| NMSU Astronomy | Fall 2014 | Cat Wu |
Observing at APO on the ARC 3.5m telescope with DIS
Useful info/tools:
APO's website
Hourly Airmass Table, courtesy of Skycalc
Osterbrock's 1996 paper, Night-Sky High-Res Spectral Atlas
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| Galaxy | RA (J2000) | Dec (J2000) | Radial Vel | Obs Hα | Diam | PA (°) | inc (°) | Filter | HG | G | VLA | APO |
| NGC 0891 | 02h22m33.41s | +42d20m56.9s | 528 km/s | 6574.6Å | 14' | 22 | 84 | 657 | ✓ | ✓ | -- | 12.9 |
| NGC 3044 | 09h53m41.00s | +01d34m45s | 1250* km/s | 6591.2Å | 4.7' | 113** | 84.9 | 659 | -- | -- | ✓ | 5.5 |
| NGC 3079 | 10h01m57.8s | +55d40m47s | 1116 km/s | 6587.4Å | 7.9' | 165 | 85 | -- | -- | ✓ | -- | -- |
| NGC 3628 | 11h20m17.0s | +13d35m23s | 843 km/s | 6581.5Å | 14.8' | 104 | 87 | 658 | -- | -- | -- | 6 |
| NGC 4013 | 11h58m31.4s | +43d56m48s | 831 km/s | 6581.2Å | 5.1 | 66 | 90 | 658 | -- | -- | ✓ | 7.4 |
| NGC 4244 | 12h17m29.6s | +37d48m26s | 244 km/s | 6568.3Å | 18.5 | 48 | 90 | 657 | ✓ | ✓ | -- | 5,5,5 |
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12h21m42.5s | +14d35m54s | 1149 km/s | 6588.2Å | 5.1 | 178 | 89 | -- | -- | ✓ | ✓ | -- |
| NGC 4517 | 12h32m45.6s | +00d06m54s | 1128 km/s | 6587.7Å | 11.54 | 83 | 87.4 | 658 | -- | -- | -- | 0.75 |
| NGC 4565 | 12h36m21.0s | +25d59m13s | 1230 km/s | 6590.0Å | 15.5 | 136 | 90 | 659 | ✓ | ✓ | -- | 5,5,single |
| NGC 4631 | 12h42m08.0s | +32d32m29s | 606 km/s | 6576.3Å | 15.5 | 86 | 85 | 657 | ✓ | ✓ | -- | 6.75,3,2 |
| NGC 4762 | 12h52m56.0s | +11d13m51s | 984 km/s | 6584.5Å | 8.7 | 32 | 90 | 658 | -- | -- | -- | 3.5 |
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13h12m12.6s | +44d02m28s | 407 km/s | 6571.7Å | 7.28 | 28 | 90 | -- | ✓ | -- | -- | -- |
| NGC 5229 | 13h34m02.8s | +47d54m56s | 364 km/s | 6570.8Å | 3.58 | 167 | 90 | 657 | ✓ | -- | -- | 5 |
| NGC 5907 | 15h15m53.8s | +56d19m44s | 667 km/s | 6577.6Å | 12.8 | 155 | 87 | 657 | -- | ✓ | ✓ | 9.8,5.5 |
| UGC 2082 | 2h36m16.1s | +25d25m26s | 696 km/s | 6578.0Å | 5.94 | 166 | -- | -- | (✓) | -- | -- | -- |
| UGC 4278 | 8h13m58.9s | +45d44m32s | 540 km/s | 6574.6Å | 5.17 | 172 | 90 | 657 | ✓ | ✓ | -- | 7.2 |
| UGC 7321 | 12h17m34.0s | +22d32m23s | 408 km/s | 6571.9Å | 5.5 | 82 | -- | -- | -- | -- | -- | -- |
| UGC 7774 | 12h36m22.7s | +40d00m19s | 526 km/s | 6574.3Å | 2.83 | 102 | -- | -- | ✓ | -- | -- | -- |
| Diam = diameter along major axis; HG = HALOGAS target; G = GALEX data; VLA = VLA data; APO = hrs observed at APO |
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* According to Siow-Wang Lee (1997, ApJ, 490:247-262) Fig. 4, the systemic velocity at the optical center is 1250 km/s. ** According to Siow-Wang Lee (1997, ApJ, 490:247-262), "The position angle agrees with that given in the RC3 (note that there is a mistake in the RC3, the position angle listed should be 113° instead of 13°)." Additional data: N891 plume, N4559, N5055, N4565 single
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