PKS 0454-234 multiwavelength SED

Also known as 1FGL J0457.0-2325, 1FLAT J045703.2-232451, 1Jy 0454-234, 1OUNYU J045703-2324.8, 2FGL J0457.0-2325, 2FHL J0456.9-2323, 3FGL J0457.0-2324, 5BZQ J0457-2324, BZQ J0457-2324, CRATES J045702-232452, PKS B0454-234, WMAP128, WMAP5 J0456-2322.

• Class: FSRQ
• Redshift: z = 1.000
• Position (ICRS): RA 74.26325°, Dec −23.41445°
• Data: 5,856 points (5 upper limits) from 47 catalogues
• Dated data: 2008–2025 (MJD 54684–60969)
• Undated catalogue values: 1,821
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 306 UVOT and 113 XRT
• Largest catalogues (points): ASAS-SN (2,054), SMARTS (1,432), MMDCGR (670), ZTF (611), SUFST (180)

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=74.26325, dec=-23.41445, name="PKS 0454-234")

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

Other FSRQs

• PKS 0451-28
• TXS 0519-176
• PKS 0537-286
• PKS 0403-13
• PKS 0346-27
• PKS 0402-362

How to cite

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