PKS 2022+031 multiwavelength SED

Also known as 1FLAT J202509.6+031644, 5BZQ J2025+0316, BZQ J2025+0316, CRATES J202509+031646, PKS B2022+031.

• Class: FSRQ
• Redshift: z = 2.210
• Position (ICRS): RA 306.29013°, Dec 3.27903°
• Data: 2,074 points (40 upper limits) from 28 catalogues
• Dated data: 2009–2024 (MJD 55029–60609)
• Undated catalogue values: 72
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (1,142), NEOWISE (600), WISEME (174), PanSTARRS-LC (75), GLEAMV2 (19)

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=306.29013, dec=3.27903, name="PKS 2022+031")

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

Other FSRQs

• PKS 2032+107
• PKS 2023-07
• TXS 1957-135
• OX 057
• PKS 2008-159
• PKS 2145+06

How to cite

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