Publications including NOT Data

1994

1. Aparicio A.
   The distance to the Pegasus Dwarf Irregular Galaxy: an open question
   1994, ApJ 437, L27
2. Clayton K. L., Osborne J. P.
   The Soft X-Ray Properties of the Polar Ek-Ursae
   1994, MNRAS 268, 229
3. Dahle, H., Maddox, S.J., Lilje, P.B.:
   "Deep imaging of the double quasar 0957+561: new constraints on Ho"
   1994, ApJ 435, L79

4. de Juan L., Colina L., Perez-Fournon I.
   Surface photometry of low-luminosity radio galaxies
   1994, ApJS, 91, 507
5. Dietrich, M., Kollatschny, W., Alloin, D., Aretxaga, I., Axon, D., de Bruyn, A.G., Clavl, J., Goad, M.R., Gondhalekar, P., van Groningen, E., Horne, K., Jackson, N., Laurikainen, E., Lawrence, A., Masegosa, J., Moles, M., O'Brien, P., del Olmo, A., Penston, M.V., Perea, J., Perez, E., Perez-Fournon, I., Perry, J.J., Peterson, B.M., Robinson, A., Rodriguez-Espinoza, J.M., Stirpe, G.M., Tadhunter, C., Terlevich, R., Unger, S., Wagner, S.J., Wanders, I., Williams, R.:
   "Monitoring of active galactic nuclei IV. The Seyfert galaxy NGC 4593"
   1994, A&A 284, 33

6. Fridlund C.V.M., Liseau R.:
   "The velocity field of the L1551 IRS5 jet"
   1994, A&A 292, 631

7. González-Serrano, J.I., Pirez-Fournon, I., & Morganti, R.
   "Optical emission associated with the radio jet in B2 1243+26"
   1994, MNRAS 267, 424

8. Hakala P.J., Piirola V., Vilhu O., Osborne J.P., Hannikainen D.C.:
   "The Record Circular Polarisation Variability Observed in the Shortest Period Magnetic Binary RE 1307+535"
   1994, MNRAS 271, L41

9. Kotilainen, J.K., Ward, M.J.:
   "The host galaxies of Seyfert type 1 nuclei"
   1994, MNRAS 266, 953

10. Lacy, M., Miley, G., Rawlings, S., Saunders, R., Dickinson, M., Garrington, S., Maddox, S., Pooley, G., Steidel, C., Bremer, M. N., Cotter, G., van Ojik, R., Rottgering, H., Warner, P.:
    "8C 1435+635: a radio galaxy at z=4.25"
    1994, MNRAS 271, 504

11. Lipari S., Colina L., Macchetto F.
    Galaxies with extreme infrared and Fe II emission. 1: Markarian 231: The signature of a young infrared QSO
    1994, ApJ 427, 174
12. Martin E. L., Rebolo R., Magazzu A., Pavlenko Y. V.
    Pre-main sequence lithium burning. 1: Weak T Tauri stars
    1994, A&A 282, 503
13. Nordström, B., Johansen, B.T.:
    "Radii and Masses for Beta Aurigae"
    1994, A&A 291, 777

14. Osborne J.P., Beardmore A.P., Wheatley P.J., Hakala P.J., Watson M.G., Mason K.O.:
    "Discovery of RE1307+535: The shortest period AM Her system"
    1994, MNRAS 270, 650

15. Picard A., Johnston H. M.
    A comparison of methods for determining the centers of globular clusters
    1994, A&A 283, 76
16. Piirola, V., Coyne, G.V. S.J., Takalo, L., Larsson, S., Vilhu, O.:
    "UBVRI polarimetry of AM Her type binaries - V. The Asynchronous (?) polar BY Cam (=H0538+608)"
    1994, A&A 283, 163

17. Ponman, T.J., Allan, D.J., Jones, L.R., Merrifield, M., McHardy, I.M., Lehto, H.J., Luppino, G.A.:
    "A possible fossil galaxy group"
    1994, Nature 369, 462

18. Rönnback, J., Bergvall, N.:
    "Blue low surface brightness galaxies. I. Surface photometry"
    1994, A&AS 108, 193

19. Salamanca, I, Alloin, D., Baribaud, T., Axon, D., de Bruyn, G., Goad, M., Gondhalekar, P., van Groningen, E., Jackson, N., Kollatschny, W., Laurikainen, E., Lawrence, A., Masegosa, J., O'Brien, P., Pelat, D., Penston, M.V., Perez, E., Perez-Fournon, I., Robinson, A., Santos-Lleo, M., Stirpe, G., Tadhunter, C., Terlevich, R., Unger, S., Wagner, S., Wanders, I.:
    "Spectroscopic monitoring of active galactic nuclei III. Size of the broad line region in NGC 3227"
    1994, A&A 282, 742

20. Stirpe, G.M., Alloin, D., Axon, D.J., Clavel, J., de Bruyn, A.G., del Olmo, A., Goad, M., Gondhalekar, P.M., Jackson, N., Kollatschny, W., Laurikainen, E., Lawrence, A., Masegosa, J., McHardy, I.M., Moles, M., O'Brien, P.T., Penston, M.V., Perea, J., Perez, E., Perez-Fournon, I., Robinson, A., Rodriguez-Espinoza, J.M., Tadhunter, C.N., Terlevich, R.J., Unger, S.W., van Groningen, E., Vila-Vilario, B., Wagner, S.J.:
    "Monitoring of active galactic nuclei V. The Seyfert galaxy Markarian 2779"
    1994, A&A 285, 857

21. Takalo, L.O., Sillanpää, A., Nilsson, K.:
    "Simultaneous UBVRI photopolarimetry of three blazars: 3C66A, S5 0716+714 and OJ 287"
    1994, A&AS 107, 497

22. Takalo, L.O., Sillanpää, A., Nilsson, K., Kidger, M. de Diego, J.A.:
    "Intense blazar activity in photopolarimetric light curves of OJ 287"
    1994, A&AS 104, 115

23. Teuber, J., Østensen, R., Stabell, R., Florentin-Nielsen, R.:
    "Rotate-And-Stare: A new method for PSF estimation"
    1994, A&AS 108, 509

24. Thejll P., Theissen A., Jimenez R.
    Detecting red stellar companions to hot subdwarfs with CCD imaging
    1994, A&A 292, 457
25. Vernin J., Munoz-Tunon C.
    Optical seeing at La Palma Observatory. 2: Intensive site testing campaign at the Nordic Optical Telescope
    1994, A&A 284, 311

1993

1. Cuesta L., Phillips J. P., Mampaso A.
   Spectroscopy and shock modelling of the unusual bipolar outflow NGC 6905
   1993, A&A 267, 199
2. Fridlund C.V.M., Liseau R., Perryman M.A.C.:
   "High-resolution spectrophotometric imaging of the Herbig-Haro object HH29 in the L1551 outflow"
   1993, A&A 273, 601

3. Gilliland R. L., Brown T. M., Kjeldsen H., McCarthy J. K., Peri M. L., Belmonte J. A., Vidal I., Cram L. E., Palmer J., Frandsen S., Parthasarathy M., Petro L., Schneider H., Stetson P. B., Weiss W. W.
   A search for solar-like oscillations in the stars of M67 with CCD ensemble photometry on a network of 4 M telescopes
   1993, AJ 106, 2441
4. Hakala P.J., Watson M.G., Vilhu O., Hassall B.J.M., Kellett B.J., Mason K.O., Piirola V.:
   "The Discovery of a new bright Eclipsing AM Her system"
   1993, MNRAS 263, 61

5. Jonch-Sorensen H.
   Vby-beta CCD field star photometry with the Nordic Optical Telescope
   1993, A&A 267, 54
6. Kidger, M.R., Takalo, L.O., de Diego, J.A., Sillanpää, A., Okyodo, M.:
   "Optical photometry and polarimetry and infrared photometry of 3C345 in outburst"
   1993, ApJ 407, L1

7. Kotilainen, J.K., Ward, M.J., Williger, G.M.:
   "CCD imaging of Seyfert galaxies: Deconvolution of the stellar and non-stellar nuclear components"
   1993, MNRAS 263, 655

8. Lagage, P.O., Olofsson, G., Cabrit, S., Cesarsky, C.J., Nordh, L., Rodriguez-Espinosa, J.M.:
   "A Deeply Embedded Companion to LkH alpha 198"
   1993, ApJ 417, L79

9. Laurikainen, E., Salo, H., Aparicio, A.:
   "Interacting system NGC 7753-7752 (Arp~86)~I. BVRI photometry"
   1993, ApJ 410, 574

10. Martin E. L.
    The peculiar nature of BD + 24 deg 676
    1993, PASP 105, 277
11. McKeith, C.D., Garcia Lopez, R.J., Rebolo, R., Barnett, E.W., Beckman, J.E.$ Martin, E.L., Trapero, J.:
    "IACUB - A new echelle spectrograph for use at the Observatorio del Roque de los Muchachos"
    1993, A&A 273, 331

12. Norgaard-Nielsen, Goudfrooij, P., Jorgensen, H. E., Hansen, L.:
    "The extinction and star clusters in NGC 1275"
    1993, A&A 279, 61

13. Piirola V., Hakala P., Coyne G.V.:
    "The Discovery of Variable Polarisation over the 13.9 minute spin period of the intermediate polar RE0751+14"
    1993, ApJ 410, L107

14. Rosen S.R., Mittaz J.P.D., Hakala P.J.:
    "RE0751+14, the first 'Intermediate' Polar?"
    1993, MNRAS 264, 171

15. Salo, H., Laurikainen, E.:
    "Interacting system NGC 7753-7752 (Arp 86) II. N-body simulations"
    1993, ApJ 410, 586

16. Scaltriti, F., Piirola, V., Coyne, G.V., Koch, R.H., Elias, N.M., Holenstein, B.D.:
    "UBVRI linear and Circular Polarization of RS CVn-type Binaries"
    1993, A&AS 102, 343

17. Schramm, K.-J., Borgeest, U., Camenzind, M., Valtaoja, E., Wagner, S.J., Bade, N., Dreissigacker, O., Heidt, J., Hoff, W., Kayser, R., Kuhl, D., v. Linde, J., Linnert, M.D., Pelt, J., Schramm, T., Sillanpää, A., Takalo, L.O., Vigotti, M.:
    "Another active period in the optical and radio lightcurves of the blazar 3C 345: indications for the "lighthouse effect" due to jet rotation"
    1993, A&A 278, 391

18. Stangellini, C., O'Dea, C. P., Baum, S., Laurikainen, E.:
    "Optical CCD-imaging of Gigahertz-peaked-spectrum radio sources"
    1993, ApJS 88, 1

19. Valtaoja, L., Karttunen, H., Efimov, Yu., Shakhovskoy, N.M.:
    "The long and short timescale polarization variability of the BL Lac object PKS 0109+224"
    1993, A&A 278, 371

20. Valtaoja, L., Karttunen, H., Valtaoja, E., Shakhovskoy, N.M., Efimov, Yu.:
    "Optical circular polarization in two BL Lac objects?"
    1993, A&A 273, 393

21. Vauclair G., Belmonte J. A., Pfeiffer B., Chevreton M., Dolez N., Motch C., Werner K., Pakull M. W.
    A new pulsating PG 1159 white dwarf - RXJ 2117.1 + 3412
    1993, A&A 267, L35
22. Vestergaard, M., Barthel, P.D.:
    "The nucleus of the Cygnus A galaxy"
    1993, AJ 105, 456

23. Zeilinger, W. W., Möller, P., Stiavelli, M.:
    "Multi-colour surface photometry of NGC 4486 (M87) and its jet"
    1993, MNRAS 261, 175

1992

1. Hagen H.-J., Cordis L., Engels D., Groote D., Haug U., Heber U., Koehler T., Wisotzki L., Reimers D.
   HS 1946 + 7658 - The most luminous QSO so far
   1992, A&A 253, L5

2. Jackson, N., O'Brien, P.T., Good, M, Alloin, D., Axon, D.J., de Bruyn, A.G., Clavel, J., Dietrich, M., Gondhalekar, D.M., van Groningen, E., Kollatschny, W., Laurikainen, E., Lawrence, A., McHardy, I.M., Penston, M.V., Perez, E., Perez-Fournon, Robinson, A., Stirpe, G..M., Tadhunter, C.N., Terlevich, R.J., Wagner, S.:
   "Monitoring of active galactic nuclei I: the quasars 1302-102 and 1217+023"
   1992, A&A 262, 17

3. Kidger M.R., Takalo L.O., de Diego J.A.:
   "Rapid Variations and a large antiflare in the light curve of Markarian 501"
   1992, A&A 254, 65

4. Kjeldsen H., Frandsen S.
   High-precision time-resolved CCD photometry
   1992, PASP 104, 413

5. O'Dea C. P., Baum S. A., Stanghellini C., Dey A., van Breugel W., Deustua S., Smith E. P.
   Radio and optical observations of 0218+357 - The smallest Einstein ring?
   1992, AJ 104, 1320

6. Piirola, V., Scaltriti, F., Coyne, G. V.:
   ``Circumstellar disks deduced from sub-arcsecond polarization observations of two young stars''
   1992, Nature 359, 399

7. Sillanpää, A., Takalo L.O., Nilsson K., Kidger M., de Diego J.-A.:
   "A polarized accretion disk flare in OJ 287?"
   1992, A&A 254, L33

8. Stiavelli, M., Biretta, J., Möller, P., Zeilinger, W. W.:
   "Optical counterpart of the east radio lobe of M87"
   1992, Nature 355, 802

9. Takalo, L.O., Kidger, M.R., de Diego, J.A., and Sillanpää, A.:
   "First simultaneous UBVRI photopolarimetric observations of normal quasars"
   1992, A&A 261, 415

10. Takalo L.O., Sillanpää, A., Nilsson K., Kidger M., de Diego J.A., Piirola V.:
    "Simultaneous UBVRI photopolarimetry of blazars II"
    1992, A&AS 94, 37

11. Trapero, J., Beckman, J. E., Genova, R., McKeith, C.D.:
    "Observation of fine structure in the cold phase interstellar medium using K I absorption"
    1992, ApJ 394, 552

12. Vauclair G., Belmonte J. A., Pfeiffer B., Grauer A. D., Jimenez A., Chevreton M., Dolez N., Vidal I., Herpe G.
    The pulsating DA white dwarf PG2303+243 revisited
    1992, A&A 264, 547

13. Vernin J., Munoz-Tunon C.
    Optical seeing at La Palma Observatory. I - General guidelines and preliminary results at the Nordic Optical Telescope
    1992, A&A 257, 811

1991

1. Dahlgren, M., Fitzsimmons, A., Lagerkvist, C.-I., Williams, I.P.:
   "Differential CCD Photometry of Dubiago, Chiron and Hektor"
   1991, MNRAS 250, 115

2. Egonsson J., Hakala P.J.:
   "Discovery of variable optical polarization in Her X-1"
   1991, A&A 244, L41

3. Kidger M.R., Takalo L.O., Valtaoja E., de Diego J.A., Sillanpää, A.:
   "A turned-over optical spectrum of OJ 287 during the 1989 minimum"
   1991, A&A, 252, 538 (1991)

4. Perryman, M.A.C., Adriaens, M., Andersson, S., Cox, G.C., Debray, B., Fridlund, C.V.M.:
   "A second generation photon counting detector"
   1991, A&A 245, 341

5. Ruiz-Lapuente P., Kidger M., Gomez G., Canal R., Lopez R.
   SN 1988A in M58 - Departure from Co-56 decay 700 days after explosion
   1991, ApJ 378, L41
6. Sillanpää, A., Takalo L.O., Kikuchi S., Kidger M., de Diego J.A.:
   "Internight and intranight variations in the wavelenght dependent polarization of OJ287"
   1991, AJ 101, 2017

7. Stiavelli, M., Möller, P., Zeilinger, W. W.:
   "High--resolution optical observations compared to radio structure of the jet in M87"
   1991, Nature 354, 132

8. Takalo L.O.:
   "Simultaneous UBVRI photopolarimetric observations of blazars"
   1991, A&AS 90, 161

9. Valtaoja, L., Sillanpää, A., Valtaoja, E., Shakhovskoi, N.M., Efimov, Yu.S.:
   "UBVRI photopolarimetry of BL Lac objects - The connection between frequency-dependent polarization and growing radio shocks"
   1991, AJ 101, 78

10. Valtaoja L., Valtaoja E., Shakhovskoy N.M., Efimov Yu,S., Takalo L.O., Sillanpää, A., Tornikoski M., Kidger M., de Diego J.A.:
    "The connection between the low polarization quasar 3C 273 and blazars"
    1991, AJ 102, 1946

1990

1. Huovelin J., Piirola V.
   A note on stellar ultraviolet linear polarization observations
   1990, A&A 231, 588
2. Jetsu, L., Huovelin, J., Tuonimen, I., Bopp, B., Efimov, YU.S., Linnaluoto, S., Nations, H.L., Piirola, V., Shakhovskoy, N.M., Virtanen, H.:
   "Collected photometric and polarimetric observations of HD 199178"
   1990, A&AS 85, 813

3. Jetsu, L., Huovelin, J., Tuominen, I., Vilhu, O., Bopp, B.W., Piirola, V.:
   "Rotational and long-term variations of HD 199 178 - A double period activity cycle"
   1990, A&A 236, 423

4. Kidger M., Takalo L.O.:
   "A large anti-flare in the light curve of 3C345"
   1990, A&A 239, L9

5. Takalo L.O., Kidger M., de Diego J.A., Sillanpää, A., Piirola V., Terasranta H.:
   "The sudden fade of OJ 287"
   1990, A&AS 83, 459

6. Valtaoja E., Valtaoja L., Efimov I. S., Shakhovskoi N. M.
   Blazarlike activity in the low polarization quasar 3C 273
   1990, AJ 99, 769