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[vsnet-newvar 1237] Suspected variable AFASV_M31_298 (AFA images)


Following suspected variable was found durning my scan
of Amateur FITS Archive:

AFASV_M31_298

AFASV_M31_298 amplitude=0.30         
mag     R. A.  (2000)  Decl.    image                   
9.25 0 42 30.967 + 40 57 13.92 so1
9.55 0 42 31.041 + 40 57 11.42 ugm

NOTE: Not a real variable?

images:
so1:  Mauro Facchini, Obsservatorio di Cavezzo, 
      0.20- m reflector f2.8, CCD Starlight HX516
      date: 26/06/00 time: 00:15:26 UT

ugm:  Mauro Facchini, Obsservatorio di Cavezzo, 
      0.13- m reflector f4, CCD Starlight HX516
      date: 06/09/00 time: 00:40:00 UT

IDS FROM VIZIER:

AGK3 (Dieckvoss, Heckmann 1975): 
dif: 0.1059 
RA: 00 42 30.43 
Decl: +40 57 15.3 + 40 58 0 
Pmag: 9.7 
Spec: G0 

NLTT Catalogue (Luyten, 1979):
dif: 0.17 
RA: 00 42 30 
Decl: +40 57.2 
name: +40:145  
Rmag: 8.9   
Ptg: 9.8  
Sptype: g-k  

PPM:
dif: 0.0118 
RA: 00 42 30.99 
Decl: +40 57 13.2 
PPMID: 43221 
DM: +40 0145  
Mag: 9.7 
sp: G0 

dif: 0.0204 
RA: 00 42 30.86 
Decl: +40 57 13.6 
TICID1: 2801 
TICID2: 2009 
Bmag: 9.90+/-0.10 

GSC:
dif: 0.0336 
RA: 00 42 30.79 
Decl: +40 57 14.2 
GSCID 0280102009
Mag: 9.22+/-0.44 

The Hipparcos and Tycho Catalogues (ESA 1997): 
dif: 0.0195 
RA: 00 42 30.992 
Decl: +40 57 13.46 
HIPID: 3333 
Vmag: 9.28 

The ACT Reference Catalog (Urban+ 1997): 
dif: 0.0086 
RA: 00 42 30.987 
Decl: +40 57 13.42 
BTmag: 10.204 
VTmag: 9.444 
TYCID: 280100200901 

IRAS source (IRAS Serendipitous Survey Catalog (IPAC 1986)):
IRAS 00397+4040 
dif: 0.156 
RA: 00 42 30.2 
Decl: +40 57 12 

MSX Infrared Astrometric Catalog (Egan+ 1996):  
dif: 0.0139 
RA: 00 42 31.00 
Decl: +40 57 13.1 
MSX5C A 6252 

SKY2000 - Master Star Catalog, Version 2 (Sande+ 1998):
dif: 0.0085 
RA: 00 42 30.99 
Decl: +40 57 13.5 
ID: J004230.99+405713.4   
Vmag: 9.370 
B-V: 0.676   
Sp: G0  

2MASS:
dif: 0.0101 
RA: 00 42 30.96 
Decl: +40 57 13.3 
Jmag: 8.087+/-0.034 
Hmag: 7.800+/-0.028 
Kmag: 7.743+/-0.030 

Best regards,
Maciej Reszelski

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