NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-22 T05:06:19 PDT
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Notes for object NGC 6540

1 note(s) found in NED.


1. 2001A&A...368..137V
Re:NGC 6540
3.39 NGC 6540/Djorg 3
This cluster is in the field of view of a PSPC observation. A source is
detected at {alpha} = 18^h^06^m^11.97^s^, {delta} = -27^deg^45'55.6", 45"
from the cluster center, but it has a significant countrate in the soft
channels, and thus must be a foreground object, because the cluster is
highly absorbed. The upper limit given in Table 3 is the countrate of this
source.


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