[BO98] Helix 378-801 , the SIMBAD biblio

[BO98] Helix 378-801 , the SIMBAD biblio (17 results) C.D.S. - SIMBAD4 rel 1.8 - 2026.10.18CEST15:32:56

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Bibcode/DOI Score in Title|Abstract|
Keywords 		in a table in teXt, Caption, ... Nb occurence Nb objects in ref Citations
(from ADS) 		Title First 3 Authors
1992ApJ...401L..43H 2 6 63 CO in the cometary globules of the Helix Nebula. HUGGINS P.J., BACHILLER R., COX P., et al.
1998ApJ...503..792B 8 18 The structure of cometary knots in the Helix Nebula. BURKERT A. and O'DELL C.R.
1998MNRAS.294..201M 5 5 83 The nature of the cometary knots in the Helix planetary nebula (NGC 7293). MEABURN J., CLAYTON C.A., BRYCE M., et al.
2000AJ....119.2311O 11 25 On the nature of linear structures in the Helix and Orion Nebulae. O'DELL C.R.
2000AJ....119.2910O 13 19 The surprising emission distribution within the Helix Nebula cometary knots. O'DELL C.R., HENNEY W.J. and BURKERT A.
2001ApJ...548..288L 24 32 Photoevaporating flows from the cometary knots in the Helix Nebula (NGC 7293). LOPEZ-MARTIN L., RAGA A.C., MELLEMA G., et al.
2002AJ....123.3329O 1 32 98 Knots in nearby planetary nebulae. O'DELL C.R., BALICK B., HAJIAN A.R., et al.
2002ApJ...573L..55H 10 2 62 High-resolution CO and H2 molecular line imaging of a cometary globule in the Helix nebula. HUGGINS P.J., FORVEILLE T., BACHILLER R., et al.
2004AJ....128.2339O 2 6 42 Unraveling the Helix nebula: its structure and knots. O'DELL C.R., McCULLOUGH P.R. and MEIXNER M.
2005AJ....130..172O 2 4 24 A multi-instrument study of the Helix nebula knots with the Hubble Space Telescope. O'DELL C.R., HENNEY W.J. and FERLAND G.J.
2006ApJ...652..426H 1 13 39 Infrared observations of the Helix planetary nebula. HORA J.L., LATTER W.B., SMITH H.A., et al.
2007AJ....133.2343O 3 2 22 Determination of the physical conditions of the knots in the Helix Nebula from optical and infrared observations. O'DELL C.R., HENNEY W.J. and FERLAND G.J.
2011MNRAS.416..790A 15       D               1 5 8 Modelling the warm H2 infrared emission of the helix nebula cometary knots. ALEMAN I., ZIJLSTRA A.A., MATSUURA M., et al.
2020MNRAS.491..758A 1852 T   A D     X C       44 6 ~ CO in the
C1 globule of the Helix nebula with ALMA. 		ANDRIANTSARALAZA M., ZIJLSTRA A. and AVISON A.
2022PASP..134b2001K 43           X         1 138 25 Planetary nebulae: sources of enlightenment. KWITTER K.B. and HENRY R.B.C.
2022A&A...659A.197B 43           X         1 17 5 Sampling molecular gas in the Helix planetary nebula: Variation in HNC/HCN with UV flux. BUBLITZ J., KASTNER J.H., HILY-BLANT P., et al.
2025A&A...704A..59M 93           X         2 20 ~ Low-ionization structures in planetary nebulae IV. The molecular hydrogen counterpart. MARI M.B., AKRAS S. and GONCALVES D.R.

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