M87* median Tsys* (K) in 2021: 
Antenna  Source
Gl       M87       2459.89
Mg       M87       2260.50
Mm       M87        943.40
Nn       M87       3160.75
Pv       M87       2156.50
Aa       M87       151.0
Sw       M87       16814.37
