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[vsnet-newvar 175] New Haseda variable (HadV41)

New Haseda variable (HadV41)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV41).

HadV41
= IRAS18090-1853 180901.3 -185300 (1950.0)
    F12=75.84  F25=39.80  F60=20.89L F100=251.14L
    VAR=19 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 181157.8 -185214 (2000.0) IRAS18090-1853 77.330 40.850 21.340L 260.300L 19%
= 181157.8 -185214 (2000.0) SSC18090-1853 77.330 40.850 21.340L 260.300L
= 181202.5 -185207 (2000.0) RAFGL2087
= 181202.5 -185207 (2000.0) TMSS-20444

  HadV41  M:  11.1-(13.2p

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
HadV41         19960525.667  131p  Had.VSOLJ
HadV41         19970309.813  113p  Had.VSOLJ
HadV41         19970416.783  120p  Had.VSOLJ
HadV41         19970517.724  131p  Had.VSOLJ
HadV41         19970606.665  131p  Had.VSOLJ
HadV41         19971019.418  <128p  Had.VSOLJ
HadV41         19980228.825  118p  Had.VSOLJ
HadV41         19980302.825  116p  Had.VSOLJ
HadV41         19980307.799  119p  Had.VSOLJ
HadV41         19980328.811  126p  Had.VSOLJ
HadV41         19980402.798  120p  Had.VSOLJ
HadV41         19980425.712  128p  Had.VSOLJ
HadV41         19980429.715  131p  Had.VSOLJ
HadV41         19980522.681  132p  Had.VSOLJ
HadV41         19980629.626  131p  Had.VSOLJ
HadV41         19990219.832  120p  Had.VSOLJ
HadV41         19990323.780  117p  Had.VSOLJ
HadV41         19990517.749  118p  Had.VSOLJ
HadV41         19990803.530  <132p  Had.VSOLJ
HadV41         20000205.833  111p  Had.VSOLJ
HadV41         20000212.832  111p  Had.VSOLJ

Observer's code:
  Had: K. Haseda (Aichi, Japan)
       Instruments: 10cm F4.0 twin patrol camera +T-Max400(120)

Relayed from Katsumi Haseda <haseda@mxs.mesh.ne.jp>

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