S3 0827+24 multiwavelength SED

Also known as 1FGL J0830.5+2407, 1FLAT J083052.1+241059, 1OUNYU J083052+2410.9, 2FGL J0830.5+2407, 3FGL J0830.7+2408, 5BZQ J0830+2410, B20827+24, BZQ J0830+2410, CRATES J083052+241047, OJ248, QSO B0827+243, ROXA J083052.0+241059.8, TXS 0827+243, WMAP112, WMAP5 J1043+2407.

• Class: FSRQ
• Redshift: z = 0.939
• Position (ICRS): RA 127.71703°, Dec 24.18328°
• Data: 4,851 points (8 upper limits) from 40 catalogues
• Dated data: 2008–2025 (MJD 54476–60934)
• Undated catalogue values: 793
• Frequency range of detections: log ν = 7.9–24.7 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 710 UVOT
• Largest catalogues (points): ASAS-SN (2,893), SUFST (627), OUSXB (368), MMDCOUV (355), ZTF (191)

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=127.71703, dec=24.18328, name="S3 0827+24")

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

Other FSRQs

• OJ 259
• OI 275
• B2 0743+25
• TXS 0747+185
• OI 380
• B2 0920+28

How to cite

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