARG DITHER 0.636 LINE false false 2 41.788 WFC3-IR-DITHER-LINE 4 false The scheduling data was generated by CASM 26.2.2. 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