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[vsnet-j 1806] IM Nor and 2U 1536-52
- Date: Sun, 13 Jan 2002 13:59:21 +0900 (JST)
- To: vsnet-alert@kusastro.kyoto-u.ac.jp, vsnet-campaign-nova@ooruri.kusastro.kyoto-u.ac.jp, vsnet-discovery-nova@ooruri.kusastro.kyoto-u.ac.jp
- From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
- Subject: [vsnet-j 1806] IM Nor and 2U 1536-52
- Cc: dgreen@cfa.harvard.edu, vsnet-id@kusastro.kyoto-u.ac.jp, vsnet-j@kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-j@ooruri.kusastro.kyoto-u.ac.jp
IM Nor and 2U 1536-52
The proposed identification of IM Nor with 2U 1536-52 (as referred
in IAUC 7789) has proven to be false. 2U 1536-52 is an high-mass X-ray
binary QV Nor.
QV Nor = 1A 1540-53 = 3A 1538-522 = 1H 1538-522 = 2S 1538-522
= 2U 1536-52 = 3U 1538-52 = 4U 1538-52
The originally supposed identification of 2U 1536-52 with IM Nor
was already questioned by Wyckoff and Wehinger (1979) PASP 91, 173.
The optical candidate of this X-ray source was proposed by Cowley et al.
(1977) ApJ 218, 3L; Parkes et al. (1978) MNRAS 184, 73P.
See also IAUCs 3201, 3323.
Regards,
Taichi Kato
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