Common Name: | S4 1716+68 | MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] | VLBA 1.4 GHz: |
B1950 Name: | 1716+686 | ![]() |
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J2000 Name: | J1716+6836 | ||
R.A. and Dec. (J2000): | 17h16m13.938s +68d36'38.745" |
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AGN Class: | LSP Quasar | ||
Redshift: | 0.777 (2013ApJ...767...14P) | Luminosity Distance: | 4846 Mpc ; 7.44 pc/mas |
Radio Spectrum: | Flat | ||
Gamma-ray Association | LAT: Y, EGRET: N, TeV: N | ||
Kpc-scale morphology: | Core Halo | ||
Jet Speed: | Maximum: 423 ± 122 μas/y ; 18.2 ± 5.3 c Median: 283 ± 23 μas/y ; 12.22 ± 0.98 c based on 16 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 Stacking for 1994-2015:   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: Taylor et al. 1996, ApJS 107, 37 | |
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Fermi LAT and 15 GHz VLBA Light Curves![]() |
VLBA 43 GHz: Cheng et al. 2020 |
Multiepoch Radio Spectrum: |
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Comments: | Hard-spectrum LAT added to MOJAVE_2; Stickel Kuhr 1994 get z=0.798 |
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