PKS 1546+027 multiwavelength SED

Also known as 1FGL J1549.3+0235, 1FLAT J154929.4+023700, 1Jy 1546+027, 2FGL J1549.5+0237, 3FGL J1549.4+0237, 5BZQ J1549+0237, BZQ J1549+0237, CRATES J154929+023707, PKS B1546+027, ROXA J154917.3+503805.7, TXS 1546+027, WMAP5, WMAP5 J1549+0236.

• Class: FSRQ
• Redshift: z = 0.414
• Position (ICRS): RA 237.37265°, Dec 2.61699°
• Data: 2,098 points (7 upper limits) from 42 catalogues
• Dated data: 2007–2025 (MJD 54101–60685)
• Undated catalogue values: 236
• Frequency range of detections: log ν = 7.9–24.7 [Hz] (radio, microwave, infrared, optical, ultraviolet, X-ray, γ-ray)
• Swift measurements analysed by MMDC: 50 UVOT and 87 XRT
• Largest catalogues (points): ASAS-SN (1,333), MMDCXRT_ORBIT (137), SUFST (90), MMDCXRT (75), WISEME (72)

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=237.37265, dec=2.61699, name="PKS 1546+027")

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

Other FSRQs

• 4C +05.64
• 4C +10.45
• PKS 1551+130
• PKS 1502+036
• PKS 1502+106
• PKS 1510-089

How to cite

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