S3 0458-02 multiwavelength SED

Also known as 1FGL J0501.0-0200, 1FLAT J050112.8-015914, 1Jy 0458-020, 1OUNYU J050113-0159.2, 2E 0458.6-0203, 2FGL J0501.2-0155, 3FGL J0501.2-0157, 5BZQ J0501-0159, BZQ J0501-0159, CRATES J050112-015921, PKS 0458-02, PKS 0458-020, PKS B0458-020, PMN J0501-0159, Q0458-020, QSO B0458-020, TXS 0458-020, WMAP5 J2134-0154.

• Class: FSRQ
• Redshift: z = 2.286
• Position (ICRS): RA 75.30337°, Dec −1.98729°
• Data: 4,490 points (8 upper limits) from 45 catalogues
• Dated data: 2007–2025 (MJD 54182–60969)
• Undated catalogue values: 611
• Frequency range of detections: log ν = 7.9–25.2 [Hz] (radio, microwave, infrared, optical, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 162 UVOT and 112 XRT
• Largest catalogues (points): ZTF (2,002), ASAS-SN (929), MMDCGR (362), SMARTS (270), SUFST (170)

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=75.30337, dec=-1.98729, name="S3 0458-02")

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

Other FSRQs

• PKS 0440-00
• PKS 0502+049
• 4C +06.21
• PKS 0420-01
• OG 050
• TXS 0519-176

How to cite

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