[vsnet-id-2mass 187] DF Cyg in 2MASS

[Taichi Kato <tkato>]

DF Cyg in 2MASS

  This RV Tau star is very red in 2MASS.

GSC3144.794 194853.96 +430214.2 (2000.0)  9.92 1
GSC3144.139 194854.00 +430214.5 (2000.0) 12.69 1
USNO1275.12552453 194853.953 +430214.24 (2000.0) 10.8 12.5
2MASS 194853.976 +430214.28 (2000.0)  0.000  0.000  0.000
IRAS19472+4254 194715.8 +425438 (1950.0)
    F12=1.58  F25=0.83  F60=0.40L F100=3.02L
    VAR=98 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
194854.0 +430213 (2000.0) IRAS19472+4254 1.542 0.849 0.400L 3.115L 98%
194854.0 +430213 (2000.0) SSC19472+4254 1.542 0.849 0.400L 3.115L
194854.2 +430217 (2000.0) UBV_DFCyg 10.35 1.02 0.74 - - - G5Iab: N=1 Nm=1 -
194853.9 +430214 (2000.0) 1076V
194853.8 +430215 (2000.0) 1144 0.72 TYC2-3144.794.1 (11.52 0.10) (12.37 0.16)
194853.9 +430214 (2000.0) CYGDF * RVB 10.8 15.2 P 42255 49.808 - G5-K4I-II R1/CYG1

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