2003A&A...411..477K


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.21CEST16:15:45

2003A&A...411..477K - Astronomy and Astrophysics, volume 411, 477-480 (2003/12-1)

Planetary nebula K1-9.

KONDRATYEVA L.N. and DENISYUK E.K.

Abstract (from CDS):

The object K1-9 with strong [NII] emission lines was included in the Perek and Kohoutek Catalogue of Planetary Nebulae, but later it was considered to be an HII region. Our results show that in addition to the low-excitation emissions there are HeII and [OIII] emission lines in its spectrum, and the effective temperature of the central star is more than 54000K. Thus we conclude that K1-9 is indeed a planetary nebula. Distribution of [OIII] and [NII] emission lines reflect a ring-like structure with a clear minimum in the centre of the nebula. Hydrogen lines almost fail to show the central gap. K1-9 has the backward proper motion with systemic velocity RV=60.2km/s. The central hydrogen component moves relative to the nebula with a pecular velocity of about -50km/s.

Abstract Copyright:

Journal keyword(s): planetary nebulae: general - planetary nebulae: individual: K1-9

Simbad objects: 19

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Number of rows : 19

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 PN Hu 1-1 PN 00 28 15.435 +55 57 54.48           ~ 156 1
2 IC 351 PN 03 47 32.9811922252 +35 02 48.633107981   13.11 12.27 14.35   Of(H) 249 0
3 NGC 2022 PN 05 42 06.1905641397 +09 05 10.584345578   14.9 14.2     [WC] 344 0
4 PN M 1-5 PN 05 46 50.0109398369 +24 22 02.818353956           ~ 112 1
5 PN K 1-9 PN 07 07 15.6054185887 -05 10 07.478706985   16.8 19.1 14.2   ~ 29 1
6 PN M 1-11 PN 07 11 16.6940677796 -19 51 02.897395901     13.5     WC10-11 136 0
7 PN M 1-12 PN 07 19 21.4686621026 -21 43 55.406123858     14.08     WC10-11 109 0
8 PN M 1-14 PN 07 27 56.5102638256 -20 13 22.651795279           O(H)7-9 96 0
9 PN M 1-16 PN 07 37 18.902 -09 38 47.96   12.7       ~ 173 0
10 PN M 1-17 PN 07 40 22.198 -11 32 29.92           ~ 97 0
11 PN Sn 1 PN 16 21 04.3991393878 -00 16 10.679547644           ~ 90 0
12 PN PC 12 PN 16 43 53.7838465697 -18 57 11.948594827           O 78 0
13 PN Cn 3-1 PN 18 17 34.1015205519 +10 09 03.306489008   12.93 12.49 12.35   07Ib(f) 206 0
14 PN M 1-61 PN 18 45 55.12 -14 27 37.9           ~ 98 0
15 PN M 3-35 PN 20 21 03.77 +32 29 24.0   15.56 15.30     ~ 89 0
16 NGC 7027 PN 21 07 01.8 +42 14 10   9.1 10.9     ~ 2301 1
17 PN K 3-61 PN 21 30 00.7568306607 +54 27 27.196178986   15.9 14.8     [WC4/6] 69 0
18 PN G097.6-02.4 PN 21 57 41.7842151017 +51 41 39.292080499           ~ 67 0
19 NGC 7662 PN 23 25 53.6 +42 32 06   9.4 12     ~ 906 0

    Equat.    Gal    SGal    Ecl

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2019.10.21-16:15:45

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