B3 0803+452 multiwavelength SED

Also known as 5BZQ J0806+4504, BZQ J0806+4504, CRATES J080634+450439, S40803+45, TXS 0803+452.

• Class: FSRQ
• Redshift: z = 2.108
• Position (ICRS): RA 121.63947°, Dec 45.07563°
• Data: 2,815 points (46 upper limits) from 29 catalogues
• Dated data: 2008–2024 (MJD 54522–60610)
• Undated catalogue values: 69
• Frequency range of detections: log ν = 8.2–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 2 XRT
• Largest catalogues (points): ZTF (1,991), NEOWISE (527), PanSTARRS-LC (105), WISEME (78), ASAS-SN (35)

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=121.63947, dec=45.07563, name="B3 0803+452")

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

Other FSRQs

• S4 0805+41
• OJ 508
• OJ 451
• 4C +39.23
• TXS 0730+504
• S4 0714+45

How to cite

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