Return to Home Page
This agrees with the value in my BVRI field photometry file: http://ftp.nofs.navy.mil/pub/outgoing/aah/sequence/nsct03.dat where, also using UCAC2, I get: 18:49:37.602 -9:33:50.76 J2000 within my normal quoted errors (also 100mas) of the position Yamaoka gives. Arne Henden Hitoshi YAMAOKA wrote: > Subject: Possible Nova in Scutum: precise astrometry > > Precise astrometry of possible nova in Scutum has been done with CCD > images taken by B. Monard (Aug. 30.7 UT) and D. Rodriguez (Aug. 31.0 > UT), with respect to the UCAC-2 reference frame (~100 stars, mean > residual ~ 0".1): > > R.A. = 18:49:37.600 > Decl. = -9:33:50.85 (J2000.0). > > No source can be seen within 2" of this position on the DSS 2 red > image (Epoch = 1984.642) and the 2MASS public images (Epoch = > 1999.690). > > This measurement slightly differs from previously reported values: > > 18:49:37.62, -9:33:50.3 (S. Wakuda, IAUC 8190) > 18:49:37.59, -9:33:50.3 (O. Trondal, vsnet-discovery-nova 239), > 18:49:37.65, -9:33:50.1 (A. Oksanen, vsnet-campaign-nova 1390, > USNO-A2.0 frame with 0".5 RMS error). >
Return to the Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
