Common Name: | Mrk 501 | MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] | VLBA 1.4 GHz: 2004ApJ...600..127G |
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B1950 Name: | 1652+398 | ![]() |
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J2000 Name: | J1653+3945 | ||||||||||
R.A. and Dec. (J2000): | 16h53m52.217s +39d45'36.609" |
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AGN Class: | HSP BL Lac | ||||||||||
Redshift: | 0.0337 (1993A&AS...98..393S) | Luminosity Distance: | 147 Mpc ; 0.66 pc/mas | ||||||||
Radio Spectrum: | Flat | ||||||||||
Gamma-ray Association | LAT: Y, EGRET: Y, TeV: Y | ||||||||||
Kpc-scale morphology: | One-sided Halo | ||||||||||
Jet Speed: | Maximum: 397 ± 78 μas/y ; 0.89 ± 0.17 c Median: 33 ± 8 μas/y ; 0.074 ± 0.018 c based on 8 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_02_12 | Spectral Index 8-15 GHz Map: | 2006_02_12 | Multifrequency MOJAVE VLBA Data:
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VLBA 23 GHz: |
Kpc-scale: Cassaro, Stanghellini, Bondi 1999, AAS 139, 601 | |||||||||
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Fermi LAT and 15 GHz VLBA Light Curves![]() |
VLBA 43 GHz: Lister and Smith 2000, ApJ 541,66 |
Multiepoch Radio Spectrum: |
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Comments: | LAT 1FM source; EGRET LAT20 TEV; VLA image in KWR92; Giovannini also has recent image; |
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 |
2025-01-26 * | BK255AE | 670 | 17 | 2.5 | 153 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2025-01-06 * | BK255AD | 756 | 9.0 | 1.2 | 156 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2024-06-19 * | BL286BH | 716 | 6.2 | 0.9 | 169 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2023-09-24 * | BL286AZ | 824 | 4.0 | 0.5 | 56 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2023-02-04 * | BL286AR | 605 | 3.0 | 0.5 | 92 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2022-03-18 | BL286AI | 899 | 6.2 | 0.7 | 24 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-05-01 | BL273K | 817 | 7.7 | 0.9 | 71 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-01-11 | BL273I | 726 | 6.7 | 0.9 | 65 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-12-22 | BL229BC | 784 | 3.2 | 0.4 | 41 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-10-11 | BL273B | 719 | 4.4 | 0.6 | 42 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2018-05-31 | BL229AO | 630 | 3.6 | 0.6 | 170 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-03-04 | BL178AH | 644 | 4.1 | 0.6 | 106 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-04-11 | BL149DF | 703 | 8.6 | 1.2 | 163 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-11-04 | BL149CV | 790 | 9.5 | 1.2 | 169 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-06-15 | BL149BN | 854 | 8.6 | 1.0 | 124 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-05-14 | BK150J | 937 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2009-01-07 | BL149BG | 797 | 4.4 | 0.6 | 129 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-06-25 | BL149AJ | 799 | 7.3 | 0.9 | 91 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-05-01 | BL149AO | 737 | 11 | 1.5 | 120 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-08-16 | BL149AF | 747 | 12 | 1.6 | 147 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-06-10 | BL149AB | 719 | 6.3 | 0.9 | 159 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-03-28 | BL137P | 840 | 17 | 2.1 | 150 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-01-06 | BL137R | 732 | 4.4 | 0.6 | 144 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2006-02-12 | BL137A | 856 | 11 | 1.3 | 174 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2004-05-29 | BG131C | 1119 | 11 | 1.0 | 17 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2003-09-26 | BZ030 | 1006 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2003-08-23 | BG131B | 959 | 7.5 | 0.8 | 109 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2003-08-22 | BG137B | 971 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2002-12-13 | BG131A | 828 | 8.7 | 1.1 | 5 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2001-12-30 | BR077H | 640 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1999-07-19 | BK068B | 708 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-10-30 | BK052D | 807 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-05-15 | BA032A | 998 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-04-26 | BC077C | 928 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-03-28 | BC077B | 922 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-03-04 | BC077A | 933 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1997-08-15 | BM082C | 861 | 16 | 1.9 | 2 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1997-05-26 | BM082B | 831 | 19 | 2.3 | 6 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1997-03-13 | BK048B | 784 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1997-02-09 | BG063 | 751 | 16 | 2.1 | 171 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1996-07-10 | BK037C | 693 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-05-16 | BK037B | 795 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-05-02 | BE10B | 690 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-04-23 | BE10A | 579 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-12-15 | BK37A | 778 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-04-07 | BK016 | 691 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-01-20 | BP14 | 588 | no data | FITS PNG PDF | UVF | PNG PDF | PNG |
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