| Common Name: | S4 0805+41 | VLBA 2cm Image   | | VLBA 1.4 GHz: |
| B1950 Name: | 0805+410 | ![]() |
![]() |
| J2000 Name: | J0808+4052 | ||
| R.A. and Dec. (J2000): | 8h8m56.652s +40d52'44.889" |
||
| AGN Class: | LSP Quasar | ||
| Redshift: | 1.42062 (2025arXiv250314745D) | Luminosity Distance: | 10288 Mpc ; 8.51 pc/mas |
| Radio Spectrum: | Flat | ||
| Gamma-ray Association | LAT: Y, EGRET: N, TeV: N | ||
| Kpc-scale morphology: | Core | ||
| Jet Speed: | Maximum: Unknown ; Median: Unknown ; |
||
| Separation Versus Time Plot: | Not available | ||
| Stacked 15 GHz Stokes I VLBA images: Natural weight:   Not Available Circular Beam:   Not Available Tapered Beam:   Not Available Stacked 15 GHz Polarization VLBA images: Rotation Measure 8-15 GHz Map: | Not available | Spectral Index 8-15 GHz Map: | Not available | |
VLBA 23 GHz: RRIFD Database |
Kpc-scale: Healey et al. 2007, ApJS 171, 61 | |
![]() |
![]() |
||
Fermi LAT and 15 GHz VLBA Light Curves![]() |
VLBA 43 GHz: Cheng et al. 2020 |
Multiepoch Radio Spectrum: |
|
|---|---|---|---|
![]() |
![]() |
||
| Comments: | New 1.5JyQC source; huge 20x increase in 15 GHz flux since 2008 | ||
| Epoch (YYYY-MM-DD) | VLBA Code | VLBA I (mJy) |
VLBA P (mJy) |
VLBA P (%) |
VLBA EVPA (deg.) |
Stokes I Image (Nat. weight) |
Visibility Data |
Stokes I Radplot | Polarization Image (Nat. weight) |
Full Montage |
1995-01-20 | BP14 | 1045 | no data | From NRAO Archive |
| Home | Science | AGN Samples | Data Archive | Status | Publications | Movies | RM Maps | α Maps | People | Outreach |