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 -172718 (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. |