PKS B1434+235 multiwavelength SED

Also known as 1FGL J1436.9+2314, 1OUNYU J143641+2321.0, 2FGL J1436.9+2319, 3FGL J1436.8+2322, 5BZQ J1436+2321, BZQ J1436+2321, CRATES J1436+2321, CRATES J143641+232039, PKS 1434+235.

• Class: FSRQ
• Redshift: z = 1.546
• Position (ICRS): RA 219.17075°, Dec 23.35091°
• Data: 2,681 points (17 upper limits) from 38 catalogues
• Dated data: 2010–2024 (MJD 55215–60490)
• Undated catalogue values: 117
• Frequency range of detections: log ν = 7.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 4 UVOT and 5 XRT
• Largest catalogues (points): ZTF (1,493), NEOWISE (706), WISEME (147), ASAS-SN (122), PanSTARRS-LC (75)

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=219.17075, dec=23.35091, name="PKS B1434+235")

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

Other FSRQs

• PKS 1441+25
• OQ 253
• OQ 334
• B2 1348+30B
• B2 1520+31
• B2 1436+37B

How to cite

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