ODIN

1. The First Year of ODIN

2. Start-2 20 February 2001 – Launch from Svobodny, Russia

3. - Attitude Control System - Cooler & Battery - Phase lock 572 GHz - Phase lock 119 GHz Bad Things First But Things Improved e.g. Pointing & BeamOffset < 10 arcsec

4. ODIN - A SUB-MILLIMETRE SATELLITE FOR ASTRONOMY & AERONOMY 50/50

5. 1 fixed + 4 tunable receivers 2 digital hybrid autocorrelators (AC) 1 acousto-optical spectrometer (AOS)

6. The First Year of ? SPECIAL ISSUE Letters - March 2003 ODIN

7. System/Topic Author et al. Odin Observatory L. Nordh Radiometer U. Frisk Calibrations M. Olberg Highlights Å. Hjalmarson

8. Molecule Source Isotope O2 see next slide H2O W 3 Ori A H218O Comets H218O Galactic Centre H218O IRAS 16297 IC 443 NH3r Oph A Ori A 15NH3 :

9. Bad Things First L. Pagani et al. (accepted) 1 K O2 119 GHz 0.1 K 0.01 K 1 sec 1 min 1 hr 1 day

10. L. Pagani et al. Line = C18O Noise = O2

11. Odin and SWAS and O2

12. r Oph A : Odin and SWAS and O2 Spectrum TA (K) Map Vlsr (km/s) Odin: Pagani et al. 2003 SWAS: Goldsmith et al. 2002

13. SourceX(O2) • TMC 1- NH3 < 7.7 (-8) • Ori A < 8.9 (-8) • NGC 2071 < 1.5 (-7) • L 134N - NH3 < 1.7 (-7) • Oph A < 9.3 (-8) IRAS 16293 < 1.2 (-7) NGC 6334 I < 7.1 (-8) G0.26-0.01 < 7.6 (-7) M 17 SW < 5.7 (-7) S68 FIRS1 < 9.7 (-8) G34.3+0.2 <5.2 (-8) The Oxygen Desert by L. Pagani et al.

14. Odin DETECTIONS

15. Comets A. Lecacheux et al.

16. A. Lecacheux et al.

17. H2O H218O A. Lecacheux et al.

18. H2O map A. Lecacheux et al.

19. Water in W3 C. Wilson et al.

20. IRS 5 IRS 4 SWAS pointing C. Wilson et al.

21. C. Wilson et al. IRS3 no red peak: add IRS3 to IRS5 => inverted asymmetry

22. Water toward the Galactic Centre +50 CND +20 a b c Aa. Sanqvist et al.

23. Water toward the Galactic Centre Sgr A* Circum Nuclear Disk Absorption Feature N(H2) X(H2O) a 3 kpc arm 3.2 1021 > 2 10-9 b -30 km/s arm 9.0 1020 > 1 10-8 c local Sgr arm 1.0 1022 > 2 10-9 , < 5 10-8(nd H218O) Aa. Sanqvist et al.

24. Water toward IRAS 16239-2422 Hjalmarson et al. Model parameters: Schöier et al. 2002 ALI: P. Bergman central absorption due to envelope

25. Water toward the Orion Molecular Cloud Vlsr T A.O.H. & G. Olofsson et al. (0, 0) @ Ori KL

26. H2O 557 GHz Orion KL Declination - Velocity A.O.H. & G. Olofsson et al.

27. H2O & H218O in Ori KL a = H2O observed a´ – b difference b = H218O observed A.O.H. & G. Olofsson et al.

28. Ammonia toward the Orion Molecular Cloud KAO: Keene et al. 1983 Odin: B. Larsson et al. Bar: First NH3 Detection

29. Ammonia toward the Orion Molecular Cloud Xo(NH3) Ori KL Warm Gas:4.5 10-6 Outflow:6 10-7 13´´ B. Larsson et al. CO (7- 6) Odin 2´ Orion Bar X(NH3) = 5 10-9 (o/p = 1) Ori S:3 10-7 Map and Model Parameters: T. Wilson et al. 2001

30. NH3 without Phase Lock ? Telluric Ozone Line Low mixer current rms = 0.3 chnl. = 0.1 km/s Larsson et al. and Liseau et al.

31. Ammonia toward Molecular Clouds Other Sources: NGC 1333 S 140 DR 21 (OH) W 3 W 3 (OH) No Detections KAO: Keene et al. 1983 Odin: R. Liseau et al. DC: First NH3 Detection

32. NH3 toward the dense core r Oph A R. Liseau et al.

33. r Oph A NH3 (10 - 00) R. Liseau et al. (a) C17O column density N(H2) = (0.5 – 1.3) 1023 cm-2 [5 – 50 K] volume density n(H2) = (0.4 – 1.0) 105 cm-3 (b) CH3O kinetic gas temperature Tk = 20 K X(CH3OH) = 3 10-9 XE/XA = 0.89 (a & b) ammonia abundance X(NH3) = 8 10-10 Data: C17O Lovas 1992, Chandra et al. 1996, Encrenaz et al. 1974 CH3OH Pickett et al. 1998, Pottage et al. 2001, 2002 A-states: Pei et al. 1988, E-states: this work NH3 Cohen & Poynter 1974, Poynter & Kakar 1975, this work Danby et al. 1988 Consistency Checks: (11 – 11) (22 – 22) Zeng et al. 1984 (22 – 22) (33 – 33) Wootten et al. 1994 (10 – 00) ortho Tex = 6.5 K t0 = 4.6 (11 – 11) para 11.8 0.10 (22 – 22) para 21.7 0.012 (33 – 33) ortho -5.2 -0.005

34. present Model and Herschel-HIFI r Oph A Ammonia and Methanol

35. Svobodny Russia 20 February 2001