Common Name: Mrk 501 MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] VLBA 1.4 GHz: 2004ApJ...600..127G
B1950 Name: 1652+398 2 cm VLBA Image map
J2000 Name: J1653+3945
R.A. and Dec. (J2000): 16h53m52.217s
+39d45'36.609"
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
Separation Versus Time Plot: PNG    PS
Stacked epoch 15 GHz VLBA images:
Uniform weight: [PDF]   [GIF]
Natural weight: [PDF]   [GIF]
Circular Beam : [PDF]   [GIF]
Tapered Beam: [PDF]   [GIF]
Pushkarev et al. 2017 :   FITS

Rotation Measure Map: | 2006_02_12 |

Spectral Index Map: | 2006_02_12 |


Multifrequency MOJAVE VLBA Data:

Epoch
8.1 GHz
8.4 GHz
12.1 GHz
2006-02-12
uvf  
uvf  
uvf  

VLBA 23 GHz:
Kpc-scale: Cassaro, Stanghellini, Bondi 1999, AAS 139, 601
23 GHz Image
Kpc Image

Fermi LAT and 15 GHz VLBA Light Curves

Fermi LAT and 15 GHz VLBA Light Curves
VLBA 43 GHz: Lister and Smith 2000, ApJ 541,66
Multiepoch Radio Spectrum:
43 GHz Image
Radio Spectrum
Comments: LAT 1FM source; EGRET LAT20 TEV; VLA image in KWR92; Giovannini also has recent image;

If you use these data in a publication, we ask that you please contact us so we can add a link to the list of external MOJAVE publications, and ask that you cite Lister et al., 2018, ApJS, 234, 12 and include the following acknowledgment: "This research has made use of data from the MOJAVE database that is maintained by the MOJAVE team (Lister et al. 2018)"

Important Note: The MOJAVE team, working with the OVRO 40m AGN monitoring group, discovered a systematic error in the flux densities of all VLBA 15 GHz observations taking place after a date that lies between 2019 April 16 and 2019 May 16. Observations after that date have correlated flux densities that are between 10% and 20% too low. We have adjusted the flux density scaling of the MOJAVE VLBA data up to 2022 Jan 3 based on near-simultaneous OVRO 40m measurements at 15 GHz.

Asterisked entries below denote epochs that have not yet been corrected for the VLBA flux density scaling problem.
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 862 8.7 1.0 16 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2021-05-01 BL273K 773 8.4 1.1 70 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2021-01-11 BL273I 738 8.5 1.2 56 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2019-12-22 BL229BC 735 4.2 0.6 33 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2019-10-11 BL273B 727 5.3 0.7 35 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2018-05-31 BL229AO 638 1.2 0.2 159 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2012-03-04 BL178AH 658 4.2 0.6 154 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2011-04-11 BL149DF 718 7.6 1.1 132 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2010-11-04 BL149CV 811 6.9 0.9 175 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2009-06-15 BL149BN 874 14 1.6 134 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2009-05-14 BK150J 909 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
2009-01-07 BL149BG 825 9.6 1.2 119 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2008-06-25 BL149AJ 829 13 1.6 113 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2008-05-01 BL149AO 753 20 2.7 125 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2007-08-16 BL149AF 776 20 2.5 138 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2007-06-10 BL149AB 759 20 2.6 146 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2007-03-28 BL137P 844 18 2.1 148 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2007-01-06 BL137R 750 9.6 1.3 139 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2006-02-12 BL137A 882 17 2.0 178 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS PNG   PS
2004-05-29 BG131C 1144 15 1.3 33 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
2003-09-26 BZ030 1055 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
2003-08-23 BG131B 990 17 1.7 99 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
2003-08-22 BG137B 1001 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
2002-12-13 BG131A 827 1.7 0.2 71 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
2001-12-30 BR077H 660 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1999-07-19 BK068B 706 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1998-10-30 BK052D 881 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1998-05-15 BA032A 1033 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1998-04-26 BC077C 986 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1998-03-28 BC077B 970 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1998-03-04 BC077A 978 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1997-08-15 BM082C 904 40 4.4 21 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1997-05-26 BM082B 869 31 3.6 16 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1997-03-13 BK048B 797 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1997-02-09 BG063 800 28 3.5 14 FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1996-07-10 BK037C 714 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1996-05-16 BK037B 814 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1996-05-02 BE10B 703 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1996-04-23 BE10A 599 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1995-12-15 BK37A 822 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1995-04-07 BK016 711 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
1995-01-20 BP14 633 no data FITS   PNG   PS FITS   PNG   PS PNG   PS uvf   PNG   PS
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