PKS 2201+171 multiwavelength SED

Also known as 1FGL J2203.5+1726, 1FLAT J220327.0+172548, 1OUNYU J220327+1725.8, 2FGL J2203.4+1726, 3FGL J2203.4+1725, 5BZQ J2203+1725, BZQ J2203+1725, CRATES J220326+172542, PKS B2201+171, TXS 2201+171, WMAP45, WMAP5 J2203+1723.

• Class: FSRQ
• Redshift: z = 1.076
• Position (ICRS): RA 330.86206°, Dec 17.43007°
• Data: 5,923 points (5 upper limits) from 38 catalogues
• Dated data: 2006–2025 (MJD 54077–60948)
• Undated catalogue values: 177
• Frequency range of detections: log ν = 7.9–25.5 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 20 XRT
• Largest catalogues (points): ZTF (4,146), ASAS-SN (1,196), WISEME (156), MMDCGR (101), SUFST (88)

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=330.86206, dec=17.43007, name="PKS 2201+171")

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

Other FSRQs

• OX 169
• PKS 2223+21
• CTA 102
• PKS 2145+06
• PKS 2246+208
• 3C 454.3

How to cite

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