Supplementary list of important spectral lines

Substance Rest Frequency Suggested minimum bandwidth Deuterium (DI) 327.348 MHz 327 - 327.7 MHz Hydrogen (HI) 1420.406 MHz 1370.0 - 1427 MHz Hydroxyl radical (OH) 1612.231 MHz 1606.8 - 1613.8 MHz Hydroxyl radical (OH) 1665.402 MHz 1659.8 - 1667.1 MHz Hydroxyl radical (OH) 1667.359 MHz 1661.8 - 1669 MHz Hydroxyl radical (OH) 1720.53 MHz 1714.8 - 1722.2 MHz Methyladyne (CH) 3263.794 MHz 3242.4 - 3267.1 MHz Methyladyne (CH) 3335.481 MHz 3324.4 - 3338.8 MHz Methyladyne (CH) 3349.193 MHz 3338 - 3352.5 MHz Formaldehyde (HCHO) 4829.66 MHz 4813.6 - 4834.5 MHz Methanol (CH3OH) 6668.518 MHz 6661.8 - 6675.2 MHz Helium (3He+) 8665.65 MHz 8657 - 8674.3 MHz Methanol (CH3OH) 12.178 GHz 12.17 - 12.19 GHz Formaldehyde (HCHO) 14.488 GHz 14.44 - 14.5 GHz Cyclopropenylidene (C3H2) 18.343 GHz 18.28 - 18.36 GHz Cyclopropenylidene (C3H2) 21.587 GHz 21.56 - 21.61 GHz Water vapor (H2O) 22.235 GHz 22.16 - 22.26 GHz Dicarbon monosulphide (CCS) 22.344 GHz 22.32 - 22.37 GHz Ammonia (NH3) 23.694 GHz 23.61 - 23.72 GHz Ammonia (NH3) 23.723 GHz 23.64 - 23.75 GHz Ammonia (NH3) 23.87 GHz 23.79 - 23.89 GHz Ammonia (NH3) 24.139 GHz 24.11 - 24.16 GHz Methanol (CH3OH) 36.169 GHz 36.13 - 36.21 GHz Cyanoacetylene (HC3N) 36.392 GHz 36.36 - 36.43 GHz Silicon monoxide (SiO) 42.821 GHz 42.78 - 42.86 GHz Silicon monoxide (SiO) 43.122 GHz 43.08 - 43.17 GHz Silicon monoxide (SiO) 43.424 GHz 43.38 - 43.47 GHz Dicarbon monosulphide (CCS) 45.379 GHz 45.33 - 45.42 GHz Cyanoacetylene (HC3N) 45.49 GHz 45.44 - 45.54 GHz Carbon monosulphide (13CS) 46.247 GHz 46.20 - 46.29 GHz Carbon monosulphide (C34S) 48.207 GHz 48.16 - 48.26 GHz Carbon monosulphide (CS) 48.991 GHz 48.83 - 49.04 GHz Oxygen (O2) 56.265 GHz 56.21 - 56.32 GHz Oxygen (O2) 58.324 GHz 58.27 - 58.38 GHz Oxygen (O2) 58.446 GHz 58.39 - 58.5 GHz Oxygen (O2) 59.164 GHz 59.10 - 59.22 GHz Oxygen (O2) 59.591 GHz 59.53 - 59.65 GHz Oxygen (O2) 60.306 GHz 60.25 - 60.37 GHz Oxygen (O2) 60.434 GHz 60.37 - 60.49 GHz Oxygen (O2) 61.151 GHz 61.09 - 61.21 GHz Oxygen (O2) 62.486 GHz 62.42 - 62.55 GHz Deuterated formylium (DCO+) 72.039 GHz 71.97 - 72.11 GHz Deuterium cyanide (DCN) 72.415 GHz 72.34 - 72.49 GHz Cyanoacetylene (HC3N) 72.784 GHz 72.71 - 72.86 GHz Methyl cyanide (CH3CN) 73.59 GHz 73.51 - 73.66 GHz Deuterated water (HDO) 80.578 GHz 80.50 - 80.66 GHz Cyanoacetylene (HC3N) 81.881 GHz 81.80 - 81.96 GHz Cyclopropenylidene (C3H2) 82.966 GHz 82.88 - 83.05 GHz Cyclopropenylidene (C3H2) 85.339 GHz 85.05 - 85.42 GHz Methyl acetylene (CH3CCH) 85.5 GHz 85.41 - 85.59 GHz Deuterated Ammonia (NH2D) 85.926 GHz 85.84 - 86.01 GHz Hydrogen cyanide (HC15N) 86.055 GHz 85.97 - 86.14 GHz Silicon monoxide (SiO) 86.243 GHz 86.16 - 86.33 GHz Hydrogen cyanide (H13CN) 86.34 GHz 86.25 - 86.43 GHz Formylium (H13CO+) 86.754 GHz 86.67 - 86.84 GHz Hydrogen isocyanide (HN13C) 87.091 GHz 87.00 - 87.18 GHz Silicon monoxide (SiO) 86.847 GHz 86.76 - 86.93 GHz Ethynyl radical (C2H) 87.3 GHz 87.21 - 87.39 GHz Hydrogen cyanide (HCN) 88.632 GHz 88.34 - 88.72 GHz Hydrogen isocyanide (H15NC) 88.866 GHz 88.78 - 88.95 GHz Formylium (HCO+) 89.189 GHz 88.89 - 89.28 GHz Hydrogen isocyanide (HNC) 90.664 GHz 90.57 - 90.75 GHz Cyanoacetylene (HC3N) 90.979 GHz 90.89 - 91.07 GHz Methyl cyanide (CH3CN) 91.98 GHz 91.88 - 92.07 GHz Carbon monosulphide (13CS) 92.494 GHz 92.40 - 92.59 GHz Diazenylium (N2H+) 93.174 GHz 93.08 - 93.27 GHz Carbon monosulphide (C34S) 96.413 GHz 96.32 - 96.51 GHz Carbon monosulphide (CS) 97.981 GHz 97.65 - 98.08 GHz Sulphur monoxide (SO) 99.3 GHz 99.20 - 99.4 GHz Cyanoacetylene (HC3N) 100.076 GHz 99.98 - 100.18 GHz Methyl acetylene (CH3CCH) 102.5 GHz 102.39 - 102.6 GHz Cyanoacetylene (HC3N) 109.174 GHz 109.06 - 109.28 GHz Sulphur monoxide (SO) 109.252 GHz 109.14 - 109.36 GHz Carbon monoxide (C18O) 109.782 GHz 109.67 - 109.89 GHz Deuterated Ammonia (NH2D) 110.153 GHz 110.04 - 110.26 GHz Carbon monoxide (13CO) 110.201 GHz 119.83 - 110.31 GHz Methyl cyanide (CH3CN) 110.38 GHz 110.27 - 110.49 GHz Carbon monoxide (C17O) 112.359 GHz 112.25 - 112.47 GHz Cyano radical (CN) 113.5 GHz 113.39 - 113.61 GHz Carbon monoxide (CO) 115.271 GHz 114.88 - 115.39 GHz Oxygen (O2) 118.75 GHz 118.63 - 118.87 GHz Silicon monoxide (SiO) 127.269 GHz 127.14 - 127.4 GHz Formaldehyde (H13CHO) 137.45 GHz 137.31 - 137.59 GHz Carbon monosulphide (13CS) 138.739 GHz 138.60 - 138.88 GHz Formaldehyde (HCHO) 140.84 GHz 140.69 - 140.98 GHz Deuterated formylium (DCO+) 144.077 GHz 143.93 - 144.22 GHz Deuterium cyanide (DCN) 144.828 GHz 144.68 - 144.97 GHz Formaldehyde (HCHO) 145.603 GHz 145.45 - 145.75 GHz Carbon monosulphide (CS) 146.969 GHz 146.48 - 147.12 GHz Methyl cyanide (CH3CN) 147.17 GHz 147.02 - 147.32 GHz Nitric oxide (NO) 150.4 GHz 149.95 - 150.85 GHz Formaldehyde (HCHO) 150.498 GHz 150.35 - 150.65 GHz Methyl acetylene (CH3CCH) 153.8 GHz 153.64 - 153.95 GHz Cyanoacetylene (HC3N) 154.657 GHz 154.5 - 154.81 GHz Cyanoacetylene (HC3N) 163.753 GHz 163.59 - 163.92 GHz Hydrogen sulphide (H2S) 168.76 GHz 168.59 - 168.93 GHz Silicon monoxide (SiO) 173.688 GHz 173.51 - 173.86 GHz Water vapor (H2O) 183.31 GHz 183.13 - 183.49 GHz Carbon monosulphide (CS) 195.954 GHz 195.30 - 196.15 GHz Water vapor (H218O) 203.132 GHz 202.93 - 203.34 GHz Sulphur monoxide (SO) 206.176 GHz 205.97 - 206.38 GHz Sulphur monoxide (SO) 215.221 GHz 215.01 - 215.44 GHz Deuterated formylium (DCO+) 216.113 GHz 215.90 - 216.33 GHz Silicon monoxide (SiO) 217.105 GHz 216.89 - 217.32 GHz Deuterium cyanide (DCN) 217.239 GHz 217.02 - 217.46 GHz Formaldehyde (HCHO) 218.222 GHz 218.00 - 218.44 GHz Carbon monoxide (C18O) 219.56 GHz 219.34 - 219.78 GHz Carbon monoxide (13CO) 220.399 GHz 219.67 - 220.62 GHz Methyl cyanide (CH3CN) 220.7 GHz 220.48 - 220.92 GHz Sulphur dioxide (SO2) 221.965 GHz 221.74 - 222.19 GHz Methyl acetylene (CH3CCH) 222.1 GHz 221.87 - 222.32 GHz Carbon monoxide (C17O) 224.714 GHz 224.49 - 224.94 GHz Sulphur dioxide (SO2) 225.154 GHz 224.93 - 225.38 GHz Deuterated water (HDO) 225.897 GHz 225.67 - 226.12 GHz Cyano radical (CN) 226.6 GHz 226.37 - 226.83 GHz Cyano radical (CN) 226.8 GHz 226.57 - 227.03 GHz Carbon monoxide (CO) 230.538 GHz 229.77 - 230.77 GHz Carbon monosulphide (13CS) 231.221 GHz 230.99 - 231.45 GHz Carbon monosulphide (C34S) 241.016 GHz 240.77 - 241.26 GHz Deuterated water (HDO) 241.562 GHz 241.32 - 241.8 GHz Methanol (CH3OH) 241.7 GHz 241.46 - 241.94 GHz Methanol (CH3OH) 241.767 GHz 241.53 - 242.01 GHz Methanol (CH3OH) 241.791 GHz 241.55 - 242.03 GHz Methanol (CH3OH) 241.842 GHz 241.6 - 242.08 GHz Carbon monosulphide (CS) 244.953 GHz 244.14 - 245.2 GHz Nitric oxide (NO) 250.6 GHz 250.35 - 250.85 GHz Sulphur dioxide (SO2) 251.211 GHz 250.96 - 251.46 GHz Methyl cyanide (CH3CN) 257.5 GHz 257.24 - 257.76 GHz Hydrogen cyanide (H13CN) 259.012 GHz 258.75 - 259.27 GHz Formylium (H13CO+) 260.255 GHz 259.99 - 260.52 GHz Silicon monoxide (SiO) 260.518 GHz 260.26 - 260.78 GHz Hydrogen isocyanide (HN13C) 261.263 GHz 261.00 - 261.52 GHz Ethynyl radical (C2H) 262 GHz 261.74 - 262.26 GHz Sulphur dioxide (SO2) 262.334 GHz 262.07 - 262.6 GHz Hydrogen cyanide (HCN) 265.886 GHz 265.00 - 266.15 GHz Formylium (HCO+) 267.557 GHz 266.66 - 267.82 GHz Hydrogen isocyanide (HNC) 271.981 GHz 271.71 - 272.25 GHz Carbon monosulphide (13CS) 277.455 GHz 277.18 - 277.73 GHz Diazenylium (N2H+) 279.511 GHz 279.23 - 279.79 GHz Carbon monosulphide (C34S) 289.209 GHz 288.92 - 289.5 GHz Sodium hydride (NaH) 289.86 GHz 289.57 - 290.15 GHz Carbon monosulphide (CS) 293.912 GHz 292.93 - 294.21 GHz Hydronium (H3O+) 307.192 GHz 306.88 - 307.5 GHz Carbon monosulphide (13CS) 323.685 GHz 323.36 - 324.01 GHz Water vapor (H2O) 325.153 GHz 324.83 - 325.48 GHz Heavy water (HDO) 313.75 GHz 313.44 - 314.06 GHz Carbon monoxide (C18O) 329.33 GHz 329.00 - 329.66 GHz Carbon monoxide (13CO) 330.587 GHz 329.49 - 330.92 GHz Carbon monosulphide (C34S) 337.397 GHz 337.06 - 337.73 GHz Cyano radical (CN) 340.03 GHz 339.69 - 340.37 GHz Cyano radical (CN) 340.25 GHz 339.91 - 340.59 GHz Carbon monosulphide (CS) 342.883 GHz 341.74 - 343.23 GHz Hydrogen cyanide (HC15N) 344.2 GHz 343.86 - 344.54 GHz Magnesium hydride (MgH) 344.305 GHz 343.96 - 344.65 GHz Hydrogen cyanide (H13CN) 344.34 GHz 344.00 - 344.68 GHz Carbon monoxide (CO) 345.796 GHz 344.64 - 346.14 GHz Formylium (H13CO+) 346.999 GHz 346.65 - 347.35 GHz Silicon monoxide (SiO) 347.331 GHz 346.98 - 347.68 GHz Ethynyl radical (C2H) 349.34 GHz 348.99 - 349.69 GHz Ethynyl radical (C2H) 349.39 GHz 349.04 - 349.74 GHz Hydrogen cyanide (HCN) 354.484 GHz 353.30 - 354.84 GHz Formylium (HCO+) 356.734 GHz 355.54 - 357.09 GHz Hydrogen isocyanide (HNC) 362.63 GHz 362.27 - 362.99 GHz Hydronium (H3O+) 364.797 GHz 364.43 - 365.16 GHz Oxygen (O2) 368.498 GHz 368.13 - 368.87 GHz Carbon monosulphide (13CS) 369.908 GHz 369.54 - 370.28 GHz H2D+ 372.421 GHz 372.05 - 372.79 GHz Diazenylium (N2H+) 372.672 GHz 372.30 - 373.04 GHz Water vapor (H2O) 380.197 GHz 379.82 - 380.58 GHz Carbon monosulphide (C34S) 385.578 GHz 385.19 - 385.96 GHz Hydronium (H3O+) 388.459 GHz 388.07 - 388.85 GHz Water vapor (H218O) 390.608 GHz 390.22 - 391 GHz Silicon monoxide (SiO) 390.728 GHz 390.34 - 391.12 GHz Carbon monosulphide (CS) 391.847 GHz 390.54 - 392.24 GHz Hydronium (H3O+) 396.272 GHz 395.88 - 396.67 GHz Carbon monosulphide (13CS) 416.123 GHz 415.71 - 416.54 GHz Oxygen (O2) 424.763 GHz 424.34 - 425.19 GHz Hydrogen cyanide (H13CN) 431.66 GHz 431.23 - 432.09 GHz Carbon monosulphide (C34S) 433.751 GHz 433.32 - 434.19 GHz Silicon monoxide (SiO) 434.12 GHz 433.69 - 434.55 GHz Carbon monoxide (C18O) 439.088 GHz 438.65 - 439.53 GHz Water vapor (H2O) 439.151 GHz 438.71 - 439.59 GHz Carbon monoxide (13CO) 440.765 GHz 439.30 - 441.21 GHz Carbon monosulphide (CS) 440.803 GHz 439.33 - 441.24 GHz Hydrogen cyanide (HCN) 443.123 GHz 441.65 - 443.57 GHz Lithium hydride (LiH) 443.957 GHz 443.51 - 444.4 GHz Water vapor (H2O) 448.001 GHz 447.55 - 448.45 GHz Hyrogen Sulphide (H2S) 452.39 GHz 451.94 - 452.84 GHz Hydrogen isocyanide (HNC) 453.27 GHz 452.82 - 453.72 GHz Carbon monoxide (CO) 461.041 GHz 459.50 - 461.5 GHz Carbon monosulphide (13CS) 462.331 GHz 461.87 - 462.79 GHz NH2 462.4 GHz 461.94 - 462.86 GHz Heavy water (HDO) 464.925 GHz 464.46 - 465.39 GHz NH2 469.3 GHz 468.83 - 469.77 GHz Water vapor (H2O) 474.689 GHz 474.21 - 475.16 GHz Silicon monoxide (SiO) 477.503 GHz 477.03 - 477.98 GHz Heavy water (HDO) 479.947 GHz 479.47 - 480.43 GHz Heavy water (HDO) 481.78 GHz 481.30 - 482.26 GHz Carbon monosulphide (C34S) 481.916 GHz 481.43 - 482.4 GHz Oxygen (O2) 487.249 GHz 486.76 - 487.74 GHz Water vapor (H218O) 489.054 GHz 488.56 - 489.54 GHz Carbon monosulphide (CS) 489.751 GHz 488.12 - 490.24 GHz Heavy water (HDO) 490.597 GHz 490.11 - 491.09 GHz Carbon (CI) 492.162 GHz 490.52 - 492.65 GHz Carbon monosulphide (13CS) 508.528 GHz 508.02 - 509.04 GHz Heavy water (HDO) 509.292 GHz 508.78 - 509.8 GHz Hydrogen cyanide (H13CN) 517.97 GHz 517.45 - 518.49 GHz Silicon monoxide (SiO) 520.878 GHz 520.36 - 521.4 GHz Carbon monosulphide (C34S) 530.071 GHz 529.54 - 530.6 GHz Hydrogen cyanide (HCN) 531.716 GHz 529.94 - 532.25 GHz Methylidyne (CH) 532.7 GHz 532.17 - 533.23 GHz SiH2 536.6 GHz 536.06 - 537.14 GHz Methylidyne (CH) 536.8 GHz 536.26 - 537.34 GHz Carbon monosulphide (CS) 538.689 GHz 536.89 - 539.23 GHz Hydrogen isocyanide (HNC) 543.897 GHz 543.35 - 544.44 GHz Water vapor (H218O) 547.676 GHz 547.13 - 548.22 GHz Carbon monoxide (13CO) 550.926 GHz 549.09 - 551.48 GHz Carbon monosulphide (13CS) 554.715 GHz 554.16 - 555.27 GHz Water vapor (H2O) 556.936 GHz 556.38 - 557.49 GHz Silicon monoxide (SiO) 564.244 GHz 563.68 - 564.81 GHz Ammonia (15NH3) 572.113 GHz 571.54 - 572.69 GHz Ammonia (NH3) 572.498 GHz 571.93 - 573.07 GHz SiH2 575.8 GHz 575.22 - 576.38 GHz Carbon monoxide (CO) 576.268 GHz 574.35 - 576.84 GHz Carbon monosulphide (C34S) 578.216 GHz 577.64 - 578.79 GHz Sodium Hydride (NaH) 579.48 GHz 578.90 - 580.06 GHz Carbon monosulphide (CS) 587.616 GHz 587.03 - 588.2 GHz Heavy water (HDO) 599.927 GHz 599.33 - 600.53 GHz Carbon monosulphide (13CS) 600.889 GHz 600.29 - 601.49 GHz Hydrogen cyanide (H13CN) 604.268 GHz 603.66 - 604.87 GHz Silicon monoxide (SiO) 607.599 GHz 606.99 - 608.21 GHz Hydrogen cyanide (HCN) 620.304 GHz 618.24 - 620.92 GHz Water vapor (H2O) 620.7 GHz 620.08 - 621.32 GHz Heavy water (HDO) 622.483 GHz 621.86 - 623.11 GHz Silicon hydride (SiH) 624.9 GHz 624.27 - 625.53 GHz Hydrogen chloride (HCl) 625.04 GHz 624.41 - 625.67 GHz Hydrogen chloride (HCl) 625.98 GHz 625.35 - 626.61 GHz Carbon monosulphide (C34S) 626.349 GHz 625.72 - 626.98 GHz Silicon hydride (SiH) 627.7 GHz 627.07 - 628.33 GHz Hydrogen isocyanide (HNC) 634.51 GHz 633.88 - 635.14 GHz Carbon monosulphide (CS) 636.532 GHz 634.41 - 637.17 GHz Carbon monosulphide (13CS) 647.05 GHz 646.40 - 647.7 GHz H2D+ 648.337 GHz 647.69 - 648.99 GHz Silicon monoxide (SiO) 650.944 GHz 650.29 - 651.6 GHz Carbon monoxide (13CO) 661.067 GHz 658.86 - 661.73 GHz Carbon monosulphide (C34S) 674.47 GHz 673.80 - 675.14 GHz Carbon monosulphide (CS) 685.435 GHz 683.15 - 686.12 GHz Magnesium hydride (MgH) 687.1 GHz 686.41 - 687.79 GHz Magnesium hydride (MgH) 687.9 GHz 687.21 - 688.59 GHz Hydrogen cyanide (H13CN) 690.268 GHz 689.58 - 690.96 GHz Carbon monoxide (CO) 691.473 GHz 689.17 - 692.16 GHz Carbon monosulphide (13CS) 693.195 GHz 692.50 - 693.89 GHz Silicon monoxide (SiO) 694.275 GHz 693.58 - 694.97 GHz Hydrogen cyanide (HCN) 708.877 GHz 708.17 - 709.59 GHz Oxygen (O2) 715.393 GHz 714.68 - 716.11 GHz Carbon monosulphide (C34S) 722.577 GHz 721.85 - 723.3 GHz Hydrogen isocyanide (HNC) 725.107 GHz 724.38 - 725.83 GHz Carbon monosulphide (CS) 734.324 GHz 733.59 - 735.06 GHz Silicon monoxide (SiO) 737.594 GHz 736.86 - 738.33 GHz Carbon monosulphide (13CS) 739.324 GHz 738.58 - 740.06 GHz Water vapor (H218O) 745.32 GHz 744.57 - 746.07 GHz Water vapor (H2O) 752.033 GHz 751.28 - 752.79 GHz Heavy water (HDO) 753.411 GHz 752.66 - 754.16 GHz Carbon monosulphide (C34S) 770.669 GHz 769.90 - 771.44 GHz Oxygen (O2) 773.84 GHz 773.07 - 774.61 GHz Hydrogen cyanide (H13CN) 776.819 GHz 776.04 - 777.6 GHz Silicon monoxide (SiO) 780.594 GHz 779.81 - 781.38 GHz Carbon monosulphide (CS) 783.199 GHz 782.42 - 783.98 GHz Carbon monosulphide (13CS) 785.434 GHz 784.65 - 786.22 GHz Hydrogen cyanide (HCN) 797.433 GHz 794.77 - 798.23 GHz Formylium (HCO+) 802.653 GHz 799.98 - 803.46 GHz Carbon monoxide (CO) 806.652 GHz 803.96 - 807.46 GHz Carbon (CI) 809.35 GHz 806.65 - 810.16 GHz Hydrogen isocyanide (HNC) 815.684 GHz 812.96 - 816.5 GHz Carbon monosulphide (C34S) 818.745 GHz 817.93 - 819.56 GHz Silicon monoxide (SiO) 824.186 GHz 823.36 - 825.01 GHz Carbon monosulphide (13CS) 831.523 GHz 830.69 - 832.36 GHz Carbon monosulphide (CS) 832.057 GHz 829.28 - 832.89 GHz Oxygen (O2) 834.146 GHz 833.31 - 834.98 GHz Methylidinium (CH+) 835.07 GHz 834.23 - 835.91 GHz Hydrogen cyanide (H13CN) 863.069 GHz 862.21 - 863.93 GHz Carbon monosulphide (C34S) 866.804 GHz 865.94 - 867.67 GHz Sulpher hydride (SH) 866.9 GHz 866.03 - 867.77 GHz Silicon monoxide (SiO) 867.457 GHz 866.59 - 868.33 GHz Sulpher hydride (SH) 875.2 GHz 874.32 - 876.08 GHz Carbon monosulphide (13CS) 877.591 GHz 876.71 - 878.47 GHz Carbon monosulphide (CS) 880.899 GHz 877.96 - 881.78 GHz Carbon monoxide (13CO) 881.273 GHz 878.33 - 882.15 GHz Hydrogen cyanide (HCN) 885.977 GHz 883.02 - 886.86 GHz Lithium hydride (LiH) 886.5 GHz 885.61 - 887.39 GHz Formilium (HCO+) 891.558 GHz 888.59 - 892.45 GHz Heavy water (HDO) 893.639 GHz 892.74 - 894.53 GHz Hydrogen isocyanide (HNC) 906.239 GHz 905.33 - 907.15 GHz Silicon monoxide (SiO) 910.71 GHz 909.80 - 911.62 GHz Carbon monosulphide (C34S) 914.844 GHz 913.93 - 915.76 GHz Water vapor (H2O) 916.172 GHz 915.26 - 917.09 GHz Heavy water (HDO) 919.31 GHz 918.39 - 920.23 GHz Carbon monoxide (CO) 921.8 GHz 918.72 - 922.72 GHz Carbon monosulphide (13CS) 923.633 GHz 922.71 - 924.56 GHz Carbon monosulphide (CS) 929.723 GHz 926.62 - 930.65 GHz Hydrogen cyanide (H13CN) 949.299 GHz 948.35 - 950.25 GHz Silicon monoxide (SiO) 953.943 GHz 952.99 - 954.9 GHz H3+ 955 GHz 954.04 - 955.96 GHz Carbon monosulphide (C34S) 962.865 GHz 961.90 - 963.83 GHz Carbon monosulphide (13CS) 969.649 GHz 968.68 - 970.62 GHz Water vapor (H2O) 970.315 GHz 969.34 - 971.29 GHz Nitrogen hydride (NH) 974.479 GHz 973.50 - 975.45 GHz Hydrogen cyanide (HCN) 974.488 GHz 971.24 - 975.46 GHz Carbon monosulphide (CS) 978.529 GHz 977.55 - 979.51 GHz Formilium (HCO+) 983.925 GHz 980.64 - 984.91 GHz Heavy water (HDO) 984.138 GHz 983.15 - 985.12 GHz Hydronium (H3O+) 984.697 GHz 983.71 - 985.68 GHz Water vapor (H2O) 987.927 GHz 986.94 - 988.92 GHz Water vapor (H218O) 994.634 GHz 993.64 - 995.63 GHz Heavy water (HDO) 995.412 GHz 994.42 - 996.41 GHz Hydrogen isocyanide (HNC) 996.771 GHz 995.77 - 997.77 GHz Silicon monoxide (SiO) 997.155 GHz 996.16 - 998.15 GHz