[vsnet-obs 41621] V4743 Sgr: Observations (GRL) and comparison stars.

["Bjorn H. Granslo" <b.h.granslo@astro.uio.no>]

Norwegian Astronomical Society - Variable Star Section

Variable Star Observations for 2002 September 24-29 (J.D. 2452542-2547)

Visual Observations of V4743 Sagittarii (Nova Sgr 2002 #3)

Variable    YYYYMMDD.DDD   Magn   Obs  Instrument  Mag.ref.  Notes
SGRV4743    20020924.781    6.8   GRL  B12x50      TYC2-VT   (1)
SGRV4743    20020926.790    7.1   GRL  L90;30x     TYC2-VT   (2)
SGRV4743    20020929.784    7.8   GRL  L70;48x     TYC2-VT   (3)

Remarks (observations are Pogson step esimates with 1 step = 0.1 mag.):
(1) Estimate: C-7; D-2; E+4 (class 2). Location: Fjellhamar, Norway.
(2) Estimate: D-5; E+1 (1). Location: Kjeller, Lillestrom, Norway.
(3) Estimate: E-6; G+3 (2). Alt. 8 deg. Location: Blindern, Oslo, Norway.

Instruments: 90-mm refractor (L90), 70-mm refr. (L70), 12x50 binoculars.

Observer's code: GRL = Bjorn H. Granslo.
---
Comparison stars for V4743 Sgr (with VT-mags. from Tycho-2 catalogue):

Id.   R.A. (2000.0) Decl.    VT-mag   Star Name   Notes
      h  m   s     o  '  "
 A   18 57 20.5  -20 39 23    5.07    HD 175687   Xi1 Sgr
 B   18 56 00.7  -23 10 26    5.90    HD 175360
 C   18 58 24.8  -22 31 46    6.15    HD 175892
 D   18 52 08.4  -21 55 18    6.60    HD 174596
 E   19 04 20.3  -21 31 54    7.20    HD 177166   Comb. mag. of double
 F   18 54 07.8  -22 34 13    7.64    HD 174973
 G   18 59 36.0  -21 49 42    8.12    HD 176126   Red star (B-V = +1.37)
 H   19 01 59.5  -22 05 36    8.78    HD 176610
 K   19 01 17.6  -22 07 03    9.39    HD 176472   40" from star P
 L   19 01 40.3  -22 11 56    9.93    HD 176551
 M   19 01 37.8  -22 07 35   10.27    HD 176536
 P   19 01 15.1  -22 07 23   10.93    6294-1542   40" from star K
 V   19 01 09.4  -22 00 06   (Var)    V4743 Sgr   Nova Sgr 2002 No. 3

                                Yours sincerely,
                                Bjorn H. Granslo

VSNET Home Page

Return to Daisaku Nogami

---

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