B2 1606+40 multiwavelength SED

Also known as 1FLAT J160822.1+401217, 5BZQ J1608+4012, BZQ J1608+4012, CRATES J160822+401225, ROXA J160822.0+401217.8, SDSS J16083+4012, TXS 1606+403.

• Class: FSRQ
• Redshift: z = 0.628
• Position (ICRS): RA 242.09232°, Dec 40.20495°
• Data: 4,596 points (27 upper limits) from 29 catalogues
• Dated data: 2010–2024 (MJD 55229–60606)
• Undated catalogue values: 69
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (3,188), NEOWISE (1,069), WISEME (179), PanSTARRS-LC (70), ASAS-SN (21)

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=242.09232, dec=40.20495, name="B2 1606+40")

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

Other FSRQs

• 4C +38.41
• OS 319
• 3C 345
• 4C +47.44
• TXS 1629+495
• B3 1708+433

How to cite

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