TXS 1920-211 multiwavelength SED

Also known as 1FGL J1923.5-2104, 1FLAT J192332.2-210433, 1OUNYU J192332-2104.5, 2FGL J1923.5-2105, 3FGL J1923.5-2104, 5BZQ J1923-2104, BZQ J1923-2104, CRATES J192332-210434, PMN J1923-2104, TEX 1920-211, WMAP5 J1923-2105, WMAP8.

• Class: FSRQ
• Redshift: z = 0.874
• Position (ICRS): RA 290.88412°, Dec −21.07593°
• Data: 2,694 points (5 upper limits) from 38 catalogues
• Dated data: 2007–2024 (MJD 54319–60489)
• Undated catalogue values: 183
• 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: 18 UVOT and 17 XRT
• Largest catalogues (points): ZTF (1,203), ASAS-SN (1,095), PanSTARRS-LC (89), PACO (80), WISEME (66)

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=290.88412, dec=-21.07593, name="TXS 1920-211")

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

Other FSRQs

• PKS 1936-15
• PKS B1921-293
• PKS 1958-179
• TXS 1957-135
• PKS 2008-159
• PKS 2021-330

How to cite

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