[vsnet-newvar 1232] Suspected variable AFASV_M31_242 (AFA images)

["Maciej Reszelski" <macres@pro.onet.pl>]

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

AFASV_M31_242

AFASV_M31_242 amplitude=0.36         
mag     R. A.  (2000)  Decl.    image              
13.47 0 41 38.048 + 41 12 37.81 so1
13.11 0 41 38.358 + 41 12 35.73 ugm

NOTE Star very faint in Berkhuijsen and
USNO A2.0 (~17 mag).

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: 0.0191 
RA: 00 41 37.99 
Decl: +41 12 38.7 
GSCid: 0280102067 
mag: 13.39+/-0.44 

USNO A2.0: dif: 0.0115 
RA: 00 41 38.052 
Decl: +41 12 38.49 
USNOid: 1275-00418403 
Bmag: 17.3 
Rmag: 16.2 
epoch: 1953.773 
NOTE: very faint!!!

Brightest stars in the field of M31 (Berkhuijsen+ 1988):  
dif: 0.2081 
RA: 00 41 37.77 
Decl: +41 12 25.7 
seq: 3469  
Vmag: 17.26+/-0.24 

BVRI CCD photometry in the field of M 31 (Magnier+ 1992):
dif: 0.0226 
RA: 00 41 37.95 
Decl: +41 12 38.5 
seq: 233343 
Bmag: 14.299+/-0.011 
Vmag: 13.444+/-0.017 

2MASS:
dif: 0.0212 
RA: 00 41 37.98 
Decl: +41 12 38.8 
Jmag: 11.790+/-0.036 
Hmag: 11.304+/-0.033 
Kmag: 11.238+/-0.034 

M 31 reference catalog (Shokin+ 1998):  
dif: 0.0143 
RA: 00 41 37.99 
Decl: +41 12 38.3 
Bmag: 14.50 

Probably ROSAT source:
2RXP J004136.4+411219 = RX J0041.6+4112 
dif: 0.439 
RA: 00 41 36.4 
Decl: +41 12 19     

NOTE: not far from IRAS point source (via IRAS Seredipitous
Survey Catalog, IPAC 1986):
IRAS 00388+4056  
dif: 1.047
RA: 00 41 32.5 
Decl: +41 12 45

also not far is (GCVS):
M31 V0645
dif: 0.6613 
RA: 00 41 35.54 
Decl: +41 12 10.1   
type: S:  
magmax: 22.00   

Best regards,
Maciej Reszelski

VSNET Home Page

Return to Daisaku Nogami

---

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