SBS 1339+554 multiwavelength SED

Also known as 5BZB J1341+5514, BZB J1341+5514, ROXA J134136.1+551437.8, SDSS J134136.23+551437.9, SDSS J13416+5514.

• Class: BL Lac
• Redshift: z = 0.207
• Position (ICRS): RA 205.40080°, Dec 55.24360°
• Data: 3,878 points (35 upper limits) from 28 catalogues
• Dated data: 2010–2024 (MJD 55215–60527)
• Undated catalogue values: 51
• Frequency range of detections: log ν = 8.2–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 34 UVOT and 1 XRT
• Largest catalogues (points): ZTF (2,125), NEOWISE (1,040), ASAS-SN (438), WISEME (126), PanSTARRS-LC (84)

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=205.4008, dec=55.2436, name="SBS 1339+554")

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

Other BL Lac objects

• OQ 530
• MS 1407.9+5954
• 1ES 1421+582
• RBS 1409
• 1H 1241+626
• SBS 1508+561

How to cite

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