PKS 2142-75 multiwavelength SED

Also known as 1FLAT J214712.7-753613, 1Jy 2142-758, 3FGL J2147.3-7536, 5BZQ J2147-7536, BZQ J2147-7536, CRATES J214712-753621, PKS 2142-758, PKS B2142-758.

• Class: FSRQ
• Redshift: z = 1.140
• Position (ICRS): RA 326.80304°, Dec −75.60367°
• Data: 2,252 points (48 upper limits) from 37 catalogues
• Dated data: 2009–2024 (MJD 54935–60412)
• Undated catalogue values: 112
• Frequency range of detections: log ν = 7.9–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 68 UVOT and 62 XRT
• Largest catalogues (points): NEOWISE (840), SMARTS (733), MMDCGR (237), WISEME (102), MMDCXRT_ORBIT (58)

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=326.80304, dec=-75.60367, name="PKS 2142-75")

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

Other FSRQs

• PKS 1831-711
• PKS 1758-651
• PKS 0301-721
• PKS 2204-54
• PKS 0637-75
• PKS 2052-47

How to cite

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