NNo GCVS J2000.0 Type Max Min I Min II Epoch Year Period M-m/D Spectrum References Other desig. p.m.(as/yr) Epoch Ident. New type GCVS
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790010 |RR Tel *|200418.54 -554333.2 |NC | 6.5 | 16.5 | |p | |1944 | | |pec |N0031 72118| |+0.009 -0.002|2000.0 | |Tyc2 |NSym |RR Tel |
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_______________Cross-identifications:_______________
RR Tel = AN 1908.0166 |
RR Tel = GSC 08780.01277 |
RR Tel = HV 03181 |
RR Tel = He 3-1811 |
RR Tel = IRAS 20003-5552 |
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Reference to a chart or photograph:72118. Duerbeck, H.W., 1987, Space Sci Rev, 45, Nos. 1-2, 1 {1987SSRv...45....1D}
Reference to a study of the star:
N0031. A. Bianchini, AJ 99, No. 6, 1941, 1990 {1990AJ.....99.1941B}
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Remark:
A symbiotic Nova. In 1889 - 1930, 12m - 14m pg (according to
[00625], irregular variations; according to [00017],
Max = 2411490 + 384d*E, with irregularities). In 1930 - 1944,
12.5m - 16.5m pg, Max = 2430145 + 386.73d*E [01649]. An outburst
from 14m to 7m in October, 1944. On JD2441426 - 2444899,
5.06m - 6.74m J, P = 387d [09989]. The data in [N0002] reveal
current $V$-band variations with a small amplitude and nearly
the same period [00001]. A period of 11.38 years, presumably the
orbital one, was reported in [N0031]. The spectrum in the Max of
the outburst was F5 without emissions, then a rich emission
spectrum was formed. Since the 1970s, TiO absorption bands are
being noted. Radio source, soft X-ray source.
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