B2 0920+28 multiwavelength SED

Also known as 1FGL J0924.2+2812, 1FLAT J092351.6+281523, 2FGL J0924.0+2819, 3FGL J0924.0+2816, 5BZQ J0923+2815, BZQ J0923+2815, CRATES J092350+281530, TEX 0920+284.

• Class: FSRQ
• Redshift: z = 0.745
• Position (ICRS): RA 140.96468°, Dec 28.25695°
• Data: 2,058 points (7 upper limits) from 33 catalogues
• Dated data: 2010–2024 (MJD 55258–60604)
• Undated catalogue values: 89
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 2 XRT
• Largest catalogues (points): ZTF (1,223), NEOWISE (542), PanSTARRS-LC (79), WISEME (68), MMDCOUV (25)

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=140.96468, dec=28.25695, name="B2 0920+28")

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

Other FSRQs

• OK 290
• 4C +38.28
• OJ 259
• OL 318
• S3 0827+24
• OL 220

How to cite

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