Query= V2540 OPH GCVS Query forms
  NNo      GCVS          J2000.0            Type      Max        Min I         Min II       Epoch        Year      Period          M-m/D     Spectrum      References  Other desig. p.m.(as/yr)   Epoch     Ident.     New type    GCVS
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592540 |V2540 Oph  |173734.60 -162323.2 |NB        |  8.5    |< 20.       |            |V |            |     |                    |     |                 |77130 77131|           |             |2002.073| |Lit.     |          |V2540 Oph |
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      Reference to a chart or photograph:
77131. http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/Novae/hadv105.html.

Reference to a study of the star:

77130. Haseda, K., 2002, IAU Circ No. 7808 {2002IAUC.7808....1H}

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