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| Query : 2021RAA....21..246C |
2021RAA....21..246C - Research in Astron. and astroph., 21, 246 (2021/October-0)
The low cosmic-ray density in the Polaris Flare.
CUI Z.-W., YANG R.-Z. and LIU B.
Abstract (from CDS):
We reported the γ-ray observation towards the giant molecular cloud Polaris Flare. Together with the dust column density map, we derived the cosmic ray (CR) density and spectrum in this cloud. Compared with the CR measured locally, the CR density in the Polaris Flare is significantly lower and the spectrum is softer. Such a different CR spectrum reveals either a rather large gradient of CR distribution in the direction perpendicular to the Galactic plane or a suppression of CR inside molecular clouds.
Abstract Copyright: © 2021 National Astronomical Observatories
Journal keyword(s): cosmic rays - gamma rays: ISM - ISM: clouds
Simbad objects: 4
| Number of rows : 4 |
| 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 | * alf UMi | cC* | 02 31 49.09456 | +89 15 50.7923 | 3.00 | 2.62 | 2.02 | 1.53 | 1.22 | F8Ib | 716 | 2 |
| 2 | NAME Polaris Flare | MoC | 11 00 14.8 | +86 10 52 | ~ | 215 | 1 | |||||
| 3 | NAME Galactic Center | reg | 17 45 39.60213 | -29 00 22.0000 | ~ | 16269 | 0 | |||||
| 4 | NAME Gould Belt | PoG | ~ | ~ | ~ | 956 | 1 |
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