Extragalactic H2CO ALMA Project Results and Discussion


TIP Last Modified: JeffMangum - 28 September 2015

Table of Contents:


Overview of the Project

  • Cycle 2 Proposal:
    • Band 6 and 7 H2CO in NGC253, Arp220, and NGC4945
    • Project Code: 2013.1.00099.S

Observing Setup

  • Band 6 Setup (BB == Baseband):
    • BB1: H2CO 3(03)-2(02) at 218.222192 GHz
    • BB1: H2CO 3(22)-2(21) at 218.475632 GHz
    • BB1: H2CO 3(21)-2(20) at 218.760066 GHz
    • BB2: H213CO 3(12)-2(11) at 219.909 GHz
    • BB3: Continuum at 234.7 GHz
  • Band 7 Setup (BB == Baseband):
    • BB1: H2CO 5(15)-4(14) at 351.768645 GHz
    • BB2: H2CO 5(05)-4(04) at 362.736048 GHz
    • BB2: H2CO 5(24)-4(23) at 363.945894 GHz
    • BB2: H2CO 5(42)-4(41) at 364.103249 GHz
    • BB2: H2CO 5(41)-4(40) at 364.103249 GHz
    • BB2: H2CO 5(33)-4(32) at 364.275141 GHz
    • BB2: H2CO 5(32)-4(31) at 364.288884 GHz
    • BB3: H2CO 5(23)-4(22) at 365.363428 GHz
  • Arp220:
    • Band 6 / 7 Channel Width: ~11 / ~6.5 km/s
    • Band 6 / 7 Spatial Resolution: ~0.3 / ~0.3 arcsec
  • NGC253:
    • Band 6 / 7 Channel Width: ~2.7 / ~3.3 km/s
    • Band 6 / 7 Spatial Resolution: ~2 / ~2 arcsec
  • NGC4945:
    • Band 6 / 7 Channel Width: ~5.3 / ~6.5 km/s
    • Band 6 / 7 Spatial Resolution: ~2 / ~2 arcsec

Observing Summary

Arp220

SB: Arp220_a_06_TE
  • Source: Arp220
  • Array: Main
  • Position: RA=15:34:57.22 Dec=+23:30:11.61
  • Band 06: 3 Spectral Windows Centered at Sky Frequency 214.3/215.9/230.5 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/TDM
  • BB_1: width: 1875.000MHz, 3840 channels
  • BB_2: width: 1875.000MHz, 3840 channels
  • BB_3: width: 2000.000MHz, 128 channels
  • 18.3 mins on source per execution, 18.3 mins on source total
    • Observed:
      • 2015-07-23 22:50 - 23:42 UT
      • Data Delivered: 2015-09-28

SB: Arp220_a_07_TE
  • Source: Arp220
  • OUS: uid://A001/X122/X42
  • SBID: uid://A001/X122/X32
  • Array: Main
  • Position: RA=15:34:57.22 Dec=+23:30:11.61
  • Band 07: 3 Spectral Windows Centered at Sky Frequency 345.4/356.9/358.2 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/FDM
  • BB_1: width: 1875.000MHz, 3840 channels
  • BB_2: width: 1875.000MHz, 3840 channels
  • BB_3: width: 1875.000MHz, 3840 channels
  • 12.9 mins on source per execution, 12.9 mins on source total
    • Observed:
      • 2015-??-?? ??:??:?? - ??:??:??
    • Data Delivered: 2015-06-30

NGC253

SB: NGC253_a_06_TE
  • Source: NGC253
  • OUS: uid://A001/X122/X46
  • SBID: uid://A001/X122/X33
  • Array: Main
  • Position: RA=00:47:33.13 Dec=-25:17:19.68
  • Band 06: 3 Spectral Windows Centered at Sky Frequency 218.0/219.7/234.5 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/TDM
  • BB_1: width: 1875.000MHz, 3840 channels
  • BB_2: width: 1875.000MHz, 3840 channels
  • BB_3: width: 2000.000MHz, 128 channels
  • 36.2 mins on source per execution, 36.2 mins on source total
    • Observed:
      • 2015-05-02 16:16:22 - 17:27:03
    • Data Delivered: 2015-06-16

SB: NGC253_a_06_7M
  • Source: NGC253
  • MOUS: uid://A001/X122/X48
  • Array: ACA
  • Position: RA=00:47:33.13 Dec=-25:17:19.68
  • Band 06: 3 Spectral Windows Centered at Sky Frequency 218.0/219.7/234.5 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/TDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1937.500MHz, 124 channels
  • 24.1 mins on source per execution, 72.4 mins on source total
    • Observed:
      • 2014-06-04 09:12:16 - 10:04:12
      • 2014-06-04 10:17:53 - 11:15:19
      • 2014-06-04 11:25:14 - 12:23:20
    • Data Delivered: 2014-07-08

SB: NGC253_a_06_TP
  • Source: NGC253
  • MOUS: uid://A001/X196/X1e
  • Array: TP
  • Position: RA=00:47:33.13 Dec=-25:17:19.68
  • Band 06: 3 Spectral Windows Centered at Sky Frequency 218.0/219.7/234.5 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/TDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1937.500MHz, 124 channels
  • 20 mins on source per execution, 60 mins on source total
    • Observed:
      • 2015-??-?? ??:??:?? - ??:??:??
    • Data Delivered: 2015-??-??

SB: NGC253_a_07_TE
  • Source: NGC253
  • MOUS: uid://A001/X122/X4c
  • Array: Main
  • Position: RA=00:47:33.13 Dec=-25:17:19.68
  • Band 07: 3 Spectral Windows Centered at Sky Frequency 351.5/363.1/364.5 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/FDM
  • BB_1: width: 1875.000MHz, 3840 channels
  • BB_2: width: 1875.000MHz, 3840 channels
  • BB_3: width: 1875.000MHz, 3840 channels
  • 32.7 mins on source per execution, 32.7 mins on source total
    • Observed:
      • 2014-05-19 09:15:59 - 10:13:32
    • Data Delivered: 2014-09-12

SB: NGC253_a_07_7M
  • Source: NGC253
  • MOUS: uid://A001/X122/X4e
  • Array: ACA
  • Position: RA=00:47:33.13 Dec=-25:17:19.68
  • Band 07: 3 Spectral Windows Centered at Sky Frequency 351.5/363.1/364.5 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/FDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1992.188MHz, 4080 channels
  • 32.7 mins on source per execution, 65.3 mins on source total
    • Observed:
      • 2014-05-19 10:20:02 - 11:36:34
      • 2014-06-08 09:49:14 - 11:05:38
    • Data Delivered: 2014-10-08

SB: NGC253_a_07_TP
  • Source: NGC253
  • MOUS: uid://A001/X196/X20
  • Array: TP
  • Position: RA=00:47:33.13 Dec=-25:17:19.68
  • Band 07: 3 Spectral Windows Centered at Sky Frequency 351.5/363.1/364.5 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/FDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1992.188MHz, 4080 channels
  • 20 mins on source per execution, 60 mins on source total
    • Observed:
      • 2015-??-?? ??:??:?? - ??:??:??
    • Data Delivered: 2015-??-??

NGC4945

SB: NGC4945_a_06_TE
  • Source: NGC4945
  • MOUS: uid://A001/X122/X52
  • Position: RA=13:05:27.28 Dec=-49:28:04.44
  • Band 06: 3 Spectral Windows Centered at Sky Frequency 217.8/219.5/234.3 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/TDM
  • BB_1: width: 1875.000MHz, 3840 channels
  • BB_2: width: 1875.000MHz, 3840 channels
  • BB_3: width: 2000.000MHz, 128 channels
  • 24.7 mins on source per execution, 24.7 mins on source total
    • Observed:
      • 2014-12-28 10:13:31 - 11:03:32
    • Data Delivered: 2015-02-10

SB: NGC4945_a_06_7M
  • Source: NGC4945
  • MOUS: uid://A001/X122/X54
  • Array: ACA
  • Position: RA=13:05:27.28 Dec=-49:28:04.44
  • Band 06: 3 Spectral Windows Centered at Sky Frequency 217.8/219.5/234.3 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/TDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1937.500MHz, 124 channels
  • 24.7 mins on source per execution, 49.4 mins on source total
    • Observed:
      • 2014-06-09 22:56:45 - 23:54:51
      • 2014-06-10 23:35:26 - 2014-06-11 00:33:46
    • Delivered: 2014-08-11

SB: NGC4945_a_06_TP
  • Source: NGC4945
  • MOUS: uid://A001/X196/X30
  • Array: TP
  • Position: RA=13:05:27.28 Dec=-49:28:04.44
  • Band 06: 3 Spectral Windows Centered at Sky Frequency 217.8/219.5/234.3 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/TDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1937.500MHz, 124 channels
  • 24.7 mins on source per execution, 49.4 mins on source total
    • Observed:
      • 2015-05-03 00:10:21 - 01:03:19
      • 2015-05-03 01:03:40 - 01:58:47
      • 2015-05-03 02:23:31 - 03:19:07
      • 2015-05-03 03:19:24 - 04:14:36
      • 2015-05-03 04:28:17 - 05:23:45
      • 2015-05-03 05:24:11 - 06:19:30
    • Delivered: 2015-??-??

SB: NGC4945_a_07_TE
  • Source: NGC4945
  • MOUS: uid://A001/X122/X58
  • Position: RA=13:05:27.28 Dec=-49:28:04.44
  • Band 07: 3 Spectral Windows Centered at Sky Frequency 351.1/362.8/364.2 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/FDM
  • BB_1: width: 1875.000MHz, 3840 channels
  • BB_2: width: 1875.000MHz, 3840 channels
  • BB_3: width: 1875.000MHz, 3840 channels
  • 44.6 mins on source per execution, 89.2 mins on source total
    • Observed:
      • 2015-??-?? ??:??:?? - ??:??:??
    • Delivered: 2015-??-??

SB: NGC4945_a_07_7M
  • Source: NGC4945
  • MOUS: uid://A001/X122/X5a
  • Position: RA=13:05:27.28 Dec=-49:28:04.44
  • Band 07: 3 Spectral Windows Centered at Sky Frequency 351.1/362.8/364.2 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/FDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1992.188MHz, 4080 channels
  • 35.4 mins on source per execution, 176.9 mins on source total
    • Observed: 2014-08-09
    • Delivered: 2014-01-16

SB: NGC4945_a_07_TP
  • Source: NGC4945
  • MOUS: uid://A001/X196/X24
  • Position: RA=13:05:27.28 Dec=-49:28:04.44
  • Band 07: 3 Spectral Windows Centered at Sky Frequency 351.1/362.8/364.2 GHz
  • Correlator modes for 3 Basebands: FDM/FDM/FDM
  • BB_1: width: 1992.188MHz, 4080 channels
  • BB_2: width: 1992.188MHz, 4080 channels
  • BB_3: width: 1992.188MHz, 4080 channels
  • 20 mins on source per execution, 60 mins on source total
    • Observed: ??-??-??
    • Delivered: 2015-??-??

Data Reduction Summary

Exgal Measurement Observation and Reduction Score Card

Galaxy NH3 (Obs/Red)
IC342
NGC253
NGC660
NGC891
Maffei2
NGC3079
M82SW
IC860
M83
NGC6946
IR15107
Arp220

Observing Setup

14A-024
  • K-Band (NH3 and OH):
    • Rest Frequencies:
      • NH3 (3,1) at 22234.5630 MHz
      • NH3 (5,4) at 22653.0720 MHz

-- JeffMangum - 2014-12-12
Topic revision: r11 - 2015-09-28, JeffMangum
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