1998A&A...335..277K


Query : 1998A&A...335..277K

1998A&A...335..277K - Astronomy and Astrophysics, volume 335, 277-280 (1998/7-1)

HST photometry of the stars near the center of PN NGC 650.

KOORNNEEF J. and POTTASCH S.R.

Abstract (from CDS):

Colours and magnitudes of the central star of NGC 650 and its two companions have been obtained from HST images. The spectral types of the companions, which have been deduced from the colours, suggest a probable distance to the companions of between 5 and 6kpc. Using the spectral and photometric characteristics of the central star, which are very similar to the very well studied PN PG 1159, we show that its distance is probably close to 1.2kpc. Thus it appears unlikely that the central star is physically related to the two visible companions.

Abstract Copyright:

Journal keyword(s): planetary nebulae: individual: NGC 650

Nomenclature: Table 1: [KP98] N (Nos 1-3)

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 - 2022
#notes
1 M 76 PN 01 42 19.6557728208 +51 34 31.534970052     17.48   17.69 DOZ 366 2
2 NGC 1360 PN 03 33 14.6468527944 -25 52 17.977647900   10.95 11.16     sdO 274 0
3 PN A66 21 PN 07 29 02.7096654192 +13 14 48.587555184   15.67 15.99     DOZ 186 0
4 V* GW Vir WD* 12 01 45.9731868264 -03 45 40.628670300   14.87 15.04     DOQZ1 475 0
5 PG 1520+525 PN 15 21 46.5635130432 +52 22 03.867341340   15.56 16.6     PG1159 107 1
6 NGC 7293 PN 22 29 38.5454047152 -20 50 13.747242408 11.894 13.158 13.524 13.689 13.898 DAO.5 926 0
7 PN Jn 1 PN 23 35 53.3214838680 +30 28 06.336745212   15.52 15.62     DOZ 102 0

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2022.06.26-06:55:55

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