[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-newvar 658] New Takamizawa variable (TmzV767)

New Takamizawa variable (TmzV767)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV767).

TmzV767
= GSC6093.1282 114804.87 -163513.4 (2000.0) 11.18 0
= USNO0675.08299689 114804.880 -163513.90 (2000.0)  9.5 11.3
= 2MASS 114804.824 -163514.64 (2000.0)  0.000  0.000  0.000
= IRAS11455-1618 114532.4 -161834 (1950.0)
     F12=1.44  F25=0.48  F60=0.40L F100=1.00L
     VAR=19 LRS=-1
  possibly I: oxygen-rich non-variable star without circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
  or VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 114805.1 -163537 (2000.0) SD-15.3355 9.3
= 114804.7 -163514 (2000.0) FSC11455-1618 1.206 0.507 0.168L 0.642L
= 114804.9 -163514 (2000.0) IRAS11455-1618 1.454 0.481 0.400L 1.000L 19%
= 114804.9 -163514 (2000.0) SSC11455-1618 1.454 0.481 0.400L 1.000L
= 114804.8 -163513 (2000.0) 1009 1.43 TYC6093.1282.1 plx=2.7(31.8) (0.04 0.12)
= 114804.8 -163513 (2000.0) 1011 1.47 TYC2-6093.1282.1 (10.26 0.04) (12.00 0.11)
  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.3-11.2p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV767        19940310.551  107p  Tmz.VSOLJ
TmzV767        19941229.765  110p  Tmz.VSOLJ
TmzV767        19950226.624  107p  Tmz.VSOLJ
TmzV767        19951124.803  103p  Tmz.VSOLJ
TmzV767        19970212.710  106p  Tmz.VSOLJ
TmzV767        19970410.531  103p  Tmz.VSOLJ
TmzV767        19990112.763  108p  Tmz.VSOLJ
TmzV767        19990208.667  105p  Tmz.VSOLJ
TmzV767        19991207.845  112p  Tmz.VSOLJ
TmzV767        20000108.808  105p  Tmz.VSOLJ
TmzV767        20000131.687  107p  Tmz.VSOLJ
TmzV767        20000310.651  107p  Tmz.VSOLJ
TmzV767        20001204.812  110p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

VSNET Home Page

Return to Daisaku Nogami

vsnet-adm@kusastro.kyoto-u.ac.jp