TXS 1206+549 multiwavelength SED

Also known as 1FGL J1209.3+5444, 1FLAT J120854.3+544158, 1OUNYU J120854+5441.9, 2FGL J1208.8+5441, 3FGL J1208.7+5442, 5BZQ J1208+5441, BZQ J1208+5441, CRATES J120854+544150, SDSS J12089+5441.

• Class: FSRQ
• Redshift: z = 1.345
• Position (ICRS): RA 182.22607°, Dec 54.69949°
• Data: 2,926 points (39 upper limits) from 31 catalogues
• Dated data: 2008–2025 (MJD 54701–60850)
• Undated catalogue values: 74
• Frequency range of detections: log ν = 8.2–24.7 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 46 UVOT and 3 XRT
• Largest catalogues (points): ZTF (1,732), NEOWISE (760), MMDCGR (120), WISEME (114), PanSTARRS-LC (91)

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=182.22607, dec=54.69949, name="TXS 1206+549")

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

Other FSRQs

• 4C +49.22
• TXS 1226+492
• TXS 1308+554
• S4 1030+61
• TXS 1028+605
• B3 1330+476

How to cite

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