SBS 1508+561 multiwavelength SED

Also known as 1FGL J1509.4+5602, 1FLAT J150947.9+555617, 1OUNYU J150948+5556.2, 2FGL J1509.7+5556, 3FGL J1509.7+5556, 3HSP J150948.0+555617, 5BZB J1509+5556, BZB J1509+5556, ROXA J150947.8+555617.1, RX J15098+5555, SDSS J150947.97+555617.3.

• Class: BL Lac
• Redshift: z = 0.200
• Position (ICRS): RA 227.44979°, Dec 55.93814°
• Data: 5,369 points (31 upper limits) from 30 catalogues
• Dated data: 2010–2024 (MJD 55257–60571)
• Undated catalogue values: 68
• Frequency range of detections: log ν = 8.5–25.4 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 64 UVOT and 3 XRT
• Largest catalogues (points): ZTF (3,013), NEOWISE (1,401), ASAS-SN (599), WISEME (198), PanSTARRS-LC (65)

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=227.44979, dec=55.93814, name="SBS 1508+561")

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

Other BL Lac objects

• 1ES 1533+535
• RBS 1409
• 1ES 1421+582
• OQ 530
• RBS 1555
• MS 1407.9+5954

How to cite

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