MS 0737.9+7441 multiwavelength SED

Also known as 1FGL J0745.2+7438, 1FLAT J074405.4+743358, 1OUNYU J074405+7433.9, 2FGL J0745.0+7436, 2FHL J0744.2+7435, 2WHSP J074405.2+743357, 3FGL J0744.3+7434, 3HSP J074405.4+743358, 5BZB J0744+7433, BZB J0744+7433, MS 07379+7441, SHBL J074405.6+743358.

• Class: BL Lac
• Redshift: z = 0.315
• Position (ICRS): RA 116.02240°, Dec 74.56618°
• Data: 2,614 points (18 upper limits) from 31 catalogues
• Dated data: 1996–2024 (MJD 50385–60453)
• Undated catalogue values: 75
• Frequency range of detections: log ν = 9.2–26.2 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 38 UVOT and 24 XRT
• Largest catalogues (points): ASAS-SN (1,249), NEOWISE (830), ZTF (177), PanSTARRS-LC (96), WISEME (86)

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=116.0224, dec=74.56618, name="MS 0737.9+7441")

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

Other BL Lac objects

• S5 0716+71
• S5 0454+84
• 1ES 0502+675
• S4 0954+65
• 1H 0658+595
• Mrk 180

How to cite

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