PKS 2052-47 multiwavelength SED

Also known as 1FGL J2056.3-4714, 1FLAT J205616.4-471447, 1Jy 2052-474, 1OUNYU J205616-4714.7, 2FGL J2056.2-4715, 3FGL J2056.2-4714, 5BZQ J2056-4714, BZQ J2056-4714, CRATES J205615-471445, PKS 2052-474, PKS B2052-474, QSO B2052-474, WMAP208, WMAP5 J2329-4733.

• Class: FSRQ
• Redshift: z = 1.492
• Position (ICRS): RA 314.06817°, Dec −47.24656°
• Data: 4,498 points (4 upper limits) from 43 catalogues
• Dated data: 2008–2024 (MJD 54685–60467)
• Undated catalogue values: 1,177
• 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: 46 UVOT and 59 XRT
• Largest catalogues (points): ASAS-SN (1,955), SMARTS (855), ALMA (634), MMDCGR (403), PACO (100)

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=314.06817, dec=-47.24656, name="PKS 2052-47")

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

Other FSRQs

• PKS 2123-463
• PKS 2204-54
• PKS 1954-388
• PKS 2021-330
• PKS 2149-306
• PKS B1921-293

How to cite

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