| Common Name: | W Comae | MOJAVE 2cm [Total intensity movie]   | [Polariz. movie] | Kpc-scale: Perlman and Stocke 1994, AJ 108,56 |
| B1950 Name: | 1219+285 | ![]() |
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| J2000 Name: | J1221+2813 | ||
| R.A. and Dec. (J2000): | 12h21m31.691s +28d13'58.500" |
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| AGN Class: | ISP BL Lac | ||
| Redshift: | 0.103 (2013ApJ...764..135S) | Luminosity Distance: | 469 Mpc ; 1.87 pc/mas |
| Radio Spectrum: | Flat | ||
| Gamma-ray Association | LAT: Y, EGRET: P, TeV: Y | ||
| Kpc-scale morphology: | One-sided | ||
| Max. Jet Speed: | 476 ± 30 μas/y ; 3.20 c [Kellermann et al. 04] |
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| Separation Versus Time Plot: | |||
| Stacked epoch 15 GHz VLBA
images: Natural weight: [PS]   [GIF] Uniform weight: [PS]   [GIF] Rotation Measure Map: | | |
VLBA mm-wave image: Boston U. Blazar Monitoring |
Radio Spectrum (multiepoch plot): |
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| Comments: | LAT 1FM source; NED z=0.102 likely incorrect, see Finke et al. 2008; PS94 also have VLA image | ||
| Epoch | 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 |
2012-04-29 | BL178AJ | 350 | 9 | 2.6 | 45 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2011-04-11 | BL149DF | 392 | 9 | 2.3 | 43 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2010-09-17 | BL149CP | 281 | 10 | 3.6 | 33 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2009-12-17 | BL149CE | 326 | 19 | 5.8 | 37 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2009-05-28 | BL149BL | 346 | 19 | 5.5 | 28 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2009-05-14 | BK150J | 382 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | 2008-08-25 | BL149BB | 350 | 11 | 3.1 | 43 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2008-07-30 | BL149AL | 364 | 16 | 4.4 | 45 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2008-07-17 | BL149AK | 335 | 8 | 2.4 | 34 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2007-04-30 | BK134C | 364 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | 2006-11-10 | BL137K | 330 | 2 | 0.6 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2006-02-12 | BL137A | 345 | 4 | 1.2 | 89 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | JPG PS | 2005-06-18 | BJ036O | 318 | 2005-05-04 | BJ036N | 273 | 2005-03-09 | BJ036M | 293 | 2004-12-10 | BJ036L | 353 | 2004-09-03 | BJ036K | 428 | 2004-06-19 | BJ036J | 384 | 2003-09-27 | BJ036D | 337 | 2003-08-22 | BG137B | 295 | 2003-03-05 | BG128B | 338 | 2002-12-14 | BA064F | 354 | 2002-10-20 | BJ036B | 382 | 2001-03-04 | BK068E | 473 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | 2001-01-07 | BJ036A | 503 | 1999-05-21 | BK068A | 609 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | 1998-03-07 | BK052B | 694 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | 1997-04-06 | BM049C | 513 | 1996-10-27 | BK037D | 360 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | 1996-05-16 | BK037B | 549 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS | 1995-12-15 | BK37A | 477 | 1995-04-07 | BK016 | 467 | FITS JPG PS | FITS JPG PS | JPG PS | uvf | JPG PS |
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