S5 1217+71 multiwavelength SED

Also known as 1FGL J1221.5+7106, 1FLAT J122003.9+710532, 1OUNYU J122004+7105.5, 2FGL J1219.2+7107, 3FGL J1220.2+7105, 5BZQ J1220+7105, BZQ J1220+7105, CRATES J1220+7105, CRATES J122004+710528, S51217+46, S51217+713.

• Class: FSRQ
• Redshift: z = 0.451
• Position (ICRS): RA 185.01512°, Dec 71.09198°
• Data: 3,456 points (92 upper limits) from 31 catalogues
• Dated data: 2009–2025 (MJD 55191–60850)
• Undated catalogue values: 72
• Frequency range of detections: log ν = 7.9–25.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 120 UVOT and 18 XRT
• Largest catalogues (points): ZTF (1,680), NEOWISE (1,105), MMDCGR (293), WISEME (140), 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=185.01512, dec=71.09198, name="S5 1217+71")

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

Other FSRQs

• S5 1150+81
• S5 1039+81
• S4 1030+61
• TXS 1028+605
• TXS 1206+549
• TXS 1308+554

How to cite

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