OJ 259 multiwavelength SED

Also known as 1FLAT J083740.2+245422, 1OUNYU J083740+2454.3, 5BZQ J0837+2454, B20834+25, BZQ J0837+2454, CRATES J083741+245424.

• Class: FSRQ
• Redshift: z = 1.126
• Position (ICRS): RA 129.41769°, Dec 24.90642°
• Data: 2,664 points (21 upper limits) from 35 catalogues
• Dated data: 2005–2024 (MJD 53647–60611)
• Undated catalogue values: 114
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (1,332), NEOWISE (524), ASAS-SN (452), PanSTARRS-LC (77), WISEME (64)

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=129.41769, dec=24.90642, name="OJ 259")

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

Other FSRQs

• S3 0827+24
• B2 0920+28
• OI 275
• B2 0743+25
• TXS 0747+185
• OI 380

How to cite

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