The Celestial Reference Frame at 24 and 43 GHz. I. Astrometry von Lanyi, G. E, Boboltz, D. A, Charlot, P, Fey, A. L, Fomalont, E. B, Geldzahler, B. J, Gordon, D, Jacobs, C. S, Ma, C, Naudet, C. J, Romney, J. D, Sovers, O. J, Zhang, L. D

Volltext

The Celestial Reference Frame at 24 and 43 GHz. II. Imaging von Charlot, P, Boboltz, D. A, Fey, A. L, Fomalont, E. B, Geldzahler, B. J, Gordon, D, Jacobs, C. S, Lanyi, G. E, Ma, C, Naudet, C. J, Romney, J. D, Sovers, O. J, Zhang, L. D

Volltext

RADIOASTRON OBSERVATIONS OF THE QUASAR 3C273: A CHALLENGE TO THE BRIGHTNESS TEMPERATURE LIMIT von Kovalev, Y. Y., Kardashev, N. S., Kellermann, K. I., Lobanov, A. P., Johnson, M. D., Gurvits, L. I., Voitsik, P. A., Zensus, J. A., Anderson, J. M., Bach, U., Jauncey, D. L., Ghigo, F., Ghosh, T., Kraus, A., Kovalev, Yu. A., Lisakov, M. M., Petrov, L. Yu, Romney, J. D., Salter, C. J., Sokolovsky, K. V.

Volltext

Overview and Initial Results of the Very Long Baseline Interferometry Space Observatory Programme von Hirabayashi, H., Hirosawa, H., Kobayashi, H., Murata, Y., Edwards, P. G., Fomalont, E. B., Fujisawa, K., Ichikawa, T., Kii, T., Lovell, J. E. J., Moellenbrock, G. A., Okayasu, R., Inoue, M., Kawaguchi, N., Kameno, S., Shibata, K. M., Asaki, Y., Bushimata, T., Enome, S., Horiuchi, S., Miyaji, T., Umemoto, T., Migenes, V., Wajima, K., Nakajima, J., Morimoto, M., Ellis, J., Meier, D. L., Murphy, D. W., Preston, R. A., Smith, J. G., Tingay, S. J., Traub, D. L., Wietfeldt, R. D., Benson, J. M., Claussen, M. J., Flatters, C., Romney, J. D., Ulvestad, J. S., D'Addario, L. R., Langston, G. I., Minter, A. H., Carlson, B. R., Dewdney, P. E., Jauncey, D. L., Reynolds, J. E., Taylor, A. R., McCulloch, P. M., Cannon, W. H., Gurvits, L. I., Mioduszewski, A. J., Schilizzi, R. T., Booth, R. S.

Volltext

VLBA Absorption Imaging of Ionized Gas Associated with the Accretion Disk in NGC 1275 von Walker, R. C, Dhawan, V, Romney, J. D, Kellermann, K. I, Vermeulen, R. C

Volltext

Near Real-Time Astrometry for Spacecraft Navigation with the VLBA: A Demonstration with the Mars Reconnaissance Orbiter and Odyssey von Max-Moerbeck, W., Brisken, W. F., Romney, J. D.

Volltext

Kinematics of the Nucleus of NGC 1275 (3C 84) von Dhawan, V, Kellermann, K. I, Romney, J. D

Volltext

Sensitive Very Long Baseline Interferometry Studies of the OH Megamaser Emission from IRAS 17208–0014 von Momjian, E, Romney, J. D, Carilli, C. L, Troland, T. H

Volltext

Detection of a VLBI counterjet in NGC 1275: A possible probe of the parsec-scale accretion region von Walker, R. C., Romney, J. D., Benson, J. M.

Volltext

VLBA Observations of the Zeeman Effect in H2O Masers in OH 43.8-0.1 von Sarma, A. P, Troland, T. H, Romney, J. D, Huynh, T. H

Volltext

VLBA Observations of the Zeeman Effect in H(2)O Masers in OH 43.8-0.1 von Sarma, A P, Troland, T H, Romney, J D, Huynh, T H

Volltext

Sensitive Very Long Baseline Interferometry Studies of the OH Megamaser Emission from IRAS 17208-0014 von Momjian, E, Romney, J D, Carilli, CL, Troland, TH

Volltext

The structure of the interstellar medium at the 25 AU scale von DIAMOND, P. J, GOSS, W. M, ROMNEY, J. D, BOOTH, R. S, KALBERLA, P. M. W, MEBOLD, U

Volltext

Very Long Baseline Array Observations of the Zeeman Effect in H2O Masers in W3 IRS 5 von Sarma, A. P, Troland, T. H, Romney, J. D

Volltext

Structure and Evolution of the Compact Radio Source in NGC 1275 von Romney, J. D., Benson, J. M., Dhawan, V., Kellermann, K. I., Vermeulen, R. C., Walker, R. C.

Volltext

VLBI Observations of the Ultracompact Radio Nucleus of the Galaxy M81 von Bietenholz, M. F., Bartel, N., Rupen, M. P., Conway, J. E., Beasley, A. J., Sramek, R. A., Romney, J. D., Titus, M. A., Graham, D. A., Altunin, V. I., Jones, D. L., Rius, A., Venturi, T., Umana, G., Weiler, K. W., van Dyk, S. D., Panagia, N., Cannon, W. H., Popelar, J., Davis, R. J.

Volltext

Global VLBI Observations of the High-Velocity H I Absorption toward NGC 1275 von Momjian, E, Romney, J. D, Troland, T. H

Volltext

“RadioAstron”-A telescope with a size of 300 000 km: Main parameters and first observational results von Kardashev, N. S., Avdeev, V. Yu, Alakoz, A. V., Aleksandrov, Yu. A., Andreyanov, V. V., Andrianov, A. S., Antonov, N. M., Artyukhov, M. I., Arkhipov, M. Yu, Babakin, N. G., Babyshkin, V. E., Belousov, K. G., Belyaev, A. A., Berulis, J. J., Burke, B. F., Bubnov, A. E., Burgin, M. S., Busca, G., Bykadorov, A. A., Bychkova, V. S., Vasil’kov, V. I., Wellington, K. J., Vinogradov, I. S., Wietfeldt, R., Voitsik, P. A., Gvamichava, A. S., Girin, I. A., Gurvits, L. I., D’Addario, L., D’yakov, A. A., Zhuravlev, V. I., Zakhvatkin, M. V., Zinov’ev, A. N., Ilinen, Yu, Ipatov, A. V., Kanevskii, B. Z., Casse, J. L., Kovalev, Yu. A., Kovalev, Yu. Yu, Kovalenko, A. V., Kogan, B. L., Komaev, R. V., Kostenko, V. I., Kotik, A. N., Kreisman, B. B., Kukushkin, A. Yu, Kulishenko, V. F., Cooper, D. N., Kut’kin, A. M., Larionov, M. G., Litvinenko, L. N., Likhachev, S. F., Likhacheva, L. N., Lobanov, A. P., Logvinenko, S. V., Langston, G., McCracken, K., Medvedev, S. Yu, Menderov, A. V., Murphy, D. W., Mozgovoi, Yu. V., Novikov, B. S., Novikov, I. D., Oreshko, V. V., Pavlenko, Yu. K., Pashchenko, I. N., Ponomarev, Yu. N., Popov, M. V., Pravin-Kumar, A., Preston, R. A., Pyshnov, V. N., Rakhimov, I. A., Rozhkov, V. M., Rocha, P., Räisänen, A., Sazankov, S. V., Sakharov, B. A., Semenov, S. K., Skulachev, D. P., Smith, J. G., Soglasnov, V. A., Sokolovskii, K. V., Stepan’yants, V. A., Turygin, M. S., Tuchin, A. G., Urpo, S., Fedorchuk, S. D., Finkel’shtein, A. M., Fomalont, E. B., Fejes, I., Fomina, A. N., Khapin, Yu. B., Shatskaya, M. V., Sheikhet, A. I., Shirshakov, A. E., Schmidt, A., Shnyreva, L. A., Shpilevskii, V. V., Ekers, R. D., Yakimov, V. E.

Volltext

The shape, expansion rate and distance of supernova 1993J from VLBI measurements von Bartel, N, Bietenholz, M. F, Rupen, M. P, Conway, J. E, Beasley, A. J, Sramek, R. A, Romney, J. D, Titus, M. A, Graham, D. A, Altunin, V. I, Jones, D. L, Rius, A, Venturi, T, Umana, G, Francis, R. L, McCall, M. L, Richer, M. G, Stevenson, C. C, Weiler, K. W, Dyk, S. D. Van, Panagia, N, Cannon, W. H, Popelar, J, Davis, R. J

Volltext

A series of VLBI images of SS433 during the outbursts in May/June 1987 von VERMEULEN, R. C, SCHILIZZI, R. T, SPENCER, R. E, ROMNEY, J. D, FEJES, I

Volltext