Central Bureau for Astronomical Telegrams
IAUC 3027: N Sge 1977; 1976 WA
The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).
Read IAUC 3028
Circular No. 3027
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Cable Address: SATELLITES, NEWYORK Telex: 921428
Telephone: (617) 864-5758
NOVA SAGITTAE 1977
J. Mattei, American Association of Variable Star Observers,
communicates the following visual magnitude estimate by J. Morgan,
Prescott, Arizona: Jan. 12.09 UT, ~ 8.2.
1976 WA
E. Roemer, University of Arizona, provides the following precise
positions, obtained with the Steward Observatory's 229-cm reflector,
Kitt Peak. C. A. Heller assisted. Measurer: C. D. Vesely.
1976 UT R. A. (1950) Decl. Mag.
Dec. 27.15083 2 35 14.74 -23 11 53.2 ~18.6
27.17405 2 35 16.06 -23 11 20.8
The following improved orbital elements, by the undersigned,
are from 26 observations 1976 Nov. 19 to Dec. 27:
T = 1976 Aug. 31.930 ET
Peri. = 145.502 e = 0.65620
Node = 169.201 1950.0 a = 2.40700 AU
Incl. = 24.257 n = 0.263931
q = 0.82753 AU P = 3.73 years
1977 ET R. A. (1950) Decl. Delta r Mag.
Jan. 7 2 46.46 -19 09.3
17 2 57.61 -15 45.4 1.513 1.925 19.3
27 3 09.49 -12 39.1
Feb. 6 3 22.00 - 9 49.7 1.872 2.094 19.9
16 3 35.04 - 7 16.5
26 3 48.56 - 4 58.7 2.242 2.253 20.4
Mar. 8 4 02.44 - 2 55.6
18 4 16.63 - 1 06.6 2.611 2.404 20.8
28 4 31.05 + 0 29.0
Apr. 7 4 45.64 + 1 51.7 2.965 2.545 21.1
17 5 00.33 + 3 02.0
27 5 15.07 + 4 00.6 3.289 2.678 21.4
May 7 5 29.78 + 4 47.8
17 5 44.43 + 5 24.3 3.573 2.803 21.6
Mag. = 16.3 + 5 log Delta + 5 log r + 0.023 (phase angle)
1977 January 13 (3027) Brian G. Marsden
Read IAUC 3028
Our Web policy. Index to the CBAT/MPC/ICQ pages.
