B3 1323+415 multiwavelength SED

Also known as 1FLAT J132558.9+411500, 5BZB J1325+4115, BZB J1325+4115, SDSS J13259+4115.

• Class: BL Lac
• Redshift: z = 0.310
• Position (ICRS): RA 201.49559°, Dec 41.25008°
• Data: 3,476 points (18 upper limits) from 29 catalogues
• Dated data: 2010–2024 (MJD 55282–60527)
• Undated catalogue values: 56
• Frequency range of detections: log ν = 8.2–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Largest catalogues (points): ZTF (2,187), NEOWISE (765), ASAS-SN (277), WISEME (110), PanSTARRS-LC (69)

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=201.49559, dec=41.25008, name="B3 1323+415")

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

Other BL Lac objects

• Ton 116
• 87GB 141615.9+355650
• H 1426+428
• TXS 1422+373
• PG 1437+398
• SBS 1339+554

How to cite

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