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| Query : 2015MNRAS.450.4277V |
2015MNRAS.450.4277V - Mon. Not. R. Astron. Soc., 450, 4277-4284 (2015/July-2)
Different studies of the global pitch angle of the Milky Way's spiral arms.
VALLEE J.P.
Abstract (from CDS):
There are many published values for the pitch angle of individual spiral arms, and their wide distribution (from -3° to -28°) begs for various attempts for a single value. Each of four statistical methods used here yields a mean pitch angle in a small range, between -12° and -14° (Table, Fig.). The final result of our meta-analysis yields a mean global pitch angle in the Milky Way's spiral arms of -13.1°±0.6°.
Abstract Copyright: © 2015 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)
Journal keyword(s): methods: statistical - ISM: general - ISM: structure - Galaxy: disc - Galaxy: structure - galaxies: spiral
Simbad objects: 17
| Number of rows : 17 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | M 74 | G | 01 36 41.7451236624 | +15 47 01.107512304 | 10.52 | 10.00 | 9.46 | 9.16 | ~ | 1934 | 1 | |
| 2 | NGC 1232 | EmG | 03 09 45.514 | -20 34 45.48 | 10.67 | 9.87 | 9.53 | 10.2 | ~ | 296 | 0 | |
| 3 | NAME Per Arm | PoG | 03 30 | +45.0 | ~ | 1672 | 0 | |||||
| 4 | NAME Gal Anticenter | reg | 05 46 | +28.9 | ~ | 1024 | 0 | |||||
| 5 | NAME Car Arm | PoG | 10 00 | -60.0 | ~ | 471 | 1 | |||||
| 6 | NGC 3180 | GiG | 10 18 16.985 | +41 25 27.77 | 10.4 | ~ | 777 | 0 | ||||
| 7 | NAME Crux-Scutum Spiral Arm | reg | 12 30 | -60.0 | ~ | 323 | 0 | |||||
| 8 | M 51 | Sy2 | 13 29 52.698 | +47 11 42.93 | 9.26 | 8.36 | 8.40 | ~ | 4565 | 4 | ||
| 9 | NAME Car-Sgr Arm | PoG | 15 00 | -40.0 | ~ | 581 | 1 | |||||
| 10 | NAME Nor Arm | PoG | 16 00 | -50.0 | ~ | 485 | 0 | |||||
| 11 | NAME HVC Complex C | HVC | 16 34.8 | +63 07 | ~ | 273 | 1 | |||||
| 12 | NAME Galactic Center | reg | 17 45 39.60213 | -29 00 22.0000 | ~ | 16269 | 0 | |||||
| 13 | NAME Sgr Arm | PoG | 19 00 | -30.0 | ~ | 710 | 1 | |||||
| 14 | NAME Cyg Arm | PoG | 20 02 | +40.0 | ~ | 163 | 0 | |||||
| 15 | NAME Scutum Spiral Arm | PoG | ~ | ~ | ~ | 393 | 0 | |||||
| 16 | NAME Centaurus Arm | PoG | ~ | ~ | ~ | 88 | 0 | |||||
| 17 | NAME Local Arm | reg | ~ | ~ | ~ | 649 | 0 |
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