S4 1716+68 multiwavelength SED

Also known as 2FGL J1714.8+6836, 3FGL J1715.7+6837, 5BZQ J1716+6836, BZQ J1716+6836, CRATES J171613+683636, S41716+686, WMAP5 J1715+6839.

• Class: FSRQ
• Redshift: z = 0.777
• Position (ICRS): RA 259.05808°, Dec 68.61076°
• Data: 8,463 points (113 upper limits) from 38 catalogues
• Dated data: 2010–2024 (MJD 55280–60610)
• Undated catalogue values: 91
• 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: 24 UVOT and 3 XRT
• Largest catalogues (points): NEOWISE (3,093), ZTF (3,056), WISEME (1,454), ASAS-SN (657), PanSTARRS-LC (82)

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=259.05808, dec=68.61076, name="S4 1716+68")

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

Other FSRQs

• TXS 1700+685
• TXS 1645+635
• S4 1842+68
• S4 1849+67
• OS 562
• TXS 1623+578

How to cite

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