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[vsnet-alert 4411] Re: Hen1341 bright state continues
- Date: Thu, 16 Mar 2000 09:32:47 +0200
- To: <tkato@kusastro.kyoto-u.ac.jp>, <vsnet-alert@kusastro.kyoto-u.ac.jp>
- From: "Berto Monard" <LAGMonar@csir.co.za>
- Subject: [vsnet-alert 4411] Re: Hen1341 bright state continues
- Disclaimer: The CSIR exercises no editorial control over E-mail messages originating in the organisation and the views in this message are therefore not necessarily those of the CSIR and/or its employees.
- Sender: owner-vsnet-alert@kusastro.kyoto-u.ac.jp
Hi Taichi and readers,
using the Tycho2 magnitudes I have been able to recalibrate the Hen 3-1341
observations. They show clearly that the outburst started in 1998 and the bright
optical state still continues up to now. Unfortunately I did not observe this
symbiotic system in 1999.
Hen3-1341 19980422.9 123 MLF
Hen3-1341 19980519.8 121 MLF
Hen3-1341 19980530.8 119
MLF
Hen3-1341 19980621.8 117
MLF
Hen3-1341 19980715.7 116
MLF
Hen3-1341 19980813.7 115
MLF
Hen3-1341 19980920.7 110 MLF
Hen3-1341 20000204.1 111
MLF
Hen3-1341 20000310.1 110
MLF
Hen3-1341 20000315.1 109 MLF
Regards,
Berto Monard
Pretoria
>>> Taichi Kato <tkato@kusastro.kyoto-u.ac.jp> 03/15/00
03:16PM >>>
Hen1341 bright state continues
The
symbiotic variable Hen3-1341, which is reported to have gone an outburst
in
1999, is observed still bright.
YYYYMMDD(UT) mag
observer
20000204.099 116: (B. Monard)
20000315.099 109 (B. Monard)
from [vsnet-alert
3870]:
> Hen1341 = SS75 outburst
>
>
According to astro-ph/9912531, Tomov et al. reports the outburst of
> the
symbiotic star Hen 1341 (Hen 3-1341) = SS 75 (SS 1-75), associated with
>
bipolar jets. The object was observed 2-3 mag brighter than
quiescence
> in 1999 June.
>
> The object
identifications:
>
> GSC6236.636 170836.55 -172630.1 (2000.0) 12.99
0
> USNO0675.12059551 170835.759 -172624.83 (2000.0) 18.2 19.9
>
170836.0 -172630 (2000.0) UBV_He3_1341 12.94 0.79 -1.01 - - - - N=1 Nm=1
-
> 170836.1 -172748 (2000.0) SS1-75 13.5 12.0 8 (Z-) HEN1341
>
170836.1 -172749 (2000.0) HEN1341
> 170835.9 -172659 (2000.0)
(M8III+OEQ)(Buscombe) V=12.94 B-V=.79 U-B=-1.01
>
> =? 170839.0
-172718888888 (2000.0) NSV08226 ? 16.5 16.9 P M2
>
>
Though the object is unfavorable for immediate observations, further
>
optical observations and a look at archival material will be useful.
>
> The available observation by T. Watanabe in 1998
April showed the
> object still in quiescence.
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