TXS 1226+492 multiwavelength SED

Also known as 1FGL J1228.2+4855, 1FLAT J122851.8+485801, 2FGL J1228.6+4857, 3FGL J1228.7+4857, 5BZQ J1228+4858, BZQ J1228+4858, CRATES J122851+485813, SDSS J122851.76+485801.2, SDSS J12288+4858, TEX 1226+492.

• Class: FSRQ
• Redshift: z = 1.719
• Position (ICRS): RA 187.21570°, Dec 48.96703°
• Data: 2,232 points (34 upper limits) from 30 catalogues
• Dated data: 2009–2024 (MJD 54887–60442)
• Undated catalogue values: 72
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 12 UVOT and 3 XRT
• Largest catalogues (points): ZTF (1,224), NEOWISE (729), WISEME (92), PanSTARRS-LC (71), ASAS-SN (27)

Get the data

• The SED as CSV from the MMDC SED API (docs.mmdc.am).
• In Python, with astro-mmdc:

  from astro_mmdc import MMDC
  sed = MMDC().sed.get(ra=187.2157, dec=48.96703, name="TXS 1226+492")

• The interactive SED plot, with time filtering and modeling (needs JavaScript).

Other FSRQs

• 4C +49.22
• TXS 1206+549
• TXS 1308+554
• B3 1330+476
• S4 1144+40
• 5C 12.291

How to cite

Sahakyan, N., Vardanyan, V., Giommi, P., et al. 2024, AJ, 168, 289, doi:10.3847/1538-3881/ad8231 (arXiv:2410.01207).