RBS 1457 multiwavelength SED

Also known as 1FGL J1503.5-1544, 1FLAT J150340.7-154114, 1OUNYU J150341-1541.2, 2FHL J1503.7-1539, 2WHSP J150340.6-154113, 3FGL J1503.7-1540, 3HSP J150340.7-154114, 5BZB J1503-1541, BZB J1503-1541, RXS J15037-1541, SHBL J150340.6-154113.

• Class: BL Lac
• Redshift: z = 0.380
• Position (ICRS): RA 225.91945°, Dec −15.68726°
• Data: 2,046 points (47 upper limits) from 33 catalogues
• Dated data: 2008–2025 (MJD 54794–60859)
• Undated catalogue values: 88
• Frequency range of detections: log ν = 8.9–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 166 UVOT and 172 XRT
• Largest catalogues (points): ZTF (656), NEOWISE (572), MMDCXRT_ORBIT (182), MMDCXRT (147), WISEME (92)

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=225.91945, dec=-15.68726, name="RBS 1457")

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

Other BL Lac objects

• AP Librae
• RBS 1424
• PKS 1514+00
• PKS 1509+022
• TXS 1516+064
• TXS 1421+048

How to cite

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