B2 1604+27 multiwavelength SED

Also known as 1FLAT J160658.3+271705, 5BZQ J1606+2717, BZQ J1606+2717, CRATES J160657+271724, SDSS J16069+2717, TXS 1604+274.

• Class: FSRQ
• Redshift: z = 0.933
• Position (ICRS): RA 241.74292°, Dec 27.28488°
• Data: 2,832 points (11 upper limits) from 31 catalogues
• Dated data: 2009–2024 (MJD 54991–60572)
• Undated catalogue values: 92
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (1,820), NEOWISE (766), WISEME (98), PanSTARRS-LC (56), GLEAMV2 (19)

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=241.74292, dec=27.28488, name="B2 1604+27")

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

Other FSRQs

• OS 319
• B2 1520+31
• 4C +38.41
• B2 1606+40
• 3C 345
• PKS 1551+130

How to cite

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