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Publications 1998

[2009]   [2008]   [2007]   [2006]   [2005]   [2004]   [2003]   [2002]   [2001]   [2000]   [1999]   [1998]   [1997]   [1996]   [1995]   [1994]   [etc.]


Samat tiedot JULKIssa - these entries in JULKI


A1-A3. Tieteelliset erillisteokset - Scientific monographies

Kimmo K. Lehtinen: Studies of dust and starformation in globules. Dissertation. Report 1/1998, Observatory, University of Helsinki.

Piironen, Jukka: Photometry of asteroids at small phase angles with related laboratory measurements. Dissertation. Helsinki : University of Helsinki, 1998. Report 2/1998, Observatory, University of Helsinki.


A4-A5. Oppikirjat ja kansantajuiset teokset - Textbooks and popular books

Oja, Heikki: Avaruuden tähtitarha, 3. painos. Porvoo Helsinki Juva : WSOY, 1998


B1. Artikkelit tieteellisissä aikakauslehdissä joissa käytetään arviointijärjestelmää - Articles in refereed scientific journals

V. Burwitz, K. Reinsch, A.D. Schwope, P.J. Hakala, K. Beuermann, Th. Rousseau, H.-C. Thomas, B.T. Gänsicke, V. Piirola and O. Vilhu: A new ROSAT discovered polar near the lower period limit: RX J1015.5+0904 in Leonis. Astron. Astrophys. 331(1998): 262-270
[online version]

Durouchoux, Ph.; Hannikainen, Diana: Galactic radio-jet sources. (Proceedings of the Nordic symposium in theoretical high energy astrophysics : use of the Spectrum X-Gamma and INTEGRAL missions, Copenhagen, Denmark, September 14-16, 1997.) Physica scripta T77 (1998), 75.
[online version]

Durouchoux P., Vilhu O., Corbel S., Wallyn P., Dwarakanath K.S., Chapuis C., Huovelin J., Anantharamaiah K. R.., Grindlay J., Park Y.S., Bally J., Mahoney, W.: Multiwavelength observation of a new black hole candidate: EXS 1737.9-2952. Astrophys. J. 507 (1998): 781-793.
[online version]

Guido Garay, Ive Köhnenkamp, Tyler L. Bourke, L. F. Rodríguez, & Kimmo K. Lehtinen: Molecular abundance enhancements in the highly collimated bipolar outflow BHR 71. The Astrophysical Journal 509 (1998): 768-784.
[online version]

M. Haas, D. Lemke, M. Stickel, H. Hippelein, M. Kunkel, U. Herbstmeier, K. Mattila: Cold dust in the Andromeda Galaxy mapped by ISO. Astron. Astrophys. 338 (1998): L33-L36.
[online version]

Hakala P. J., Chaytor D. H., Vilhu O., Piirola V., Morris S. L., Muhli P. Optical and X-ray study of MS1603+2600. Astron. Astrophys. 333 (1998): 540-546.
[online version]

Hannikainen, Diana; Durouchoux, Ph.: Superluminal radio-jet X-ray sources: binary systems? (Proceedings of the Nordic symposium in theoretical high energy astrophysics : use of the Spectrum X-Gamma and INTEGRAL missions, Copenhagen, Denmark, September 14-16, 1997.) Physica scripta T77 (1998), 82-83.
[online version]

D.C. Hannikainen, R.W. Hunstead, D. Campbell-Wilson, and R.K. Sood: MOST radio monitoring of GX 339-4. Astron. Astrophys. 337 (1998): 460-464.
[online version]

J. Harju, K. Lehtinen, R. S. Booth, I. Zinchenko: A survey of SiO emission towards interstellar masers. I. SiO line characteristics. Astron. Astrophys. Suppl. Ser., 132 (1998): 211-231
[online version]

Herbstmeier, U.; Abraham, P.; Lemke, D.; Laureijs, R. J.; Klaas, U.; Mattila, K.; Leinert, C.; Surace, C.; Kunkel, M.: Small-scale structures in the far-infrared background. Astron. Astrophys., 332 (1998): 739-747.
[online version]

M. Juvela: Clumpy cloud models for CS and C34S spectra observed towards southern massive star forming cores. Astron. Astrophys. 329 (1998): 659-682.
[online version]

M. Juvela: Interstellar extinction and its relation to the three-dimensional cloud structure. Astron. Astrophys., 338 (1998): 723-728.
[online version]

C.-I. Lagerkvist, I. Belskaya, A. Erikson, V. Schevchenko, S. Mottola, V. Chiorny, P. Magnusson, A. Nathues, J. Piironen: Physical studies of asteroids: XXXIII. The spin rate of M-type asteroids. Astron. Astrophys. Suppl. Ser. 131 (1998): 55-62.
[online version]

Laitinen, H.; Lumme, K.: T-matrix method for general star-shaped particles: first results. Journal of Quantitative Spectroscopy and Radiative Transfer 60 (1998): 325-334.
[online version]

A.V. Lapinov, P. Schilke, M. Juvela, I.I. Zinchenko: Studies of dense cores in regions of massive star formation VI. Multitransitional CS and CO observations of G 261.64-2.09, G 268.42-0.85, G 270.26+0.83 and G 301.12-0.20. Astron. Astrophys. 336 (1998): 1007-1023.
[online version]

Ch. Leinert, S. Bowyer, L.K. Haikala, M.S. Hanner, M.G. Hauser, A.-Ch. Levasseur-Regourd, I. Mann, K. Mattila, W.T. Reach, W. Schlosser, H.J. Staude, G.N. Toller, J.L. Weiland, J.L. Weinberg, A.N. Witt: The 1997 reference of diffuse night sky brightness. Astron. Astrophys. Suppl. Ser., 127 (1998): 1-99
[online version]

K. Lehtinen, D. Lemke, K. Mattila, L.K. Haikala: Far-infrared ISOPHOT observations and the energy balance of a quiescent globule. Astron. Astrophys. 333 (1998): 702-708.
[online version]

D. Lemke, K. Mattila, K. Lehtinen, R.J. Laureijs, T. Liljeström, A. Léger and U. Herbstmeier: Detection of UIR bands in an isolated local interstellar cirrus cloud. Astron. Astrophys. 331 (1998): 742-748.
[online version]

Lumme, K.; Rahola, J.: Comparison of light scattering by stochastically rough spheres, best-fit spheroids and spheres. Journal of Quantitative Spectroscopy and Radiative Transfer 60 (1998): 439-450.
[online version]

Muhli, Panu; Vilhu, Osmi: Can a relativistic iron K line be resolved in Cyg X-1 with SIXA? (Proceedings of the Nordic symposium in theoretical high energy astrophysics : use of the Spectrum X-Gamma and INTEGRAL missions, Copenhagen, Denmark, September 14-16, 1997.) Physica scripta T77 (1998), 88-89.
[online version]

Muinonen, K., and Lagerros, J.: Inversion of shape statistics for small solar system bodies. Astron. Astrophys., 333 (1998): 753-761.
[online version]

Muinonen, K. (1998). Discovery and follow-up simulations for small Earth-crossing asteroids. Planetary and Space Science 46 (1998): 291-297.
[online version]

Muinonen, K. (1998). Introducing the Gaussian shape hypothesis for asteroids and comets. Astron. Astrophys. 332 (1998): 1087-1098.
[online version]

Nevalainen, Jukka; Vilhu, Osmi; Poutanen, J.; Gilfanov, M.; Vargas, M.: Two-phase spectrum of the black hole candidate 1E1740.7-2942. (Proceedings of the Nordic symposium in theoretical high energy astrophysics : use of the Spectrum X-Gamma and INTEGRAL missions, Copenhagen, Denmark, September 14-16, 1997.) Physica scripta T77 (1998), 86-87.
[online version]

Nevalainen, Jukka; Pedersen, K.: SIXA simulations of the hot cluster of galaxies A2163. (Proceedings of the Nordic symposium in theoretical high energy astrophysics : use of the Spectrum X-Gamma and INTEGRAL missions, Copenhagen, Denmark, September 14-16, 1997.) Physica scripta T77 (1998), 120-121.
[online version]

Nevalainen, J. and Roos, M.: Cepheid metallicity and Hubble constant. Astron. Astrophys. 339 (1998):7.
[online version] [astro-ph/9805136]

Padoan, P.; Juvela, M.; Bally, J.; Nordlund, Å.: Synthetic Molecular Clouds from Supersonic Magnetohydrodynamic and Non-LTE Radiative Transfer Calculations. Astrophysical Journal 504 (1998): 300-
[online version]

Pedersen, H.; Jaunsen, A. O.; Grav, T.; Ostensen, R.; Andersen, M. I.; Wold, M.; Kristen, H.; Broeils, A.; Naeslund, M.; Fransson, C.; Lacy, M.; Castro-Tirado, A. J.; Gorosabel, J.; Rodriguez Espinosa, J. M.; Perez, A. M.; Wolf, C.; Fockenbrock, R.; Hjorth, J.; Muhli, P.; Hakala, P.; Piro, L.; Feroci, M.; Costa, E.; Nicastro, L.; Palazzi, E.; Frontera, F.; Monaldi, L.; Heise, J.: Evidence for Diverse Optical Emission from Gamma-Ray Burst Sources. Astrophysical Journal 496, (1998): 311-.
[online version]

Piironen, J.; Lagerkvist, C. -I.; Erikson, A.; Oja, T.; Magnusson, P.; Festin, L.; Nathues, A.; Gaul, M.; Velichko, F.: Physical studies of asteroids. XXXII. Rotation periods and UBVRI-colours for selected asteroids. Astron. Astrophys. Suppl. Ser., 128 (1998): 525-540.
[online version]

Piironen, J., Muinonen, K., Nousiainen, T., Sasse, C., Roth, S., and Peltoniemi, J. I.: Albedo measurements on meteorite particles. Planetary and Space Science 46 (1998): 937-943.
[online version]

Shahbaz, T.; Bandyopadhyay, R. M.; Charles, P. A.; Wagner, R. M.; Muhli, P.; Hakala, P.; Casares, J.; Greenhill, J.: An `outside-in' outburst of Aql X-1. Monthly Not. R. Astron. Soc., 300 (1998): 1035-1040.
[online version]

Shkuratov, Yu. G., Kreslavsky, M. A., Ovcharenko, A. A., Muinonen, K., Piironen, J., and Karttunen, H. (1998). Diagnostic sense of opposition effect of solid planetary surfaces. Cosmic Science and Technology 4:1 (1998): 1-6. (A Ukrainian journal, in Russian).

M. Stickel, D. Lemke, K. Mattila, L.K. Haikala and M. Haas: Far-infrared emission of intracluster dust in the Coma galaxy cluster. Astron. Astrophys. 329 (1998): 55-60.
[online version]

H. Teräsranta, M. Tornikoski, A. Mujunen, K. Karlamaa, T. Valtonen, N. Henelius, S. Urpo, M. Lainela, T. Pursimo, K. Nilsson, S. Wiren, A. Lähteenmäki, M. Korpi, R. Rekola, P. Heinämäki, M. Hanski, P. Nurmi, K. Kokkonen, P. Keinänen, O. Joutsamo, J. Oksanen, H. Pietilä, E. Valtaoja, M. Valtonen, P. Könönen: Fifteen years monitoring of extragalactic radio sources at 22, 37 and 87 GHz. Astron. Astrophys. Suppl. Ser. 132 (1998): 305-331.
[online version]

Vilhu, Osmi; Huovelin, Juhani; Tikkanen, Tuomo; Hakala, Pasi; Muhli, Panu; Kämäräinen, V.; Sipilä, H.; Taylor, I.; Pohjonen, J.; Päivike, H.; Toivanen, J.; Sunyaev, R.; Kuznetsov, A.; Abrosimov, A.: SIXA - Silicon X-ray Array. (Proceedings of the Nordic symposium in theoretical high energy astrophysics : use of the Spectrum X-Gamma and INTEGRAL missions, Copenhagen, Denmark, September 14-16, 1997.) Physica scripta T77 (1998), 27-28.
[online version]

Vilhu O., Muhli P., Huovelin J., Hakala P., Rucinski S. M., Collier Cameron A.: UV Spectroscopy of AB Doradus with the Hubble Space Telescope. Impulsive Flaring and bimodal profiles of CIV [lambda]1549 in a young star. Astronomical Journal 115 (1998): 1610-1616.
[online version]

Vilhu O. and Nevalainen J.: Two-Phase modelling of the rings in the RXTE two-color diagram of GRS 1915+105. Astrophysical Journal 508 (1998): L85.
[online version]

I. Zinchenko, L. Pirogov, M. Toriseva: Studies of dense molecular cores in regions of massive star formation VII. Core properties on the galactic scale. Astron. Astrophys. Suppl. Ser. 133 (1998): 337-352.
[online version]


B2. Artikkelit tieteellisissä kokoomateoksissa tai kongressijulkaisuissa - Articles in collected or conference publications

Blum, J., Cabane, M., Henning, T., Holländer, W., Levasseur-Regourd, A. C., Lumme, K., Marijnissen, J., Muinonen, K., Poppe, T., Prodi, F., Wagner, P., and Worms, J.-C.:. Research with small particles onboard the ISS. The 2nd European Symposium on Utilisation of the International Space Station, 16-18 November 1998. (ESA SP-433) (1998): 1-5.

Haikala, L. K.; Mattila, K.; Lehtinen, K.; Lemke, D.: ISOPHOT FIR and SEST molecular line mapping of Chameleon I. Star Formation with the Infrared Space Observatory, 24-26 June 1997, Lisbon, Portugal, edited by Joao Yun and Rene Liseau, Publisher: ASP, as volume 132 of ASP Conference Series. P. 141.
[ADS]

Diana Hannikainen, Richard Hunstead and Duncan Campbell-Wilson: MOST Radio Observations of GX 339-4, GRS 1915+105 and GRO J1655-40. New Astronomy Reviews 42 (1998): 601-604 (Proceedings of the 2nd Galactic Sources with Relativistic Jets Workshop).
[abstract]

Harjunpää, P. (1998): The ratio N(CO)/E(J-K) in globules. Star Formation with the Infrared Space Observatory, 24-26 June 1997, Lisbon, Portugal, edited by Joao Yun and Rene Liseau, Publisher: ASP, as volume 132 of ASP Conference Series, P. 358
[ADS]

Lehtinen, K.; Lemke, D.; Mattila, K.; Haikala, L. K.: The energy balance of the Thumbprint Nebula. Star Formation with the Infrared Space Observatory, 24-26 June 1997, Lisbon, Portugal, edited by Joao Yun and Rene Liseau, Publisher: ASP, as volume 132 of ASP Conference Series. P. 203.
[ADS]

Leinert, Ch.; Mattila, K.: Natural Optical Sky Background. Preserving The Astronomical Windows. Proceedings of Joint Discussion number 5 of the 23rd General Assembly of the International Astronomical Union held in Kyoto, Japan 22-23 August 1997. ASP Conference Series, 139, 1998, ed. Syuzo Isobe and Derek McNally, p.17.
[ADS]


B3-B4. Muut tieteelliset artikkelit - Other nonrefereed scientific articles.

Corbel, S.; Hannikainen, D.; Gonzalez, J. F.; Hainaut, O. R.: QX Normae. IAU Circ., 6824, 1 (1998).
[online version]

Durouchoux, Ph. & Hannikainen, D.: Galactic radio-jet sources: multiwavelength observations. The hot universe: proceedings of the 188th symposium of the International Astronomical Union, held in Kyoto, Japan, August 26-30, 1997. eds. Katsuji Koyama, Shunji Kitamoto, Masayuki Itoh. - Dordrecht : Kluwer, cop. 1998. ISBN 0-7923-5058-8, p. 131-
[ADS]

Hannikainen, D. & Durouchoux, Ph.: Multiwavelength temporal behavior of GRS 1915+105. The hot universe: proceedings of the 188th symposium of the International Astronomical Union, held in Kyoto, Japan, August 26-30, 1997. eds. Katsuji Koyama, Shunji Kitamoto, Masayuki Itoh. - Dordrecht : Kluwer, cop. 1998. ISBN 0-7923-5058-8, p. 396-
[ADS]

Helin, E. F.; Lawrence, K. J.; Roman, B.; Williams, G. V.; Yeomans, D. K.; Chodas, P.; Muinonen, K.; Bowell, E.: 1997 XF11. IAU Circ., 6839, 1 (1998).
[online version]

Stickel, M.; Lemke, D.; HAAS, M.; Mattila, K.; Haikala, L. K.: Far infrared emission of intracluster dust in the Coma cluster. Untangling Coma Berenices: A New Vision of an Old Cluster, Proceedings of the meeting held in Marseilles (France), June 17-20, 1997, Eds.: Mazure, A., Casoli F., Durret F. , Gerbal D., Word Scientific Publishing Co Pte Ltd, p 183.
[ADS]

Yeomans, D.; Chodas, P.; Muinonen, K.; Bowell, E.; Shoemaker, C. S.; Shoemaker, E. M.; Williams, G. V.; Marsden, B. G.: 1997 XF11. IAU Circ., 6879, 3 (1998)
[online version]


Abstraktit - Abstracts

T. Hackman, L. Jetsu: Surface imaging of FK Com-type stars. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3) P4, p. 26.

Jorma Harju: Tähtitiedettä Odin- ja SMART-1/SMOG-satelliiteilla. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3), s. 14.

Harju, J.; Anderson, I. M.; Haikala, L. K.: Deuterium fractionation in Corona Australis. The Physics and Chemistry of the Interstellar Medium, Abstract Book of the 3rd Cologne-Zermatt Symposium, held in Zermatt, September 22-25, 1998, Ed.: V. Ossenkopf Shaker-Verlag Aachen, ISBN 3-8265-4259-2.

Juhani Huovelin, Lauri Alha, Diana Hannikainen, Kirsi Malmivaara, Panu Muhli, Jukka Nevalainen, Osmi Vilhu, Jenni Virtanen, Mika Vuori: Suurenergia-astrofysiikkaa avaruuslaitteilla: nykyisiä tutkimuksia sekä tulevaisuuden laiteprojekteja Helsingin yliopiston Observatoriossa. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3), s. 11.

Mika Juvela: Search for distant IP galaxies with ISO. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3), p. 12.

S. Keränen, J. Piironen, K. Muinonen: Valon takaisinsironnan kenttämittauksia. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3) P10, s. 29.

Kari Lumme: Light scattering by cosmic dust. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3), p. 15.

Kimmo Lehtinen: Studies of globules with the Infrared Space Observatory (ISO). VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3) P5, p. 26

Lehtinen, Kimmo: ISOPHOT far-IR observations of the dark cloud DC303.8-14.2. Abstract book: the universe as seen by ISO. October 20-23 1998, Unesco, Paris, France. - Noordwijk : ESA, 1998, p. 124.

Mattila, Kalevi; Lehtinen, Kimmo; Lemke, D.: Detection of widely distributed UIR band emission in the disk of NGC891. Abstract book : the universe as seen by ISO. October 20-23 1998, Unesco, Paris, France. - Noordwijk : ESA, 1998, p. 262

K. Mattila, D. Lemke, K. Lehtinen: ISO observations of mid-infrared spectra of the diffuse interstellar emission of the Milky Way and its twilling galaxy NGC 891. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3), p. 11.

Muhli, P.; Hakala, P. J.; Casares, J.; Shahbaz, T.; Vuori, M.; Charles, P. A.: GT2318+620 - a galactic low-mass X-ray binary or a radio loud AGN? Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.: J. Paul, T. Montmerle, and E. Aubourg (CEA Saclay).
[ADS]

Muinonen, K. (1998). Prospects of near-Earth-asteroid astrometry and photopolarimetry at the NOT. Astrophysics with the NOT, Abstracts, 13 (Turku, Finland).

Muinonen, K. (1998). Upper Bounds for the Earth--XF$_{11$ Collision Probability. Bulletin of the American Astronomical Society 30, 1030.
[ADS]

Muinonen, K. (1998). Prospects of near--Earth--asteroid astrometry and photopolarimetry at the NOT. Astrophysics with the NOT, Abstracts, 13 (Turku, Finland).

Muinonen, K., and Lagerros, J. S. V. (1998). Inversion of shape statistics for small solar system bodies. Annales Geophysicae, Part III, Space and Planetary Sciences, Supplement III to Volume 16, C1013.

K. Muinonen, Yu. G. Shkuratov, J. Piironen, S. Keränen, D. Stankevych, A. Ovcharenko: Valon takaisinsironta partikkeliväliaineesta: teoriaa ja mittauksia. VII Suomen avaruustutkijoiden COSPAR-kokous, Kiljavanranta 14-15.9.1998 : tiivistelmät. VII COSPAR-meeting of the Finnish space scientists, Abstracts. - Helsinki: Ilmatieteen laitos / Finnish Meteorological Institute, 1998 (Raportteja/Reports 1998 : 3), s. 15.

Sansaturio, Maria-Eugenia; Milani, A., Laspina, A.; Muinonen, K.: The asteroid identification problem. In: Impact of Modern Dynamics in Astronomy, Colloquium 172 of the International Astronomical Union, Namur (Belgium), 6-11 July 1998.
[ADS]

Stankevych, D. G., Shkuratov, Yu. G., and Muinonen, K. (1998). Shadow-hiding effect in layered particulate media. The 3rd International Conference on the Exploration and Utilization of the Moon, 28th Vernadsky-Brown Microsymposium on Comparative Planetology, Abstracts, 37 (Moscow, Russia).

Tedesco, E. F., Muinonen, K., Price, S. D., and Egan, M. P. (1998). Discovery of Aten asteroids: visual ground-based vs. infrared space-based. Bulletin of the American Astronomical Society 30, 1042.
[ADS]

Vilhu O., Nevalainen, J.: Rings in the RXTE two-color diagram of GRS 1915+105. BAAS 30, No.2, 26.05. (1998)
[ADS]

Warell, J., Lagerkvist, C.-I., Limaye, S. S., Scharmer, G., Gunnarsson, M., Lagerros, J. S. V., and Muinonen, K. (1998). High-resolution groundbased imaging of Mercury at visual and near-infrared wavelengths. Annales Geophysicae, Part III, Space and Planetary Sciences, Supplement III to Volume 16, C995.


B5. Yleistajuiset artikkelit

Harju J.: Tähtipöly ja elämän reunaehdot. Tieteessä tapahtuu 3/1998, p. 31-36.
[verkkoversio]

Huovelin, J.: Suurenergia-astrofysiikkaa avaruuslaitteilla. Avaruusuutiset, TEKES, 5/98, s.5-7

Muinonen, K.: Miljardin vuoden ennuste. Tähdet ja Avaruus 6/98, 18-22.

Oja, Heikki: Jättiläiskaukoputkien sukupolvenvaihdos. Mitä missä milloin : kansalaisen vuosikirja 1999. Helsinki : Otava, 1998. s. 378-382

Oja, Heikki: Suomalaisen kalenterin vaiheita. Kodin vuosikalenteri 1999. Helsinki : Valitut palat. s. 8-9

Oja, Heikki: Tähtitieteen tapahtumia : 27.9.-7.12.97. Tähdet ja avaruus 28 (1998): 1, s. 6-7

Oja, Heikki: Tähtitieteen tapahtumia : 8.12.97-13.2.98. Tähdet ja avaruus 28 (1998): 2, s. 6-7

Oja, Heikki: Tähtitieteen tapahtumia : 16.2.98-26.4.1998. Tähdet ja avaruus 28 (1998): 3, s. 6-9

Oja, Heikki: Tähtitieteen tapahtumia : 17.4.98-16.6.1998. Tähdet ja avaruus 28 (1998): 4, s. 6-9

Oja, Heikki: Tähtitieteen tapahtumia : 17.6.98-20.8.1998. Tähdet ja avaruus 28 (1998): 5, s. 6-9

Oja, Heikki: Tähtitieteen tapahtumia : 21.8.98-15.10.1998. Tähdet ja avaruus 28 (1998): 6, s. 8-11