PKS 2149-306 multiwavelength SED

Also known as 1FLAT J215155.5-302753, 1Jy 2149-306, 1OUNYU J215155-3027.9, 1RXS J215155.4-302754, 2FGL J2151.5-3021, 3FGL J2151.8-3025, 5BZQ J2151-3027, BZQ J2151-3027, CRATES J215159-302837, PKS 2149-307, PKS B2149-307, ROXA J215155.4-302754.2, SWIFT J2152.0-3030, TXS 2149-306, WMAP5 J2151-3027.

• Class: FSRQ
• Redshift: z = 2.345
• Position (ICRS): RA 327.98135°, Dec −30.46492°
• Data: 3,209 points (43 upper limits) from 30 catalogues
• Dated data: 1997–2024 (MJD 50752–60457)
• Undated catalogue values: 79
• Frequency range of detections: log ν = 8.2–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 254 UVOT and 339 XRT
• Largest catalogues (points): ASAS-SN (1,055), MMDCXRT (797), NEOWISE (534), MMDCOUV (214), MMDCGR (146)

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=327.98135, dec=-30.46492, name="PKS 2149-306")

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

Other FSRQs

• PKS 2255-282
• PKS 2143-156
• PKS 2123-463
• PKS 2021-330
• PKS 2052-47
• PKS 2243-123

How to cite

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