TXS 2147-144 multiwavelength SED

Also known as 1FGL J2150.3-1410, 1FLAT J215015.5-141049, 1OUNYU J215015-1410.8, 2WHSP J215015.4-141049, 3FGL J2150.2-1411, 3HSP J215015.5-141050, 5BZG J2150-1410, BZB J2150-1410, RXS J21502-1410.

• Class: BL Lac
• Redshift: z = 0.220
• Position (ICRS): RA 327.56466°, Dec −14.18054°
• Data: 2,356 points (23 upper limits) from 30 catalogues
• Dated data: 2009–2024 (MJD 55010–60449)
• Undated catalogue values: 73
• Frequency range of detections: log ν = 8.2–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 62 UVOT and 33 XRT
• Largest catalogues (points): ASAS-SN (1,440), NEOWISE (540), PanSTARRS-LC (83), WISEME (70), ZTF (66)

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=327.56466, dec=-14.18054, name="TXS 2147-144")

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

Other BL Lac objects

• TXS 2056-149
• PKS 2131-021
• PKS 2155-304
• PKS 2240-260
• MS 2143.4+0704
• 87GB 214302.1+095227

How to cite

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