PKS 0252-549 multiwavelength SED

Also known as 1FLAT J025329.2-544151, 3FGL J0253.1-5438, 5BZQ J0253-5441, BZQ J0253-5441, CRATES J025330-544142, PKS B0252-549, PMN J0253-5441, WMAP155, WMAP5 J0253-5442.

• Class: FSRQ
• Redshift: z = 0.539
• Position (ICRS): RA 43.37159°, Dec −54.69762°
• Data: 3,678 points (3 upper limits) from 34 catalogues
• Dated data: 2007–2024 (MJD 54438–60490)
• Undated catalogue values: 182
• 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: 7 XRT
• Largest catalogues (points): ASAS-SN (2,037), NEOWISE (1,252), WISEME (150), PACO (92), ALMA (30)

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=43.37159, dec=-54.69762, name="PKS 0252-549")

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

Other FSRQs

• PKS 0308-611
• PKS 0301-721
• PKS 0227-369
• PKS 0454-46
• PKS 0402-362
• PKS 0539-543

How to cite

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