PKS 0855-19 multiwavelength SED

Also known as 1FLAT J085805.4-195038, 2FGL J0858.1-1952, 3FGL J0858.1-1951, 5BZQ J0858-1950, CRATES J085805-195034, PKS 0855-196, PKS B0855-196, TXS 0855-196.

• Class: FSRQ
• Redshift: z = 0.646
• Position (ICRS): RA 134.52235°, Dec −19.84359°
• Data: 2,139 points (6 upper limits) from 38 catalogues
• Dated data: 2009–2024 (MJD 55017–60610)
• Undated catalogue values: 97
• 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: 14 UVOT and 8 XRT
• Largest catalogues (points): ASAS-SN (794), NEOWISE (644), ZTF (411), WISEME (84), PanSTARRS-LC (69)

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=134.52235, dec=-19.84359, name="PKS 0855-19")

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

Other FSRQs

• PKS 0925-203
• TXS 0938-133
• TXS 0919-052
• PKS 1004-217
• PKS 0805-07
• PKS 1005-333

How to cite

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