PKS 2021-330 multiwavelength SED

Also known as 3FGL J2024.4-3254, 5BZQ J2024-3253, BZQ J2024-3253, CRATES J202435-325338, TXS 2021-330.

• Class: FSRQ
• Redshift: z = 1.465
• Position (ICRS): RA 306.14824°, Dec −32.89331°
• Data: 2,221 points (12 upper limits) from 30 catalogues
• Dated data: 2010–2024 (MJD 55306–60449)
• Undated catalogue values: 119
• 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: 56 UVOT and 5 XRT
• Largest catalogues (points): ASAS-SN (1,974), WISEME (72), PACO (40), MMDCOUV (29), 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=306.14824, dec=-32.89331, name="PKS 2021-330")

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

Other FSRQs

• PKS 1954-388
• PKS B1921-293
• PKS 2052-47
• PKS 1958-179
• PKS 2008-159
• PKS 2123-463

How to cite

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