PKS 1309-216 multiwavelength SED

Also known as 1FGL J1312.4-2156, 2FGL J1312.4-2157, 3FGL J1312.5-2155, 5BZB J1312-2156, BZB J1312-2156, CRATES J131230-215620.

• Class: BL Lac
• Redshift: z = 1.491
• Position (ICRS): RA 198.13148°, Dec −21.93983°
• Data: 2,189 points (14 upper limits) from 32 catalogues
• Dated data: 2008–2024 (MJD 54711–60651)
• Undated catalogue values: 84
• 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: 42 UVOT and 2 XRT
• Largest catalogues (points): ASAS-SN (875), NEOWISE (556), ZTF (290), WISEME (236), 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=198.13148, dec=-21.93983, name="PKS 1309-216")

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

Other BL Lac objects

• TXS 1307-117
• RBS 1080
• PKS 1144-379
• PKS 1440-389
• RBS 1257
• RBS 1457

How to cite

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