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: 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: | 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 (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 |
2022-03-18 | BL286AI | 515 | 3.3 | 0.6 | 105 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-08-20 | BL178BI | 539 | 5.4 | 1.0 | 140 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-07-30 | BL178BG | 591 | 5.1 | 0.9 | 165 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-07-08 | BL178BE | 625 | 4.7 | 0.7 | 153 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-05-05 | BL178BC | 517 | 12 | 2.3 | 127 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-02-10 | BL178AZ | 541 | 4.9 | 0.9 | 109 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-01-21 | BL178AY | 575 | 9.8 | 1.7 | 118 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-12-10 | BL178AV | 502 | 8.4 | 1.7 | 169 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-11-16 | BR175E | 524 | 9.1 | 1.7 | 158 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-10-26 | BR175C | 523 | 14 | 2.8 | 173 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-10-19 | BR175B | 563 | 15 | 2.6 | 3 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-10-12 | BR175A | 586 | 16 | 2.7 | 15 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-04-29 | BL178AJ | 382 | 5.0 | 1.3 | 98 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-12-29 | BL178AD | 367 | 6.7 | 1.8 | 100 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-11-28 | BG207K | 334 | 1.3 | 0.4 | 97 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-09-28 | BG207I | 321 | 0.9 | 0.3 | 153 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-08-29 | BG207H | 333 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2011-07-24 | BL149DN | 302 | 3.3 | 1.1 | 51 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-11-29 | BL149CY | 350 | 6.5 | 1.8 | 110 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-10-15 | BL149CS | 315 | 9.2 | 2.9 | 62 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-07-12 | BL149CL | 333 | 6.0 | 1.8 | 77 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-02-11 | BL149CH | 354 | 2.7 | 0.8 | 119 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-12-17 | BL149CE | 314 | 4.6 | 1.5 | 137 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-06-25 | BL149BO | 323 | 6.0 | 1.9 | 96 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-05-02 | BL149BK | 330 | 1.5 | 0.4 | 49 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-04-22 | BK150I | 311 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2009-01-30 | BL149BH | 305 | 5.6 | 1.8 | 113 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-10-03 | BL149BD | 323 | 2.9 | 0.9 | 135 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-07-17 | BL149AK | 365 | 7.0 | 1.9 | 94 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-06-25 | BL149AJ | 355 | 6.6 | 1.9 | 67 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-05-01 | BL149AO | 353 | 3.1 | 0.9 | 61 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-09-06 | BL149AG | 398 | 9.9 | 2.5 | 103 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-06-15 | BK135 | 344 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2007-06-03 | BL149AA | 367 | 5.4 | 1.5 | 85 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-02-05 | BL137N | 387 | 7.1 | 1.8 | 95 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2006-06-25 | BC160 | 272 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2006-04-05 | BL137C | 329 | 6.3 | 1.9 | 93 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2001-03-04 | BK068E | 403 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1999-05-21 | BK068A | 445 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-04-26 | BC077C | 369 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-03-28 | BC077B | 354 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-03-19 | BK052C | 367 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-03-04 | BC077A | 412 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1997-08-28 | BK052A | 523 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1997-08-15 | BM082C | 527 | 9.7 | 1.8 | 54 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1997-03-13 | BK048B | 566 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-05-16 | BK037B | 336 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-05-02 | BE10B | 360 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-04-23 | BE10A | 357 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-04-07 | BK016 | 426 | no data | FITS PNG PDF | UVF | PNG PDF | PNG |
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