PKS 1509+022 multiwavelength SED

Also known as 1FGL J1512.3+0201, 1FLAT J151215.8+020316, 1OUNYU J151216+0203.2, 3FGL J1512.2+0202, 5BZG J1512+0203, BZU J1512+0203.

• Class: BL Lac
• Redshift: z = 0.220
• Position (ICRS): RA 228.06559°, Dec 2.05472°
• Data: 2,648 points (19 upper limits) from 40 catalogues
• Dated data: 2008–2025 (MJD 54705–60910)
• Undated catalogue values: 114
• Frequency range of detections: log ν = 7.9–25.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 30 UVOT and 10 XRT
• Largest catalogues (points): ZTF (1,617), NEOWISE (620), PanSTARRS-LC (86), WISEME (84), MMDCGR (53)

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=228.06559, dec=2.05472, name="PKS 1509+022")

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

Other BL Lac objects

• PKS 1514+00
• TXS 1516+064
• RBS 1424
• TXS 1421+048
• 1ES 1440+122
• PG 1553+113

How to cite

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