S4 0805+41 multiwavelength SED

Also known as 1FLAT J080856.8+405244, 1OUNYU J080857+4052.7, 3FGL J0809.5+4045, 5BZQ J0808+4052, B30805+410, BZQ J0808+4052, CRATES J080855+405252, ROXA J080856.5+405244.9, S40805+410.

• Class: FSRQ
• Redshift: z = 1.418
• Position (ICRS): RA 122.23605°, Dec 40.87914°
• Data: 4,190 points (11 upper limits) from 33 catalogues
• Dated data: 2010–2024 (MJD 55200–60449)
• Undated catalogue values: 80
• 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: 10 UVOT
• Largest catalogues (points): ZTF (2,906), NEOWISE (512), ASAS-SN (422), PanSTARRS-LC (186), WISEME (68)

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=122.23605, dec=40.87914, name="S4 0805+41")

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

Other FSRQs

• 4C +39.23
• B3 0803+452
• OJ 451
• OI 380
• OJ 508
• 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).