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[vsnet-newvar 1236] Suspected variable AFASV_M31_271 (AFA images)


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

AFASV_M31_271

AFASV_M31_271 amplitude=0.37  
mag     R. A.  (2000)  Decl.    image                    
11.96 0 42 10.530 + 41 26 20.70 ugm
12.33 0 42 10.870 + 41 26 27.89 so1

NOTE: uncertain ids

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:

GSC:
dif: 0.1337 
RA: 00 42 10.86 
Decl: +41 26 28.2 
GSCid: 0280502177 
mag: 12.52+/-0.43 

The AC2000 Catalogue (Urban+ 1997):
dif: 0.1332 
RA: 00 42 10.839 
Decl: +41 26 28.30 
Bmag: 11.87 
epoch: 1893.836     
AC2000id: 1409493 

USNO A2.0:
dif: 0.1360 
RA: 00 42 10.865 
Decl: +41 26 28.35 
USNOid: 1275-00423654 
Bmag: 14.6 
Rmag: 13.6 
epoch: 1953.773 

The FON Astrographic Catalogue (FONAC) (Kislyuk+ 1999):
dif: 0.1364 
RA: 00 42 10.84 
Decl: +41 26 28.5 
Bmag: 12.87 

Brightest stars in the field of M31 (Berkhuijsen+ 1988):
dif: 0.1417 
RA: 00 42 11.14 
Decl: +41 26 26.3 41 
seq: 567 
Vmag: 12.51+/-0.28 

BVRI CCD photometry in the field of M 31 (Magnier+ 1992) (correct ids?):
dif: 0.4085 
RA: 00 42 09.66 
Decl: +41 25 58.6 
seq: 300228 
Bmag: 14.018   
Vmag: 13.664+/-0.004 

2MASS:
dif: 0.1347 
RA: 00 42 10.86 
Decl: +41 26 28.3 
Jmag: 11.795+/-0.032 
Hmag: 11.581+/-0.032 
Kmag: 11.533+/-0.029 

NOTE:
OB association vdB63 (OB associations in M31 
(Hill+ 1995)) not far:
dif: 0.573 
RA: 00 42 12.9 
Decl: +41 25 59 63 

Also from Ionized nebulae in M31 (Walterbos+ 1992):
dif: 0.3872 
RA: 00 42 12.58 
Decl: +41 26 16.6 17 
ID: 17

Objective-prism survey of em. objects in M31 (Meyssonnier+ 1993): 
dif: 0.400 
00 42 12.7 
+41 26 18 464
name: WB17  
nature: WR  

Object or suspected is marked as double in New double 
stars from HST (Schneider+, 1998) 

Best regards,
Maciej Reszelski

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