Common Name: | TXS 2157+213 | MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] | VLBA 1.4 GHz: |
B1950 Name: | 2157+213 | ![]() |
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J2000 Name: | J2200+2137 | ||
R.A. and Dec. (J2000): | 22h0m14.197s +21d37'57.039" |
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AGN Class: | LSP BL Lac | ||
Redshift: | Unknown | Luminosity Distance: | Unknown |
Radio Spectrum: | Flat | ||
Gamma-ray Association | LAT: Y, EGRET: N, TeV: N | ||
Kpc-scale morphology: | Core | ||
Jet Speed: | Maximum: 26 ± 7 μas/y ; Median: N/A ; based on 4 moving features Lister et al. 2021, ApJ,923,30 |
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Separation Versus Time Plot: | PNG PDF | ||
Stacked 15 GHz Stokes I VLBA images: Natural weight:   PNG PDF FITS Circular Beam:   PNG PDF FITS Tapered Beam:   PNG PDF FITS Stacked 15 GHz Polarization VLBA images: Method I:   Cumulative GIF, pol PNG, I FITS, P FITS, m FITS, EVPA FITS Method II:   std EVPA PNG, FITS Rotation Measure 8-15 GHz Map: | Not available | Spectral Index 8-15 GHz Map: | Not available | |
VLBA 23 GHz: |
Kpc-scale: Healey et al. 2007, ApJS 171, 61 | |
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Fermi LAT and 15 GHz VLBA Light Curves![]() |
VLBA 43 GHz: |
Multiepoch Radio Spectrum: |
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Comments: | New hard spectrum MOJAVE_5; spectrum reported in 2008ApJS..175...97H but no redshift |
Epoch (YYYY-MM-DD) | VLBA Code | VLBA I (mJy) |
VLBA P (mJy) |
VLBA P (%) |
VLBA EVPA (deg.) |
I Image (Nat. Weight) | Visibility Data |
Stokes I Radplot | Polarization Image |
Full Montage |
2019-06-13 | BL229AX | 176 | 4.6 | 2.6 | 43 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2018-07-08 | BL229AP | 182 | 5.0 | 2.8 | 48 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2017-07-30 | BL229AJ | 164 | 6.6 | 4.0 | 31 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2017-03-11 | BL229AF | 158 | 6.8 | 4.3 | 37 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2017-01-03 | BL229AD | 146 | 5.5 | 3.8 | 35 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG |
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