PKS 0420-01 multiwavelength SED

Also known as 1FGL J0423.2-0118, 1FLAT J042315.7-012033, 1Jy 0420-014, 1OUNYU J042316-0120.5, 2FGL J0423.2-0120, 3FGL J0423.2-0119, 5BZQ J0423-0120, BZQ J0423-0120, CRATES J042315-012034, PKS 0420-014, PKS B0420-014, PMN J0423-0120, QSO B0420-014, TXS 0420-014, WMAP110, WMAP5 J0423-0120.

• Class: FSRQ
• Redshift: z = 0.916
• Position (ICRS): RA 65.81584°, Dec −1.34252°
• Data: 3,943 points (7 upper limits) from 47 catalogues
• Dated data: 2007–2025 (MJD 54183–60968)
• Undated catalogue values: 419
• Frequency range of detections: log ν = 7.1–25.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 296 UVOT and 212 XRT
• Largest catalogues (points): ZTF (1,210), ALMA (740), ASAS-SN (504), MMDCXRT_ORBIT (254), MMDCXRT (181)

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=65.81584, dec=-1.34252, name="PKS 0420-01")

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

Other FSRQs

• PKS 0440-00
• S3 0458-02
• PKS 0336-01
• 4C +06.21
• PKS 0502+049
• PKS 0403-13

How to cite

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