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| Query : 2021ApJ...918...24X |
2021ApJ...918...24X - Astrophys. J., 918, 24-24 (2021/September-1)
Fermi-LAT detection of GeV γ-ray emission from the Type Ia supernova remnant G272.2-3.2.
XIANG Y. and JIANG Z.
Abstract (from CDS):
A new γ-ray source with a significance level of approximately 5σ was reported in the region of the supernova remnant (SNR) G272.2-3.2 by analyzing the approximately 12.4 yr of observation data from the Fermi Large Area Telescope. Its γ-ray spatial distribution did not show an extended feature, and it had a soft spectrum with a spectral index of 2.56 ± 0.01 in the power-law model. No significant variability of its light curve with 10 time bins was identified, and its spatial positions in the X-ray and GeV bands overlapped. We suggest that the new γ-ray source is a likely counterpart of SNR G272.2-3.2. Analyzing its spectrum, we discussed the likely origins of the γ-ray emission.
Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.
Journal keyword(s): Gamma-ray observatories - Gamma-ray astronomy - Type ia supernovae
Simbad objects: 16
| Number of rows : 16 |
| 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 | SNR G150.3+04.5 | SNR | 04 26.5 | +54 38 | ~ | 49 | 0 | |||||
| 2 | SNR G166.0+04.3 | SNR | 05 26 30.000 | +42 56 00.00 | ~ | 196 | 0 | |||||
| 3 | IC 443 | SNR | 06 17 00.0000000 | +22 34 11.998901 | ~ | 1314 | 1 | |||||
| 4 | NAME Pup A | SNR | 08 24 07 | -42 59.8 | ~ | 636 | 1 | |||||
| 5 | NAME Vela Jr SN | SNR | 08 52.0 | -46 20 | ~ | 507 | 2 | |||||
| 6 | SNR G272.2-03.2 | SNR | 09 06 50 | -52 07.0 | SNIa | 78 | 0 | |||||
| 7 | SNR G295.5+09.7 | SNR | 12 09 40 | -52 25.0 | ~ | 301 | 1 | |||||
| 8 | ESO 134-11 | HII | 14 40 29 | -62 38.7 | ~ | 585 | 1 | |||||
| 9 | NAME Lupus SN | SNR | 15 02 22.1 | -42 05 49 | ~ | 1407 | 1 | |||||
| 10 | SNR G323.7-01.0 | SNR | 15 34 30.1 | -57 12 03 | ~ | 25 | 0 | |||||
| 11 | SNR G344.7-00.1 | SNR | 17 03 49 | -41 42.5 | ~ | 97 | 0 | |||||
| 12 | SNR G347.3-00.5 | SNR | 17 12 27 | -39 41.2 | 12.27 | ~ | 761 | 1 | ||||
| 13 | SNR G353.6-00.7 | SNR | 17 31 55.0 | -34 42 36 | ~ | 172 | 0 | |||||
| 14 | SNR G034.6-00.5 | SNR | 18 56 10.650 | +01 13 21.30 | ~ | 1034 | 2 | |||||
| 15 | W 49b | SNR | 19 11 09.5 | +09 06 21 | ~ | 500 | 1 | |||||
| 16 | SNR G049.1-00.1 | SNR | 19 23 19.300 | +14 09 21.00 | ~ | 309 | 0 |
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