PKS 0502+049 multiwavelength SED

Also known as 1FLAT J050523.2+045942, 1OUNYU J050523+0459.7, 2FGL J0505.5+0501, 3FGL J0505.3+0459, 5BZQ J0505+0459, BZQ J0505+0459, CRATES J050523+045945, PKS B0502+049.

• Class: FSRQ
• Redshift: z = 0.950
• Position (ICRS): RA 76.34660°, Dec 4.99520°
• Data: 4,385 points (9 upper limits) from 37 catalogues
• Dated data: 2008–2025 (MJD 54690–60968)
• Undated catalogue values: 731
• Frequency range of detections: log ν = 7.9–25.1 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 326 UVOT and 199 XRT
• Largest catalogues (points): ZTF (1,122), ASAS-SN (922), NEOWISE (555), SMARTS (428), MMDCGR (267)

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=76.3466, dec=4.9952, name="PKS 0502+049")

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

Other FSRQs

• 4C +06.21
• S3 0458-02
• OG 050
• PKS 0440-00
• PKS 0528+134
• PKS 0420-01

How to cite

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