2002RMxAC..12..167K


Query : 2002RMxAC..12..167K

2002RMxAC..12..167K - Rev. Mex. Astron. Astrofis. Serie de Conf., 12, 167-167 (2002)

Study of spectral variability of the planetary nebula IC 4997 over 25 years (1972-1996).

KOSTYAKOVA E.B.

Journal keyword(s):

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 IC 3568 PN 12 33 06.8549162136 +82 33 50.202643608   11.809 10.730 12.651   ~ 407 0
2 NGC 6543 PN 17 58 33.4039587288 +66 37 58.750734000   11.09 11.28     [WC] 1197 2
3 NGC 6572 PN 18 12 06.3181909152 +06 51 13.027935240   9.3 10.8     [WC] 761 0
4 PN Hu 2-1 PN 18 49 47.5610183328 +20 50 39.396894756   12.369 11.126 12.30   ~ 286 0
5 M 57 PN 18 53 35.0967659112 +33 01 44.883287544   15.405 15.769 15.901 16.062 DA(O?) 868 2
6 NGC 6891 PN 20 15 08.8435405584 +12 42 15.584146740   12.11 12.51     O3Ib(f*) 405 0
7 IC 4997 PN 20 20 08.7557973960 +16 43 53.698933380   11.94 11.15     [WC7/8] 555 0

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