Common Name: | Mrk 421 | MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] | VLBA 1.4 GHz: 2006ApJ...646..801G |
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B1950 Name: | 1101+384 | ![]() |
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J2000 Name: | J1104+3812 | ||||||||||
R.A. and Dec. (J2000): | 11h4m27.314s +38d12'31.799" |
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AGN Class: | HSP BL Lac | ||||||||||
Redshift: | 0.0293 (2015ApJS..218...10V) | Luminosity Distance: | 127 Mpc ; 0.58 pc/mas | ||||||||
Radio Spectrum: | Flat | ||||||||||
Gamma-ray Association | LAT: Y, EGRET: Y, TeV: Y | ||||||||||
Kpc-scale morphology: | Core Halo | ||||||||||
Jet Speed: | Maximum: 106 ± 13 μas/y ; 0.208 ± 0.025 c 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: Uniform weight:   PNG PDF Natural weight:   PNG PDF Circular Beam:   PNG PDF Tapered Beam:   PNG PDF Stacking for 1994-2015:   FITS Stacked 15 GHz Polarization VLBA images: Method I:   Cumulative GIF, I FITS, P FITS, m FITS, EVPA FITS Method II:   std EVPA FITS Rotation Measure 8-15 GHz Map: | 2006_04_05 | Spectral Index 8-15 GHz Map: | 2006_04_05 | Multifrequency MOJAVE VLBA Data:
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VLBA 23 GHz: |
Kpc-scale: Giroletti et al. 2006, ApJ 646, 801 | |||||||||
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Fermi LAT and 15 GHz VLBA Light Curves![]() |
VLBA 43 GHz: Jorstad et al. 2017 |
Multiepoch Radio Spectrum: |
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Comments: | LAT 1FM source; EGRET LAT20 TEV MOJAVE-2 source; called galaxy in NED, VLA image in AU85 |
Epoch (Y-M-D) | VLBA Code | VLBA I (mJy) |
VLBA P (mJy) |
VLBA P (%) |
VLBA EVPA (deg.) |
I Image (Nat. Weight) | Tapered I Image | Tapered I Image (Widefield) | Visibility Data |
Stokes I Radplot | Pol. Image |
2022-03-18 | BL286AI | 521 | 3.5 | 0.7 | 113 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2013-08-20 | BL178BI | 549 | 10 | 1.9 | 137 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2013-07-30 | BL178BG | 605 | 5.8 | 1.0 | 129 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2013-07-08 | BL178BE | 634 | 6.8 | 1.1 | 137 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2013-05-05 | BL178BC | 526 | 14 | 2.7 | 124 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2013-02-10 | BL178AZ | 548 | 10 | 1.9 | 110 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2013-01-21 | BL178AY | 582 | 14 | 2.3 | 116 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2012-12-10 | BL178AV | 510 | 7.1 | 1.4 | 168 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2012-11-16 | BR175E | 527 | 10 | 2.0 | 155 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2012-10-26 | BR175C | 529 | 16 | 3.0 | 170 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2012-10-19 | BR175B | 566 | 14 | 2.4 | 179 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2012-10-12 | BR175A | 588 | 12 | 2.0 | 10 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2012-04-29 | BL178AJ | 392 | 6.8 | 1.7 | 82 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2011-12-29 | BL178AD | 380 | 8.7 | 2.3 | 90 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2011-11-28 | BG207K | 342 | 5.4 | 1.6 | 80 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2011-09-28 | BG207I | 331 | 2.5 | 0.8 | 22 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2011-08-29 | BG207H | 345 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2011-07-24 | BL149DN | 312 | 4.2 | 1.3 | 40 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2010-11-29 | BL149CY | 361 | 7.3 | 2.0 | 98 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2010-10-15 | BL149CS | 329 | 12 | 3.7 | 72 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2010-07-12 | BL149CL | 344 | 6.9 | 2.0 | 78 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2010-02-11 | BL149CH | 365 | 8.8 | 2.4 | 124 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2009-12-17 | BL149CE | 325 | 7.9 | 2.4 | 127 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2009-06-25 | BL149BO | 332 | 5.6 | 1.7 | 114 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2009-05-02 | BL149BK | 339 | 1.7 | 0.5 | 142 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2009-04-22 | BK150I | 335 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2009-01-30 | BL149BH | 320 | 6.1 | 1.9 | 118 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2008-10-03 | BL149BD | 332 | 6.6 | 2.0 | 122 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2008-07-17 | BL149AK | 379 | 8.3 | 2.2 | 91 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2008-06-25 | BL149AJ | 362 | 11 | 2.9 | 77 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2008-05-01 | BL149AO | 365 | 5.5 | 1.5 | 69 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2007-09-06 | BL149AG | 410 | 11 | 2.6 | 103 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2007-06-15 | BK135 | 342 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2007-06-03 | BL149AA | 386 | 4.5 | 1.2 | 84 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2007-02-05 | BL137N | 402 | 8.6 | 2.1 | 94 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2006-06-25 | BC160 | 284 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 2006-04-05 | BL137C | 343 | 7.9 | 2.3 | 94 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | PNG PDF | 2001-03-04 | BK068E | 414 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1999-05-21 | BK068A | 464 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1998-04-26 | BC077C | 386 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1998-03-28 | BC077B | 367 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1998-03-19 | BK052C | 390 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1998-03-04 | BC077A | 427 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1997-08-28 | BK052A | 556 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1997-08-15 | BM082C | 538 | 13 | 2.4 | 63 | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1997-03-13 | BK048B | 727 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1996-05-16 | BK037B | 342 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1996-05-02 | BE10B | 365 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1996-04-23 | BE10A | 390 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF | 1995-04-07 | BK016 | 444 | no data | FITS PNG PDF | FITS PNG PDF | PNG PDF | uvf | PNG PDF |
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