1ES 1440+122 multiwavelength SED

Also known as 1ES 1440+12.2, 1FGL J1442.8+1158, 1FLAT J144248.3+120040, 1OUNYU J144248+1200.6, 2FGL J1442.7+1159, 2FHL J1442.9+1159, 2WHSP J144248.1+120039, 3FGL J1442.8+1200, 3HSP J144248.2+120040, 5BZB J1442+1200, BZB J1442+1200, ROXA J144248.1+120040.2, SDSS J144248.28+120040.2.

• Class: BL Lac
• Redshift: z = 0.163
• Position (ICRS): RA 220.70115°, Dec 12.01122°
• Data: 7,752 points (35 upper limits) from 36 catalogues
• Dated data: 2008–2024 (MJD 54629–60534)
• Undated catalogue values: 102
• 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: 52 UVOT and 57 XRT
• Largest catalogues (points): ASAS-SN (5,107), ZTF (1,552), NEOWISE (626), WISEME (124), MMDCXRT (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=220.70115, dec=12.01122, name="1ES 1440+122")

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

Other BL Lac objects

• TXS 1421+048
• 4C +16.39
• TXS 1516+064
• MS 1402.3+0416
• PKS 1509+022
• 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).