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[vsnet-unknown 48] New Haseda variable (HadV81)

New Haseda variable (HadV81)

   Katsumi Haseda (Aichi, Japan) reports the discovery of a new variable
star (HadV81).  There is a NSV star (NSV11337) slightly west to the variable.

   There is also a ROSAT source slightly east of the variable:
184735.2 -240721 (2000.0) 1RXS-F_J184735.3-240722 0.026 1.00 1.00

   The identity of these objects need to be examined.

HadV81
= USNO0600.19889975 184733.664 -240719.25 (2000.0) 13.1 18.9
= IRAS18445-2410 184430.5 -241042 (1950.0)
    F12=2.09  F25=1.10  F60=0.40L F100=9.12L
    VAR=89 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 184733.5 -240722 (2000.0) IRAS18445-2410 2.137 1.102 0.400L 8.717L 89%
= 184733.5 -240722 (2000.0) SSC18445-2410 2.137 1.102 0.400L 8.717L

=? 184730.0 -240740 (2000.0) NSV11337 ? 13.8 (15.5 P - - - -

  HadV81  M:  11.8-(14.0p

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
HadV81         19960907.544  <133p  Had.VSOLJ
HadV81         19970317.824  <138p  Had.VSOLJ
HadV81         19970517.734  <140p  Had.VSOLJ
HadV81         19970612.697  <133p  Had.VSOLJ
HadV81         19970629.644  <129p  Had.VSOLJ
HadV81         19980425.731  <133p  Had.VSOLJ
HadV81         19980522.724  <138p  Had.VSOLJ
HadV81         19980629.656  <138p  Had.VSOLJ
HadV81         19981108.399  <133p  Had.VSOLJ
HadV81         19990323.788  <133p  Had.VSOLJ
HadV81         20000226.817  131p  Had.VSOLJ
HadV81         20000226.852  129p  Had.VSOLJ
HadV81         20000305.817  <133p  Had.VSOLJ
HadV81         20000413.784  <129p  Had.VSOLJ
HadV81         20000428.748  133p  Had.VSOLJ
HadV81         20000604.661  129p  Had.VSOLJ
HadV81         20000702.651  <133p  Had.VSOLJ
HadV81         20000708.626  133p  Had.VSOLJ
HadV81         20000802.554  <138p  Had.VSOLJ
HadV81         20000822.534  <133p  Had.VSOLJ
HadV81         20000917.494  <133p  Had.VSOLJ
HadV81         20010319.795  118p  Had.VSOLJ
HadV81         20010326.794  125p  Had.VSOLJ
HadV81         20010331.803  125p  Had.VSOLJ

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

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