B3 1708+433 multiwavelength SED

Also known as 1FGL J1709.6+4320, 1FLAT J170941.1+431844, 2FGL J1709.7+4319, 3FGL J1709.6+4318, 5BZQ J1709+4318, BZQ J1709+4318, CRATES J170940+431845.

• Class: FSRQ
• Redshift: z = 1.027
• Position (ICRS): RA 257.42119°, Dec 43.31237°
• Data: 7,574 points (46 upper limits) from 37 catalogues
• Dated data: 2008–2024 (MJD 54751–60609)
• Undated catalogue values: 79
• Frequency range of detections: log ν = 8.2–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (5,119), NEOWISE (1,314), ASAS-SN (632), MMDCGR (181), WISEME (138)

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=257.42119, dec=43.31237, name="B3 1708+433")

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

Other FSRQs

• S4 1726+45
• 3C 345
• 4C +47.44
• 4C +38.41
• S4 1738+49
• TXS 1629+495

How to cite

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