PKS 2246+208 multiwavelength SED

Also known as 1FLAT J224900.6+210702, 5BZQ J2249+2107, BZQ J2249+2107, CRATES J224900+210719, PKS B2246+208, TXS 2246+208.

• Class: FSRQ
• Redshift: z = 1.279
• Position (ICRS): RA 342.25235°, Dec 21.11745°
• Data: 4,139 points (54 upper limits) from 34 catalogues
• Dated data: 2010–2025 (MJD 55360–60969)
• Undated catalogue values: 73
• Frequency range of detections: log ν = 8.2–25.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 60 UVOT and 11 XRT
• Largest catalogues (points): ZTF (3,079), NEOWISE (554), MMDCGR (203), WISEME (76), PanSTARRS-LC (75)

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=342.25235, dec=21.11745, name="PKS 2246+208")

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

Other FSRQs

• 3C 454.3
• PKS 2223+21
• B2 2234+28A
• 4C +27.50
• CTA 102
• PKS 2201+171

How to cite

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