OQ 334 multiwavelength SED

Also known as 1OUNYU J142230+3223.1, 3FGL J1422.4+3227, 5BZQ J1422+3223, B21420+32, BZQ J1422+3223, CRATES J142229+322255, ROXA J142235.8-015211.2, SDSS J142230.37+322310.4.

• Class: FSRQ
• Redshift: z = 0.681
• Position (ICRS): RA 215.62657°, Dec 32.38623°
• Data: 2,843 points (131 upper limits) from 36 catalogues
• Dated data: 2008–2025 (MJD 54812–60887)
• Undated catalogue values: 101
• Frequency range of detections: log ν = 8.2–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 650 UVOT and 299 XRT
• Largest catalogues (points): NEOWISE (763), MMDCGR (652), MMDCOUV (325), MMDCXRT_ORBIT (262), SUFST (249)

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=215.62657, dec=32.38623, name="OQ 334")

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

Other FSRQs

• B2 1436+37B
• B2 1348+30B
• PKS 1441+25
• 87GB 135731.7+402612
• PKS B1434+235
• B2 1520+31

How to cite

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