New suspect variable star in Vul ?

 

2 MASS 19525099+2226385

 

 

 

  

Mag. ~15.5C   Image: H.G.Lindberg

 

 

 

image added to Cartes du Ciel

2007-11-19 UT 16.20              Image: H.G.Lindberg

 

10” Schmidt-Newton f4.0, HX-516 Camera no filter

Exp 22*10sec

(In moon shine and a bit fog)

 

Animation:H.G.Lindberg

 

 

(The strong star in center is NS Vul with a gas-shell)

***

1951-2007

 

               

   1951                                    1988                                        1990                                     1991               

 

      

1992                                       1994                                 1996                              2007 

 

All images from DSS plate finder, exept the last to the right.

 

Image info:

 

1951  POSS-I O xx103aO
(POSS-I O)

 

1988 POSS-II Blue  IIIaJ + GG385
(POSS-II J)

 

1990 POSS-II Blue IIIaJ + GG385
(POSS-II J)

 

1991 POSS-II Red IIIaF + RG610
(POSS-II F)

 

1992                 POSS-II N IVN + RG9
(POSS-II IR)

 

 

1994  POSS-II N IVN + RG9
(POSS-II IR)

 

1996 POSS-II Red  IIIaF + RG610
(POSS-II F)

 

2007 no filter ,HX.516 B/W Camera

254 mm f 4.0 Schmidt-Newton

 

 

 

Pos. And info:

 

RA 19 52 51.00   DEC +22 26 38.7 J2000.0

 

2MASS object

RA: 19h52m50.99s

Declination: +22 26' 38.5"

J mag 195250+/- 9+2226

H mag 5    8+/- 129  0

Ks mag 21   7+/- 047  0

 

quality flags: 033

rd flags: 6.

bl flags: 9

cc flags: 018

 

USNO B1.0 star

B1.0 ID: 1124-0493250

RA: 19h52m51.00s +/- 41 milliarcseconds

declination: +22 26' 38.7" +/- 0 milliarcseconds

Epoch: 1980.2

Proper motion in RA:  0 +/-       1 milliarcseconds/year

Proper motion in dec: -6 +/-       0 milliarcseconds/year

muPM: 9

fitRA: 0

fitDec: 0

nDet: 3

Flags: ...

Photometry:

!Band mag   Cal Survey  Emulsi field  S/G   xi    eta

R1: 17.03   1  POSS-I  103a-E 395     8   -0.01   -0.01

R2: 14.18   1  POSS-II IIIa-F 526    11   -0.04   -0.01

I:  11.20   0  POSS-II IV-N   526          0.03    0.00

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