O-77.F-0605-2006

PI: Kay Justtanont (kay@astro.su.se)

Title: Probing the superwind around extreme OH/IR stars

Frontend: APEX2a, FLASH

Backend: FFTS1 4096 channels

Lines:

Transition Frequency Unit Sideband Remark
CO(3-2) 345.796 GHz USB  
CO(4-3) 461.04 GHz LSB  
CO(7-6) 806.7 GHz LSB  

Time allocated: 20 hrs (26.5 hrs observed)

Source list and status:

Source Line Scan range(s) Integrated Tpeak rms (mK) S/N required rms (mK)
      on sou (min) (K) @ dv=0.21/0.16/0.09   at 0.16 km/s res.
AFGL5379 CO(3-2) 23092, 23592, 23604 7.3 1.3 83 15.7 100
RA=17:44:23.9 CO(4-3) 23111 - 23121, 23513 - 23520 33.9 1.3 110 11.8 100
Dec=-31:55:39 CO(7-6) 23111 - 23121, 23513 - 23520 34.0 0.7 315 2.2 200
 
IRAS18100-1915 CO(3-2) 23606 - 23619 19.7 (gal. absorption) 78 --- 100
RA=18:13:03.1 CO(4-3) 23126 - 23134, 23524, 23526 29.5 (gal. absorption) 107 --- 100
Dec=-19:14:19 CO(7-6) 23126 - 23134, 23524, 23526 29.7 < 282 --- 200
 
OH21.5+0.5 CO(3-2) 24323-24330 11.4 0.15 56 2.8 100
RA=18:28:30.9 CO(4-3) 23139-23147, 23532, 23534 27.1 0.07 112 <1 100
Dec=-09:58:15 CO(7-6) 23139-23147, 23532, 23534 27.3 < 284 --- 200
 
IRAS18327-0715 CO(3-2) 24333, 24335 10.1 (narrow lines) 52 --- 100
RA=18:35:29.2 CO(4-3) 23156-23166, 23536 - 23542 31.8 (gal. absorption) 108 --- 100
Dec=-07:13:11 CO(7-6) 23156-23166, 23536 - 23542 32.0 < 279 --- 200
 
IRAS18361-0647 CO(3-2) 24337, 24339 7.5 (narrow lines) 61 --- 100
RA=18:38:50.5 CO(4-3) 23179-23189, 23547 - 23563 37.3 (narrow lines & absorption) 102 -- 100
Dec=-06:44:50 CO(7-6) 23179-23189, 23547 - 23563 37.5 < 284 --- 200
 
OH30.7+0.4 CO(3-2) 24341, 24343 7.5 (narrow lines & absorption) 71 --- 100
RA=18:46:05.8 CO(4-3) 23194-23198, 23565 - 23571 23.1 (narrow lines & absorption) 138 --- 100
Dec=-01:59:17 CO(7-6) 23194-23198, 23565 - 23571 23.2 < 470 --- 200
 
OH30.1-0.7 CO(3-2) 24345, 24347 7.6 -1.9 (absorption) 63 ~30 100
RA=18:48:40.8 CO(4-3) 23378 - 23386 20.8 -1.5 (absorption) 74 ~20 100
Dec=-02:50:29 CO(7-6) 23378 - 23386 21.0 < 217 --- 200
 
IRAS18488-0107 CO(3-2) 24349, 24351 7.6 2.9 64 ~45 100
RA=18:51:26.3 CO(4-3) 23391 - 23397, 23575, 23577 19.8 1.3 101 ~13 100
Dec=-01:03:52 CO(7-6) 23391 - 23397, 23575, 23577 19.9 < 291 --- 200
 
OH32.8-0.3 CO(3-2) 24353, 24355 7.6 4.5 (@ v~90km/s) 69 ~34 100
RA=18:52:22.3 CO(4-3) 23404 - 23425 21.4 2.5 (@ v~90km/s) 91 ~27 100
Dec=-00:14:12 CO(7-6) 23404 - 23425 21.9 < 279 < 200
 
IRAS19067+0811 CO(3-2) 24357, 24359 7.6 72 (narrow lines) --- 100
RA=19:09:08.2 CO(4-3) 23432 - 23438, 23579 - 23583 24.7 (narrow lines) 121 --- 100
Dec=+08:16:37 CO(7-6) 23432 - 23438, 23579 - 23583 25.4 < 430 --- 200

Status as of 29/06/06

Project is finished!

If available, additional FLASH time could be given to sources OH30.7+0.4 and IRAS19067+0811 in order to improve S/N.

-- MichaelDumke - 29 Jun 2006

Summary of observations and links to observing logs

Date Time (UTC) Time spent Scan number Lines Objects Observer Remarks
21 Jun 2006 23:30 - 23:59 0.5 h 23068-23092 CO(3-2) AFGL5379 VRE, FMA pwv: 0.3 mm
22 Jun 2006 00:00 - 09:45 9.75 h 23092-23199 CO(4-3), CO(7-6) AFGL5379, IRAS18100-1915, OH21.5+0.5, IRAS18327-0715, IRAS18361-0647, OH30.7+0.4 VRE, FMA pwv: 0.3 mm
23 Jun 2006 04:10 - 09:40 5.5 h 23356-23439 CO(4-3), CO(7-6) OH30.1-0.7, IRAS18488-0107, OH32.8-0.3, IRAS19067+0811 MDU, FMA, MMA pwv: 0.3 mm
24 Jun 2006 01:45 - 09:30 7.5 h 23508-23622 all AFGL5379, IRAS18100-1915, OH21.5+0.5, IRAS18327-0715, IRAS18361-0647, OH30.7+0.4, IRAS18488-0107, IRAS19067+0811 MDU, FMA, MMA pwv: 0.6 mm
28 Jun 2006 04:30 - 08:00 3.5 h 24317-24360 CO(3-2) OH21.5+0.5, IRAS18327-0715, IRAS18361-0647, OH30.7+0.4, OH30.1-0.7, IRAS18488-0107, OH32.8-0.3, IRAS19067+0811 MDU, MMA pwv: 0.8 mm