Common Name: | 4C +38.41 | MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] | VLBA 1.4 GHz: University College Cork Program |
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B1950 Name: | 1633+382 | ![]() |
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J2000 Name: | J1635+3808 | ||||||||||||||||||||
R.A. and Dec. (J2000): | 16h35m15.493s +38d8'4.501" |
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AGN Class: | LSP HPQ | ||||||||||||||||||||
Redshift: | 1.81534 (2025arXiv250314745D) | Luminosity Distance: | 13958 Mpc ; 8.54 pc/mas | ||||||||||||||||||
Radio Spectrum: | Flat | ||||||||||||||||||||
Gamma-ray Association | LAT: Y, EGRET: Y, TeV: N | ||||||||||||||||||||
Kpc-scale morphology: | Two-sided | ||||||||||||||||||||
Jet Speed: | Maximum: 393 ± 26 μas/y ; 30.8 ± 2.0 c Median: 133 ± 9 μas/y ; 10.39 ± 0.67 c based on 12 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_09_06 | Spectral Index 8-15 GHz Map: | 2006_09_06 | Multifrequency MOJAVE VLBA Data:
Univ. College Cork VLBA L Band Data:
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VLBA 23 GHz: |
Kpc-scale: Murphy, Browne and Perley 1993, MNRAS, 264, 298 | |||||||||||||||||||
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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: | MOJAVE 1.5 Jy source |
Epoch (YYYY-MM-DD) | VLBA Code | VLBA I (mJy) |
VLBA P (mJy) |
VLBA P (%) |
VLBA EVPA (deg.) |
Stokes I Image (Nat. weight) |
Visibility Data |
Stokes I Radplot | Polarization Image (Nat. weight) |
Full Montage |
2025-08-31 * | BK255AK | 2025-03-16 * | BK255AG | 1877 | 30 | 1.6 | 32 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2025-02-21 * | BK255AF | 2040 | 30 | 1.5 | 29 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2024-12-27 * | BL286BK | 2163 | 35 | 1.6 | 29 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2024-08-18 * | BL286BI | 2388 | 82 | 3.4 | 8 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2024-05-10 * | BL286BE | 2438 | 65 | 2.7 | 20 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2023-12-15 * | BL286BB | 2408 | 69 | 2.9 | 18 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2023-08-18 * | BL286AY | 2732 | 88 | 3.2 | 21 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2023-05-27 * | BL286AU | 2775 | 82 | 3.0 | 19 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2023-02-04 * | BL286AR | 1948 | 43 | 2.2 | 18 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2022-07-10 | BL286AM | 2906 | 82 | 2.8 | 12 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2022-04-08 | BL286AJ | 2771 | 86 | 3.1 | 11 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2022-02-07 | BL286AG | 2462 | 61 | 2.5 | 10 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2022-01-22 | BL286AF | 2649 | 51 | 1.9 | 5 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-08-07 | BL286AA | 3064 | 22 | 0.7 | 56 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-05-01 | BL273K | 3412 | 44 | 1.3 | 37 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-01-11 | BL273I | 3289 | 21 | 0.6 | 1 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-12-24 | BL229BL | 3257 | 15 | 0.5 | 167 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-12-01 | BL229BK | 3179 | 34 | 1.1 | 150 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-10-21 | BL273G1 | 2933 | 13 | 0.4 | 146 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-08-30 | BL229BI | 2593 | 45 | 1.7 | 58 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-08-01 | BL229BH | 2791 | 54 | 1.9 | 74 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-07-02 | BL229BG | 2576 | 45 | 1.7 | 75 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-06-08 | BL273F | 2469 | 41 | 1.7 | 82 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-05-25 | BL229BE | 2454 | 35 | 1.4 | 69 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-02-16 | BL273D | 2141 | 34 | 1.6 | 57 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-12-17 | BL273C | 2030 | 26 | 1.3 | 85 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-08-04 | BL273A | 2606 | 24 | 0.9 | 57 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-06-13 | BL229AX | 3105 | 5.2 | 0.2 | 166 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2018-12-16 | BL229AT | 4901 | 96 | 1.9 | 52 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2018-08-19 | BL229AQ | 5019 | 115 | 2.3 | 8 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2018-02-02 | BL229AM | 2572 | 33 | 1.3 | 179 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2017-04-22 | BL229AG | 2559 | 25 | 1.0 | 32 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2016-11-12 | BL193BL | 2583 | 43 | 1.7 | 40 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2016-06-16 | BL193BG | 2530 | 8.1 | 0.3 | 105 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2016-01-16 | BL193BA | 3132 | 29 | 0.9 | 164 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2015-05-08 | BL193AR | 2366 | 16 | 0.7 | 39 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2014-02-27 | BL193AG | 4126 | 67 | 1.6 | 54 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-07-30 | BL178BG | 4336 | 11 | 0.2 | 55 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2013-02-10 | BL178AZ | 3754 | 58 | 1.6 | 84 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-11-28 | BL178AU | 4004 | 123 | 3.1 | 97 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-11-11 | BL178AS | 3960 | 113 | 2.9 | 93 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-03-27 | BL178AI | 2557 | 38 | 1.5 | 37 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-01-02 | BL178AE | 2913 | 13 | 0.4 | 41 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-08-15 | BL149DO | 3260 | 42 | 1.3 | 110 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-06-24 | BL149DL | 3284 | 26 | 0.8 | 128 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-05-21 | BL149DH | 3438 | 50 | 1.5 | 117 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-02-20 | BL149DB | 3534 | 67 | 1.9 | 115 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-10-25 | BL149CT | 3526 | 70 | 2.0 | 135 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-09-29 | BL149CR | 3669 | 59 | 1.6 | 133 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-03-10 | BL149CI | 3930 | 76 | 1.9 | 143 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-12-26 | BL149CF | 3354 | 30 | 0.9 | 67 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-08-19 | BL149BR | 2848 | 17 | 0.6 | 161 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-06-20 | BK150L | 2827 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2009-05-02 | BL149BK | 2882 | 25 | 0.9 | 71 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-05-01 | BL149AO | 2818 | 49 | 1.7 | 30 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-09-06 | BL149AG | 2590 | 47 | 1.8 | 47 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-06-10 | BL149AB | 2066 | 55 | 2.6 | 49 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-03-02 | BL137O | 2207 | 61 | 2.7 | 42 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2006-09-06 | BL137I | 2415 | 42 | 1.7 | 60 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2005-10-29 | BL123L | 2763 | 97 | 3.5 | 41 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2005-09-19 | BL123N | 2939 | 111 | 3.8 | 43 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2005-05-26 | BL123G | 3218 | 159 | 4.9 | 45 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2005-02-05 | BL123B | 3806 | 210 | 5.5 | 48 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2004-11-01 | BG152A | 3935 | 68 | 1.7 | 28 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2003-04-09 | BB153A | 4113 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2003-03-29 | BL111G | 4144 | 44 | 1.1 | 156 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2002-08-02 | BR077M | 3577 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2001-01-04 | BT055 | 2064 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2000-12-28 | BK068F | 1944 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 2000-08-25 | BH068 | 2469 | 78 | 3.2 | 129 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2000-04-29 | BM129 | 2212 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1999-12-30 | BM108G | 2097 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1999-09-26 | BM108E | 2517 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1999-07-28 | BM108C | 2476 | 13 | 0.5 | 67 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1999-07-19 | BK068B | 2417 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-04-27 | BM080C | 2242 | 38 | 1.7 | 52 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1998-03-19 | BK052C | 2158 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-01-02 | BM080B | 2130 | 5.2 | 0.2 | 1 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1997-08-10 | BM080 | 1897 | 19 | 1.0 | 162 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1997-03-13 | BK048B | 1679 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-10-27 | BK037D | 1741 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-07-10 | BK037C | 1717 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-05-16 | BK037B | 1962 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-01-13 | BM050 | 1837 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-12-15 | BK37A | 1777 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-04-07 | BK016 | 2519 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-01-20 | BP14 | 2052 | no data | FITS PNG PDF | UVF | PNG PDF | PNG |
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