[vsnet-obs 31691] CCD observations of NV Per by Toa

[Taichi Kato <tkato>]

CCD observations of NV Per by Toa

   Mira-star rising.

CCD magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
PERNV          20001106.654  145C  Toa.VSOLJ
PERNV          20001206.560  138C  Toa.VSOLJ
PERNV          20001214.527  129C  Toa.VSOLJ
PERNV          20010105.623  123C  Toa.VSOLJ

  instruments:f200mm F4 Telephotolens+ST-8,unfiltered

Observer's code:
  Toa: Akira Takao (Kitakyushu-City,Fukuoka-Pref.)

Correct ID of NV Per:

USNO1200.02181112 041939.608 +350431.94 (2000.0) 12.8 16.4
2MASS 041939.571 +350432.37 (2000.0)  6.496  0.000  4.945
IRAS04163+3457 041622.3 +345718 (1950.0)
    F12=1.00  F25=0.48L F60=0.40L F100=2.09L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or II: variable star with 'young' O-rich 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
041937.3 +350428 (2000.0) FSC04163+3457 1.018 0.284 0.225L 2.124L
041938.2 +350429 (2000.0) IRAS04163+3457 1.014 0.479L 0.400L 2.059L -1%
041938.2 +350429 (2000.0) SSC04163+3457 1.014 0.479L 0.400L 2.059L
041939.6 +350431 (2000.0) PERNV * M 14 <16.5 P - 320 - R0/AN288R

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