TXS 2356-210 multiwavelength SED

Also known as 1FLAT J235919.5-204756, 3FGL J2359.5-2052, 3HSP J235919.5-204756, PGC836810.

• Class: BL Lac
• Redshift: z = 0.0967
• Position (ICRS): RA 359.83139°, Dec −20.79890°
• Data: 2,519 points (19 upper limits) from 29 catalogues
• Dated data: 2010–2024 (MJD 55359–60607)
• Undated catalogue values: 91
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ASAS-SN (1,196), NEOWISE (581), ZTF (519), WISEME (75), PanSTARRS-LC (57)

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=359.83139, dec=-20.7989, name="TXS 2356-210")

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

Other BL Lac objects

• RBS 0030
• KUV 00311-1938
• H 2356-309
• PKS 0003-066
• TXS 0053-098
• PKS 2240-260

How to cite

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