Common Name: 4C +04.42 MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] VLBA 1.4 GHz: University College Cork Program
B1950 Name: 1219+044 2 cm VLBA Image map
J2000 Name: J1222+0413
R.A. and Dec. (J2000): 12h22m22.550s
+4d13'15.776"
AGN Class: LSP NLSY1
Redshift: 0.966322 (2020ApJS..249....3A)
Luminosity Distance: 6357 Mpc ; 7.97 pc/mas
Radio Spectrum: Flat
Gamma-ray Association LAT: Y, EGRET: N, TeV: N
Kpc-scale morphology: Two-sided
Jet Speed: Maximum: 13 ± 5 μas/y ; 0.64 ± 0.24 c
Median: N/A ;
based on 2 moving features
Lister et al. 2021, ApJ,923,30
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: | Not available |

Spectral Index 8-15 GHz Map: | 2006_05_24 |


Multifrequency MOJAVE VLBA Data:

Epoch
8.1 GHz
8.4 GHz
12.1 GHz
2006-05-24
uvf  FITS  PNG  PDF 
uvf  FITS  PNG  PDF 
uvf  FITS  PNG  PDF 

VLBA 23 GHz:
Kpc-scale: Kharb, Lister, and Cooper 2010, ApJ 710, 764
23 GHz Image
Kpc Image

Fermi LAT and 15 GHz VLBA Light Curves

Fermi LAT and 15 GHz VLBA Light Curves
VLBA 43 GHz: Cheng et al. 2020
Multiepoch Radio Spectrum:
43 GHz Image
Radio Spectrum
Comments: NLSY1 (Yao 2015), MOJAVE 1.5QC sample

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 team checks and adjusts the flux density scaling of the MOJAVE VLBA data for possible systematics based on near-simultaneous OVRO 40m measurements at 15 GHz. Asterisked entries below denote epochs that have not yet been checked and corrected.
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
queued BL286BD
2023-08-18 * BL286AY 1138 19 1.6 51 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2023-02-04 * BL286AR 649 4.6 0.7 68 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2022-05-21 BL286AK 569 17 3.0 75 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2021-12-10 BL286AD 1178 39 3.3 57 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2021-10-23 BL286AC 1249 38 3.0 55 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2020-12-24 BL229BL 758 14 1.9 104 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2018-12-16 BL229AT 543 8.7 1.6 32 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2015-11-25 BL193AY 664 26 3.9 74 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2010-10-25 BL149CT 924 7.5 0.8 3 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2010-09-01 BG204B 1084 19 1.8 54 FITS   PNG   PDF UVF PNG   PDF
2009-10-27 BL149CC 1017 5.7 0.6 35 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2008-11-19 BL149BE 1113 24 2.2 47 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2007-06-03 BL149AA 909 10 1.1 56 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2006-05-24 BL137E 1166 3.4 0.3 9 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2005-07-24 BL123J 787 3.3 0.4 121 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2005-03-23 BL123D 762 13 1.7 100 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2003-06-15 BL111I 844 5.4 0.6 1 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
2002-06-15 BL111B 909 2.3 0.3 156 FITS   PNG   PDF UVF PNG   PDF p:PNG  p:PDF   f:PNG  f:PDF PNG
1996-05-02 BE10B 601 no data FITS   PNG   PDF UVF PNG   PDF
Home | Science | AGN Samples | Data Archive | Status | Publications | Movies | RM Maps | α Maps | People | Outreach