| Common Name: | ON 246 | MOJAVE 15 GHz [Total intensity movie] | [Polariz. movie] | VLBA 1.4 GHz: NRAO Archive |
| B1950 Name: | 1227+255 |  |
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| J2000 Name: | J1230+2518 | ||
| R.A. and Dec. (J2000): | 12h30m14.089s +25d18'7.136" |
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| AGN Class: | ISP BL Lac | ||
| Redshift: | Unknown | Luminosity Distance: | Unknown |
| Radio Spectrum: | Flat | ||
| Gamma-ray Association | LAT: Y, EGRET: N, TeV: Y | ||
| Kpc-scale morphology: | Core | ||
| Jet Speed: | Maximum: 450 ± 37 μas/y ; Median: N/A ; based on 2 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 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: | Not available | |
VLBA 23 GHz: |
Kpc-scale: Healey et al. 2007, ApJS 171, 61 | |
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Fermi LAT and 15 GHz VLBA Light Curves |
VLBA 43 GHz: |
Multiepoch Radio Spectrum: |
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| Comments: | TeV detected ATEL 7516; z = 0.135 of 1996AA...309..419N not confirmed by Paiano 2017 | ||
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.
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.
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