87GB 141615.9+355650 multiwavelength SED

Also known as 1FLAT J141828.7+354248, 1OUNYU J141829+3542.8, 3FGL J1418.5+3543, 3HSP J141828.6+354249.

• Class: BL Lac
• Redshift: z = 0.470
• Position (ICRS): RA 214.61909°, Dec 35.71374°
• Data: 2,749 points (92 upper limits) from 32 catalogues
• Dated data: 2009–2025 (MJD 55123–60859)
• Undated catalogue values: 73
• 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: 10 UVOT and 3 XRT
• Largest catalogues (points): ZTF (1,473), NEOWISE (798), MMDCGR (154), WISEME (118), PanSTARRS-LC (116)

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=214.61909, dec=35.71374, name="87GB 141615.9+355650")

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

Other BL Lac objects

• TXS 1422+373
• PG 1437+398
• H 1426+428
• 1E 1415.6+2557
• B3 1323+415
• PKS 1424+240

How to cite

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