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| Query : 2009MNRAS.400.1768A |
2009MNRAS.400.1768A - Mon. Not. R. Astron. Soc., 400, 1768-1774 (2009/December-3)
The corotation gap in the Galactic HI distribution.
AMORES E.B., LEPINE J.R.D. and MISHUROV Y.N.
Abstract (from CDS):
We used the Hi data from the LAB Survey to map the ring-shaped gap in Hi density that lies slightly outside the solar circle. Adopting R0= 7.5 kpc, we find an average gap radius of 8.3 kpc and an average gap width of 0.8 kpc. The characteristics of the Hi gap correspond closely to the expected ones, as predicted by theory and by numerical simulations of the gas flow near the corotation resonance.
Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS
Journal keyword(s): Galaxy: disc - Galaxy: general - Galaxy: kinematics and dynamics - Galaxy: structure - galaxies: spiral
Simbad objects: 12
| Number of rows : 12 |
| 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 | NGC 2903 | AGN | 09 32 10.111 | +21 30 02.99 | 10.44 | 9.75 | 9.07 | 8.68 | ~ | 1204 | 3 | |
| 2 | NAME Car Arm | PoG | 10 00 | -60.0 | ~ | 471 | 1 | |||||
| 3 | NGC 3726 | G | 11 33 21.1367545656 | +47 01 45.280222428 | 11.11 | 10.02 | ~ | 374 | 0 | |||
| 4 | NGC 4203 | LIN | 12 15 05.0549203560 | +33 11 50.383965120 | 12.98 | 11.99 | ~ | 514 | 2 | |||
| 5 | M 106 | Sy2 | 12 18 57.620 | +47 18 13.39 | 9.14 | 8.41 | 8.11 | ~ | 2512 | 4 | ||
| 6 | NGC 4725 | Sy2 | 12 50 26.5716367992 | +25 30 02.733090588 | 13.45 | 12.44 | ~ | 727 | 2 | |||
| 7 | M 94 | SyG | 12 50 53.0737971432 | +41 07 12.900884628 | 9.15 | 8.96 | 8.24 | 7.78 | ~ | 1476 | 2 | |
| 8 | M 63 | LIN | 13 15 49.2741893928 | +42 01 45.728076108 | 9.34 | 8.59 | 8.35 | ~ | 1292 | 2 | ||
| 9 | M 83 | SBG | 13 37 00.91920 | -29 51 56.7400 | 8.85 | 8.11 | 7.52 | 7.21 | ~ | 2778 | 2 | |
| 10 | NAME Car-Sgr Arm | PoG | 15 00 | -40.0 | ~ | 581 | 1 | |||||
| 11 | NAME Galactic Center | reg | 17 45 39.60213 | -29 00 22.0000 | ~ | 16269 | 0 | |||||
| 12 | NAME Galactic Bar | reg | ~ | ~ | ~ | 1458 | 0 |
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