1ES 0120+340 multiwavelength SED

Also known as 1FLAT J012308.6+342048, 1OUNYU J012309+3420.8, 2FGL J0122.6+3425, 2WHSP J012308.5+342048, 3FGL J0122.8+3423, 3HSP J012308.6+342049, 5BZB J0123+3420, BZB J0123+3420, SHBL J012308.7+342049, SWIFT J0122.9+3420.

• Class: BL Lac
• Redshift: z = 0.270
• Position (ICRS): RA 20.78599°, Dec 34.34685°
• Data: 6,213 points (38 upper limits) from 37 catalogues
• Dated data: 1999–2024 (MJD 51181–60609)
• Undated catalogue values: 96
• 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: 60 UVOT and 199 XRT
• Largest catalogues (points): ZTF (3,416), ASAS-SN (1,325), NEOWISE (522), MMDCXRT (485), WISEME (131)

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=20.78599, dec=34.34685, name="1ES 0120+340")

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

Other BL Lac objects

• B3 0045+395
• MS 0205.7+3509
• S2 0109+22
• B2 0201+24
• RBS 0042
• 3C 66A

How to cite

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