1H 0506-039 multiwavelength SED

Also known as 1ES 0507-040, 1FLAT J050938.2-040045, 1OUNYU J050938-0400.7, 2WHSP J050938.0-040045, 3FGL J0509.7-0400, 3HSP J050938.2-040046, 4U 0506-03, 5BZB J0509-0400, BZB J0509-0400, EXO0507.1-0404.

• Class: BL Lac
• Redshift: z = 0.304
• Position (ICRS): RA 77.40908°, Dec −4.01269°
• Data: 4,306 points (23 upper limits) from 28 catalogues
• Dated data: 1999–2024 (MJD 51220–60610)
• Undated catalogue values: 75
• 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: 18 UVOT and 17 XRT
• Largest catalogues (points): ASAS-SN (2,678), ZTF (763), NEOWISE (583), PanSTARRS-LC (76), WISEME (70)

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=77.40908, dec=-4.01269, name="1H 0506-039")

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

Other BL Lac objects

• TXS 0506+056
• RBS 0589
• 1ES 0414+009
• 1ES 0347-121
• PKS 0336-177
• 1H 0323+022

How to cite

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