TXS 1422+373 multiwavelength SED

Also known as 1FLAT J142421.2+370553, 1OUNYU J142421+3705.8, 1RXS J142421.3+370554, 2WHSP J142421.1+370552, 3HSP J142421.2+370553, 5BZG J1424+3705, BZB J1424+3705, ROXA J142447.3+023951.9, SDSS J142421.17+370552.8, SDSS J14243+3705.

• Class: BL Lac
• Redshift: z = 0.290
• Position (ICRS): RA 216.08833°, Dec 37.09803°
• Data: 4,077 points (154 upper limits) from 30 catalogues
• Dated data: 2010–2024 (MJD 55203–60568)
• Undated catalogue values: 66
• 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: 68 UVOT and 19 XRT
• Largest catalogues (points): ZTF (2,342), NEOWISE (856), WISEME (390), ASAS-SN (256), PanSTARRS-LC (98)

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=216.08833, dec=37.09803, name="TXS 1422+373")

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

Other BL Lac objects

• 87GB 141615.9+355650
• 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).