| Canonical Name: | 1ES 1440+122 |
| TeVCat Name: | TeV J1443+120 |
| Other Names: | 1FGL J1442.8+1158, VER J1443+120 |
| Source Type: | HBL |
| R.A.: | 14 43 15 (hh mm ss) |
| Dec.: | +12 00 11 (dd mm ss) |
| Gal Long: | 8.44 (deg) |
| Gal Lat: | 59.75 (deg) |
| Distance: | z=0.163058 |
| Flux: | 0.01 (Crab Units) |
| Energy Threshold: | 200 GeV |
| Spectral Index: | 3.1 |
| Extended: | No |
| Discovery Date: | 2010-08 |
| Discovered By: | VERITAS |
| TeVCat SubCat: | Default Catalog |
Source Notes:
The source was moved from the "Newly Announced" to the "Default" catalogue on 160829
Source position and its uncertainty (updated from the NED position on 160913):
From
Archambault et al. (2016):
R.A. (J2000): 14 43 15
Dec. (J2000): +12 00 11
Statistical uncertainty: 1'
Systematic uncertainty: 24"
Spectral Properties:
From
Archambault et al. (2016):
- Spectral index: 3.1 +/- 0.4
From
Benbow et al. (2011):
- Spectral index: 3.4 +/- 0.7
Source Classification:
From
Benbow et al. (2011):
- this source is borderline HBL.
Initially, this source was classified as an IBL in TeVCat. It has
been updated (121113) to a HBL based on its classification in
the
Fermi
2nd AGN Catalog (Ackermann et al. 2012)
Seen by: VERITAS
-
Model-independent Redshift Estimation of BL Lac Objects through VHE Observations
Zahoor, Malik et al., arXiv e-prints parXiv:2110.15953 (2021) [LINK]
-
Discovery of very high energy gamma rays from 1ES 1440+122
Archambault, S. et al., MNRAS 461 p202-208 (2016) [LINK]
-
Very-high-energy blazars: updates from VERITAS observations and multi-wavelength campaigns
Cerruti, M. for the VERITAS Collaboration, ArXiv e-prints p (2015) [LINK]
-
Observation of selected IBLs and LBLs with VERITAS
Majumdar, P. and for the VERITAS Collaboration, ArXiv e-prints p (2011) [LINK]
-
VHE Blazar Discoveries with VERITAS
Wystan Benbow for the VERITAS Collaboration, ArXiv e-prints p (2011) [LINK]
-
Discovery of Very High Energy Gamma-ray Emission from the Blazar 1ES 1440+122
Ong, R.A., ATel 2786 (2010) [LINK]
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