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Table 7.

Spectroscopic analysis of new warm and hot RCB stars.

WISE All-Sky WISE 2MASS Ca II IR triplet Hα ? Warm RCB Comments
designation [12] mag K mag strength abs. lines?
New Warm RCB stars

139 5.43 9.60 Small No Yes with Si II
169 5.54 9.66 Weak small Hα Yes with Strong Si II
171 4.47 9.61 Strong No Yes with Si II
174 6.86 9.70 Weak small Hα Yes with Strong Si II
J174111−28 5.27 9.40 Small No Yes with Si II
J174119−25 6.00 9.89 Medium No Yes with Si II
188 3.99 8.30 Strong No Yes with Si II
190 5.14 9.58 Strong No Yes
191 4.32 8.63 Strong No Yes with Si II
193 5.10 8.67 Strong No Yes with Si II
197 3.19 7.36 Weak No Yes with Strong Si II Possible weak CH feature
209 2.75 7.88 Medium No Yes with Si II
257 5.21 10.14 Medium small Hα Yes with Strong Si II
5003 8.62 12.81 Medium No Yes with Si II

New Hot RCB star

6005 5.55 13.42 None Emission No Many emission lines including
He I(5876 + 6678 + 7065), O I(7774, Pcyg.),
C I(9050 − 9100) and C II

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