1987ApJ...322..922B


Query : 1987ApJ...322..922B

1987ApJ...322..922B - Astrophys. J., 322, 922-929 (1987/November-0)

The ionization structure of planetary nebulae. VII. New observations of the ring nebula.

BARKER T.

Abstract (from CDS):


Abstract Copyright: ∼

Journal keyword(s): Nebulae: Abundances - Nebulae: Individual Messier Number: M57 - Nebulae: Individual NGC Number: NGC 6720 - Nebulae: Planetary - Ultraviolet: Spectra

Simbad objects: 5

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Number of rows : 5
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 NGC 3242 PN 10 24 46.1335521792 -18 38 32.296857792   11.83 12.15     ~ 838 1
2 M 57 PN 18 53 35.0967659112 +33 01 44.883287544   15.405 15.769 15.901 16.062 DA(O?) 868 2
3 M 27 PN 19 59 36.3631850088 +22 43 16.312059552   13.749 14.089 14.247 14.405 DAO.6 605 0
4 NGC 7009 PN 21 04 10.8155187648 -11 21 48.580157556   12.48 12.07     ~ 1020 1
5 NGC 7662 PN 23 25 53.8318792825 +42 32 05.835828380       11.427   ~ 940 1

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