¡´ Publication ¡µ

A. publication summary (from recent)

B. Science Journals

International Refereed (SCI) journals

2000

1) H.W. Lee, S. Hyung. Broad H alpha Wing formation in the Planetary Nebula IC 4997, 2000, ApJL (Feb)

2) F. P. Keenan, C. A. Ramsbottom, . H. Aller, K. L. Bell, F. L. Crawford, S. Hyung, Nebular and auroral emission lines of [Cl~III] in the optical spectra of planetary nebulae, 2000, Proc. Natioanl Academy of Sci, USA, 97, 4551 (impact factor 9.8)

3) S. Hyung, L.H. Aller, W.A. Feibelman, A. de Koter, The Optical Spectrum of the Planetary Nebula NGC 6543, 2000, MNRAS, in press

4) S.J. Kim, Y.C. Minh, S. Hyung, Y.H. Kim, High Resolution Optical and Infrared Observations of Molecules in Commets, 2000, PASP, in press

1999

1) S. Hyung, L. H. Aller, W. A. Feibelman, Chemical Abundances of the Planetary Nebula IC 4634, 1999, Astrophysical Journal, 525, 294

2) S. Hyung, L. H. Aller, W. A. Feibelman, Spectroscopic Observations of the Planetary nebula NGC 6818, 1999, Astrophysical Journal, 514, 878.

3) Keenan, F. P. Keenan, L. H. Aller, K. L. Bell, F. L. Crawford, W.A. Feibelman, S. Hyung, F. L. McKenna, and B. W. McLaughlin, Emission Lines of [OII] in the Optical and Ultraviolet Spectra of Planetary nebulae, 1999, Monthly Notice of Royal Astronomical Society.

4) L. H. Aller, S. Hyung, W. A. Feibelman, A remarkable High Excitation Planetary Nebula NGC 6537, 1999, Proc. of National Academy of Science, USA 96, 5366 (impact factor 9.8)

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1998

1) F.P. Keenan, L.H. Aller, K.L. Bell, B.R. Espey, W.A. Feibelman, S. Hyung, F.C. McKenna, C.A. Ramsbottom, Forbidden emission lines of Ne~IV in the optical and ultraviolet spectra of gaseous nebulae, 1998, Monthly Notice of Royal Astronomical Soc., 295, 683 (1998).

2) S. Hyung, and L.H. Aller, The Optical Spectrum of the Planetary Nebula NGC 2440, 1998, Pub. Astron. Soc. of Pacific, 110, 466 (1998).

1997

1) S. Hyung, L.H. Aller, and W.A. Feibelman, The spectrum of the Planetary nebula NGC 6884, 1997, Astrophysical J. Suppl., 108, 503 (1997).

2) F.C. McKenna, F.P. Keenan, L.H. Aller, S. Hyung, W.A. Feibelman, K.A. Berrington, J. Fleming, A. Hibbert, [O~V] in the UV spectra of Gaseous nebula, 1997, Astrophysical J., 486, 571 (1997).

3) S. Hyung, and L.H. Aller, The High Excitation Planetary Nebula, NGC 6741, 1997, Monthly Notice of Royal Astronomical Soc., 292, 71 (1997).

4) F.P. Keenan, F.C. McKenna, K.L. Bell, C.A. Ramsbottom, A.W. Wickstead, L.H. Aller, S. Hyung, A. Hibbert, Nebular and Auroral Emission Lines of [Ar~IV] in The Optical Spectra of Planetary Nebulae, 1997, Astrophysical J., 487, 457 (1997).

5) S. Hyung, and L.H. Aller, The High Excitation Planetary Nebula, NGC 7662, 1997, Astrophysical J., 491, 242 (1997).

1996

1) S. Hyung, and L.H. Aller, The Optical Spectrum of the Planetary nebula Hubble 12, 1996, Monthly Notice of Royal Astronomical Soc., 278, 551 (1996).

2) W.A. Feibelman, S. Hyung, and L.H. Aller, The Spectrum of IC~351, 1996, Monthly Notice of Royal Astronomical Soc., 278, 625 (1996).

3) L.H. Aller, S. Hyung, W.A. Feibelman, The spectrum of the Planetary nebula NGC 6790, 1996, Pub. Astron. Soc. of Pacific, 108, 488 (1996).

4) F.P. Keenan, L.H. Aller, K.L. Bell, S. Hyung, F.C. McKenna, C.A. Ramsbottom, Auroral and nebular emission lines of [S~II] in the optical spectra of planetary nebulae, 1996, Monthly Notice of Royal Astronomical Soc., 281, 1073 (1996).

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1995

1) S. Hyung and L.H. Aller ``The Optical Spectrum of NGC 7009, on the Major Axis, I'' 1995, M.N.R.A.S, 273, 958.

2) S. Hyung and L.H. Aller, The Optical Spectrum of NGC 7009, on the Minor Axis, II, 1995, M.N.R.A.S, 273, 973.

3) F.P. Keenan, L.H. Aller, S. Hyung, and P.J.F. Brown, Forbidden Lines of OI in the High Resolution Optical Spectra of Planetary Nebulae, 1995, Pub. A.S.P., 107, 148.

4) L.H. Aller and S. Hyung, The Optical Spectrum of BD+30$^{\circ}$3639}, 1995, M.N.R.A.S, 276, 1101.

1994

1) S. Hyung Density Contrast Shell Models for the Planetary Nebula IC 2165 1994, Ap. J. Suppl., 90, 119.

2) S. Hyung, L.H. Aller, and W. Feibelman, Spectrum of the Variable Planetary

Nebula IC 4997, 1994, Ap. J. Suppl., 93, 465.

3) W. Feibelman, S. Hyung, and L.H. Aller Spectrum of IC 2149 and its Central Star 1994 Ap.J., 426, 653.

4) S. Hyung, L.H. Aller, and W. Feibelman, The Spectrum of the Planetary Nebula NGC 6572, 1994, M.N.R.A.S, 269, 975.

5) S. Hyung, L.H. Aller, and W. Feibelman, The Spectrum of the Planetary Nebula IC 418, 1994, Pub.A.S.P., 106, 745.

6) S. Hyung, C.D. Keyes, and L.H. Aller, The Spectrum of the Planetary Nebula NGC 6886, 1994, M.N.R.A.S, 272, 49.

1993

1) S. Hyung, and L.H., Aller, Interpretation of Two Compact Planetary Nebulae, IC 4997 and NGC 6572 with aid of Theoretical Models, 1993, Proc. Natl. Acad. Sci., USA, 90, 413. (impact factor 9.8)

2) F.P. Keenan, L.H. Aller, S. Hyung, E.S. Conlon, and G.A. Warren, Fe III Emission Lines in the Optical Spectrum of the Planetary Nebula IC 4997, 1993, Ap. J., 410, 430.

3) S. Hyung, L.H. Aller, and W. Feibelman, The Spectrum of the Planetary Nebula, NGC 6567, 1993, Pub.A.S.P., 105, 1279.

1992

W.A. Feibelman, L.H. Aller, and S. Hyung, Variability of Emission Lines in the Planetary Nebulae 1992, Pub.A.S.P., 104, 339.

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Korean Astronomical Society Journals

1) A Bipolar Planetary Nebula NGC 6537: Photoionzation or Shock Heating?, S. Hyung, 1999, Journal of The Korean Astronomical Society, 32, 53

2) ±è°­¹Î, ¼Õµ¿ÈÆ, S. Hyung, À±Å¼®, `Determination of Atomospheric Extinction Coefficient at Bohyunsan Optical Astronomy Observatory', 1997/12, õ¹®ÇгíÃÑ, 12, 167

3) ¼Õµ¿ÈÆ, ±è»óÁØ, ±èÁÖÇö, ±è°­¹Î, ¼º¾ðâ, S. Hyung, `CN, C2 Production Rates of Comet Hale-Bopp(C/1995 O1)', 1997/12, õ¹®ÇгíÃÑ, 12, 167.

C. AAS, Proceedings

1) F.C. McKenna, F.P. Keenan, L.H. Aller, S. Hyung, K.L. Bell, and C.A. Ramsbottom, {Auroral and nebular emission lines of [S II] in the optical spectra of planetary nebulae}, 1997, IAU Symposium No. 180, Planetary Nebulae, (Groningen, The Netherlands), 258.

2) F.C. McKenna, F.P. Keenan, L.H. Aller, S. Hyung, W.A. Feibelman, K.A. Berrington, and J. Fleming, {A tentative identification of the O V forbidden line in the UV spectrum of gaseous nebulae} 1997, IAU Symposium No. 180, Planetary Nebulae, (Groningen, The Netherlands), 259.

3) S. . Hyung, and L.H. Aller, {High dispersion spectra of planetary nebulae} 1997, IAU Symposium No. 180, Planetary Nebulae, (Groningen, The Netherlands), 242.

4) S. Hyung, L.H. Aller, and W. Feibelman {Spectrum of the Variable Planetary Nebula IC 4997} [PK58-10^o1] 1993, B.A.A.S. (AAS 181), Vol. 24, No. 4, 1180 (Abstract).

5) L.H. Aller, S. Hyung, and W. Feibelman {Spectrum of the Planetary Nebula, NGC 6567} 1993, B.A.A.S. (AAS 182), Vol. 25, No. 2, 784 (Abstract).

6) S. Hyung., L.H. Aller, and W.A. Feibelman {Variable Spectra of IC 4997 and NGC 6572} 1993, IAU Symposium No. 155, {Planetary Nebulae}, 488.

7) S. Hyung, and L.H. Aller { High Dispersion Spectra of Bright Planetary Nebulae} 1993, IAU Symposium No. {155}, {Planetary Nebulae}, 193.

8) S. Hyung and L.H. Aller (Density Contrast Model for Planetary Nebula), 1990 B.A.A.S. B.A.A.S.}, Vol. 22, No. 4, 1250.

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D. Korea Astronomy Society

-S. Hyung, ÀÌ¿ì¹é, À̼ºÀç, N. Mastrodemos, M. Morris, 1999, Planetary Nebula Evolution from a Detached Binary System

-ÃÖ¿µÁØ, S. Hyung, ÇÑ¿ø¿ë, ÀÌ¿ì¹é, L.H. Aller, 1999, Chemical Abundance of PN based one Recombination Lines

- ±è¿©Á¤, S. Hyung, L.H. Aller, 1999, IUE Spectrum of the Algol type Symbiotic Star CI Cyg.

- S. Hyung., Aller, L.H., Feibelman, W.A, 1999, "The Planetary Nebula IC 4634 and its Central Star

- S. Hyung and Lawrence H. Aller (Unveiling Geometrical and Chemical Structures of Elliptical Planetary Nebulae) Bulletin of Korean Astronomical Society, 23, 43

- K. M. Kim, D. H. Son, and S. Hyung, `Determination of Atomospheric

Extinction Coefficient at Bohyunsan Optical Astronomy Observatory', 1997 (April), Korean Astronomy Society (abstract).

- S. Hyung, ±è°­¹Î, `A High Resolution Spectrograph for the BOAO 1.8-m Telescope', 1997 (April), Bull. Kor. Sp. Sci Soc., 6(1) (Abstract).

- S. Hyung, K. M. Kim, and S. S. Vogt), `BOAO fiber-fed High Resolution Spectrograph', 1997 (October) Korea Astronomical Society (Abstract).

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E. Korea Space Science Society

- À̼ºÀç, ·ùµ¿¼ö, S. Hyung, ±èÇõ, ±è°­¹Î, ±è¼º¼ö 1999 "The Faint Halo of the Planetary Nebula NGC 6543

- ±èÇõ, Çü½Ä, ±è¿©Á¤, ±è°­¹Î, 1999, "The HST/WFPC2 [O III] Images of the Planetary Nebula NGC 6543 and its implication on the electron temperatures"

- S. Hyung {Planetary Nebula Observations with Ground-based and Space Telescopes}, 1996, KSSS invited talk {Bull. Kor. Sci. Soc.,} 6(1), May (abstract).

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