Common Name: | 4C +28.07 | MOJAVE 15 GHz [Total intensity movie]   | [Polariz. movie] | VLBA 1.4 GHz: University College Cork Program |
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B1950 Name: | 0234+285 | ![]() |
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J2000 Name: | J0237+2848 | ||||||||||||||||||||
R.A. and Dec. (J2000): | 2h37m52.406s +28d48'8.990" |
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AGN Class: | LSP HPQ | ||||||||||||||||||||
Redshift: | 1.206 (Shaw et al. 2012, ApJ, 748, 49) | Luminosity Distance: | 8385 Mpc ; 8.35 pc/mas | ||||||||||||||||||
Radio Spectrum: | Flat | ||||||||||||||||||||
Gamma-ray Association | LAT: Y, EGRET: P, TeV: N | ||||||||||||||||||||
Kpc-scale morphology: | One-sided | ||||||||||||||||||||
Jet Speed: | Maximum: 409 ± 24 μas/y ; 24.6 ± 1.4 c Median: 196 ± 7 μas/y ; 11.79 ± 0.44 c based on 6 moving features Lister et al. 2019, ApJ,874,43 |
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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: MOJAVE Program |
Kpc-scale: Cooper et al. 2007, ApJ Supl 171, 376 | |||||||||||||||||||
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Fermi LAT and 15 GHz VLBA Light Curves![]() |
VLBA 43 GHz: MOJAVE Program |
Multiepoch Radio Spectrum: |
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Comments: | In MOJAVE multifrequency sample |
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 |
2025-06-15 * | BK255AI | 2024-11-26 * | BL286BJ | 1711 | 59 | 3.4 | 89 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2024-05-10 * | BL286BE | 1628 | 49 | 3.0 | 96 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2023-08-18 * | BL286AY | 1710 | 30 | 1.7 | 104 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2022-12-31 | BL286AQ | 1878 | 40 | 2.1 | 105 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2022-03-18 | BL286AI | 2305 | 71 | 3.1 | 74 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-08-01 | BL273AX | 1865 | 26 | 1.4 | 152 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-06-25 | BL273AW | 1880 | 34 | 1.8 | 159 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-05-16 | BL273AV | 1934 | 35 | 1.8 | 156 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-04-09 | BL273AU | 1982 | 15 | 0.8 | 171 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-03-21 | BL273AT | 1886 | 15 | 0.8 | 49 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-02-21 | BL273AS | 1823 | 23 | 1.2 | 36 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2021-02-05 | BL273AR | 1861 | 28 | 1.5 | 31 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-12-27 | BL273AQ | 1736 | 21 | 1.2 | 43 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-11-29 | BL273AP | 1732 | 29 | 1.7 | 50 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-11-02 | BL273AO | 1665 | 50 | 3.0 | 57 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-09-03 | BL273AN | 1741 | 52 | 3.0 | 67 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-08-15 | BL273AM | 1716 | 57 | 3.3 | 68 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-07-31 | BL273AL | 1797 | 57 | 3.2 | 71 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-06-14 | BL273AK | 1787 | 49 | 2.7 | 71 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-05-29 | BL273AJ | 1856 | 47 | 2.5 | 70 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-05-22 | BL273AI | 1951 | 38 | 1.9 | 72 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-05-01 | BL273AH | 2027 | 16 | 0.8 | 66 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-03-26 | BL273AG | 2227 | 17 | 0.8 | 44 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-02-28 | BL273AF | 2309 | 33 | 1.4 | 64 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2020-01-04 | BL273AE | 2364 | 67 | 2.8 | 40 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-12-15 | BL273AD | 2443 | 61 | 2.5 | 46 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-11-14 | BL273AC | 2404 | 27 | 1.1 | 47 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-10-08 | BL273AB | 2388 | 31 | 1.3 | 26 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2019-08-15 | BL273AA | 2407 | 21 | 0.9 | 4 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2012-01-02 | BL178AE | 4016 | 114 | 2.8 | 149 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-09-12 | BL149DQ | 3134 | 143 | 4.6 | 132 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-06-24 | BL149DL | 2595 | 96 | 3.7 | 128 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2011-05-26 | BL149DI | 2654 | 98 | 3.7 | 122 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-09-17 | BL149CP | 2224 | 46 | 2.1 | 75 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2010-06-27 | BH152B | 2256 | 13 | 0.6 | 97 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2009-06-25 | BL149BO | 2538 | 52 | 2.1 | 132 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2008-07-30 | BL149AL | 3256 | 59 | 1.8 | 70 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2007-06-03 | BL149AA | 2955 | 84 | 2.8 | 61 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2006-09-06 | BL137I | 2950 | 32 | 1.1 | 65 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2005-10-29 | BL123L | 4789 | 74 | 1.5 | 108 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2005-03-23 | BL123D | 4151 | 36 | 0.9 | 98 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2004-02-11 | BL111K | 2889 | 47 | 1.6 | 129 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2002-11-23 | BL111D | 3938 | 12 | 0.3 | 175 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 2000-12-28 | BK068F | 2907 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1999-07-17 | BP053 | 2828 | 48 | 1.7 | 152 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1999-05-21 | BK068A | 2647 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1999-01-07 | BM108 | 2054 | 17 | 0.8 | 109 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1998-04-27 | BM080C | 1926 | 14 | 0.7 | 101 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1998-03-19 | BK052C | 1860 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1998-01-02 | BM080B | 1813 | 33 | 1.8 | 132 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1997-08-10 | BM080 | 1797 | 19 | 1.1 | 158 | FITS PNG PDF | UVF | PNG PDF | p:PNG p:PDF f:PNG f:PDF | PNG | 1996-05-16 | BK037B | 1632 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-05-02 | BE10B | 1814 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-04-23 | BE10A | 1825 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1996-01-13 | BM050 | 1550 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-12-15 | BK37A | 1558 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1995-04-07 | BK016 | 2362 | no data | FITS PNG PDF | UVF | PNG PDF | PNG | 1994-10-03 | BP13 | 2244 | no data | FITS PNG PDF | UVF | PNG PDF | PNG |
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