X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (31660) 31660
Newspaper Article (6946) 6946
Magazine Article (898) 898
Book Chapter (348) 348
Conference Proceeding (340) 340
Patent (303) 303
Government Document (220) 220
Book / eBook (183) 183
Dissertation (139) 139
Publication (118) 118
Book Review (76) 76
Trade Publication Article (74) 74
Web Resource (74) 74
Newsletter (58) 58
Reference (29) 29
Report (21) 21
Transcript (8) 8
Streaming Video (6) 6
Paper (3) 3
Video Recording (2) 2
Photograph (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
astronomy & astrophysics (21063) 21063
astrophysics (13687) 13687
stars & galaxies (8217) 8217
stars (7570) 7570
galaxy astrophysics (7001) 7001
astronomy (6789) 6789
physics - solar and stellar astrophysics (6407) 6407
cosmology and extragalactic astrophysics (6372) 6372
physics - cosmology and nongalactic astrophysics (5595) 5595
physics - astrophysics of galaxies (5531) 5531
solar and stellar astrophysics (5444) 5444
physics - high energy astrophysical phenomena (5139) 5139
physics - earth and planetary astrophysics (4891) 4891
physics - instrumentation and methods for astrophysics (4526) 4526
earth and planetary astrophysics (4376) 4376
physics (4026) 4026
high energy astrophysical phenomena (4023) 4023
evolution (3918) 3918
galaxies (3750) 3750
star & galaxy formation (3608) 3608
all star games (3393) 3393
emission (3382) 3382
astrophysics - solar and stellar astrophysics (3059) 3059
stars: activity (2916) 2916
astrophysics, cosmology and astronomy (2877) 2877
galaxies: evolution (2565) 2565
star-formation (2350) 2350
magnetic fields (2203) 2203
luminosity (2138) 2138
astrophysics - astrophysics of galaxies (2018) 2018
stars: formation (1996) 1996
sun (1879) 1879
astrophysics - cosmology and nongalactic astrophysics (1859) 1859
stars: individual (1854) 1854
photometry (1785) 1785
analysis (1774) 1774
galaxies: active (1713) 1713
mass (1688) 1688
active galactic nuclei (1687) 1687
star formation (1681) 1681
spectra (1637) 1637
contributed papers (1463) 1463
black holes (1403) 1403
telescopes (1401) 1401
stellar activity (1370) 1370
stars: late-type (1353) 1353
spectroscopy (1314) 1314
astrophysics - high energy astrophysical phenomena (1304) 1304
accretion disks (1284) 1284
x-rays: stars (1280) 1280
digital sky survey (1249) 1249
space telescopes (1246) 1246
galaxies: starburst (1222) 1222
rotation (1218) 1218
main-sequence stars (1197) 1197
accretion (1164) 1164
planets (1090) 1090
spectrum analysis (1086) 1086
galaxies: formation (1057) 1057
universe (1055) 1055
athletes (1039) 1039
research (1024) 1024
red shift (1022) 1022
planetary systems (1018) 1018
humans (1001) 1001
extrasolar planets (992) 992
mathematical models (992) 992
astrophysics - earth and planetary astrophysics (976) 976
stars : activity (966) 966
animals (949) 949
stars: rotation (946) 946
stars: neutron (941) 941
cosmology (939) 939
galaxies: ism (928) 928
binary stars (913) 913
low-mass stars (893) 893
main sequence stars (881) 881
physical properties (880) 880
infrared: galaxies (853) 853
star-forming galaxies (852) 852
professional baseball (848) 848
stars : formation (842) 842
dust (839) 839
star (837) 837
stellar winds (827) 827
variability (827) 827
stars : individual (819) 819
x-ray (816) 816
binaries: close (806) 806
galaxies : evolution (806) 806
radiations (800) 800
surveys (799) 799
classical and quantum mechanics, general physics (798) 798
star evolution (792) 792
simulation (787) 787
spiral galaxies (787) 787
atmospheres (782) 782
quasars (770) 770
galaxies: high-redshift (763) 763
astronomy, observations and techniques (757) 757
more...
Library Location Library Location
Library Location Library Location
X
Sort by Item Count (A-Z)
Filter by Count
Gerstein Science - Stacks (90) 90
Astronomy & Astrophysics - Ask at library (81) 81
Collection Dvlpm't (Acquisitions) - Vendor file (29) 29
Robarts - Stacks (23) 23
Online Resources - Online (18) 18
UofT at Mississauga - Stacks (18) 18
UofT at Scarborough - Stacks (11) 11
Astronomy & Astrophysics - Stacks (10) 10
OISE - Curriculum Resources (6) 6
Collection Dvlpm't (Acquisitions) - Closed Orders (5) 5
UTL at Downsview - May be requested (4) 4
Victoria University E.J. Pratt - Stacks (4) 4
Innis College - Stacks (2) 2
Trinity College (John W Graham) - Stacks (2) 2
Gerstein Science - Withdrawn (1) 1
Innis College - Circulation Desk (1) 1
Law (Bora Laskin) - Stacks (1) 1
Media Commons - Audio Visual (1) 1
OISE - Audio Visual (1) 1
OISE - Stacks (1) 1
Robarts - Course Reserves (1) 1
Royal Ontario Museum - Stacks (1) 1
St. Michael's College (John M. Kelly) - 2nd Floor (1) 1
St. Michael's College (John M. Kelly) - Circulation Desk (1) 1
Trinity College (John W Graham) - Reference (1) 1
UofT Schools - Stacks (1) 1
more...
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (41394) 41394
Japanese (119) 119
Chinese (96) 96
French (72) 72
German (33) 33
Korean (26) 26
Russian (17) 17
Spanish (13) 13
Swedish (7) 7
Portuguese (5) 5
Dutch (4) 4
Danish (3) 3
Ukrainian (3) 3
Arabic (2) 2
Croatian (2) 2
Italian (2) 2
Urdu (2) 2
Afrikaans (1) 1
Galician (1) 1
Hungarian (1) 1
Lithuanian (1) 1
Polish (1) 1
Romanian (1) 1
Turkish (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


The Astrophysical Journal, ISSN 0004-637X, 01/2010, Volume 709, Issue 1, pp. 332 - 341
.... Printed in the U.S.A. SIMULTANEOUS MULTI-W A VELENGTH OBSERV A TIONS OF MAGNETIC ACTIVITY IN ULTRACOOL DW ARFS. III. X-RA Y , RADIO, AND Hα ACTIVITY TRENDS IN M AND L... 
Brown dwarfs | Radio continuum: stars | Stars: activity | Stars: magnetic fields | Stars: low-mass | ROTATION | stars: magnetic fields | LOW-MASS STARS | COOL STARS | MAIN-SEQUENCE | BROWN DWARF | radio continuum: stars | brown dwarfs | FLARE | SOLAR NEIGHBORHOOD | ASTRONOMY & ASTROPHYSICS | MID-M | stars: low-mass | ROSAT SURVEY | stars: activity | EMISSION | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2012, Volume 541, p. A9
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2015, Volume 448, Issue 4, pp. 3038 - 3052
.... For investigating this activity-caused 'jitter' we calculate synthetic spectra using radiative transfer, known stellar atomic and molecular lines, different surface spot configurations and an added planetary signal... 
Detection - stars | Planets and satellites | Rotation - stars | Solartype - starspots | Activity - stars | RADIAL-VELOCITY CONFIRMATION | PLANETS | LOW-MASS STARS | SPOTS | starspots | SUN | KEPLER | VARIABILITY | stars: solar-type | PHOTOMETRY | ASTRONOMY & ASTROPHYSICS | TIME-SERIES | planets and satellites: detection | stars: activity | SPECTRAL-ANALYSIS | stars: rotation | Physics - Earth and Planetary Astrophysics
Journal Article
Astrophysical Journal, Supplement Series, ISSN 0067-0049, 11/2015, Volume 221, Issue 1, pp. 18 - 18
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 10/2019, Volume 488, Issue 4, pp. 5145 - 5161
The search for Earth-like planets around late-type stars using ultrastable spectrographs requires a very precise characterization of the stellar activity and the magnetic cycle of the star... 
stars: individual: Barnard's star (Gl 699) | SYSTEM | TELESCOPE | LOW-MASS STARS | SEARCH | CENTAURI | PLANET | CANDIDATE | VARIABILITY | SPECTROSCOPY | ASTRONOMY & ASTROPHYSICS | stars: activity | stars: rotation | DWARF STARS
Journal Article
ASTRONOMY & ASTROPHYSICS, ISSN 1432-0746, 08/2019, Volume 628, p. A125
Context. The effect of stellar activity on radial velocity (RV) measurements appears to be a limiting factor in detecting Earth-mass planets in the habitable zone of a star that is similar to the Sun in spectral type and activity level... 
ROTATION | CHROMOSPHERIC ACTIVITY | techniques: radial velocities | Sun: granulation | COOL STARS | MAIN-SEQUENCE | convection | MAGNETIC ACTIVITY | stars: magnetic field | stars: solar-type | CALIFORNIA | ASTRONOMY & ASTROPHYSICS | stars: activity | OSCILLATIONS
Journal Article
ASTRONOMY & ASTROPHYSICS, ISSN 1432-0746, 07/2019, Volume 627, p. A56
Context. Solar simulations and observations show that the detection of long-period Earth-like planets is expected to be very difficult with radial velocity techniques in the solar case because of activity... 
CA-II EMISSION | techniques: radial velocities | MAIN-SEQUENCE STARS | MERIDIONAL FLOW | NSTARS PROJECT | SUN | DIFFERENTIAL ROTATION | MAGNETIC ACTIVITY | stars: magnetic field | stars: solar-type | ASTRONOMY & ASTROPHYSICS | SOLAR | stars: activity | OSCILLATIONS | AGE | Sciences of the Universe | Astrophysics
Journal Article
Monthly notices of the Royal Astronomical Society, ISSN 1365-2966, 2018, Volume 479, Issue 2, pp. 2351 - 2360
The coronal activity-rotation relationship is considered to be a proxy for the underlying stellar dynamo responsible for magnetic activity in solar and late-type stars... 
Stars: late-type | Stars: activity | Dynamo | Stars: rotation | 0.9 M PROGRAM | GUIDANCE SENSOR 3 | LARGE-SCALE | dynamo | PRE-MAIN-SEQUENCE | MAGNETIC ACTIVITY | PROXIMA CENTAURI | stars: late-type | ROSSBY NUMBER | ASTRONOMY & ASTROPHYSICS | X-RAY-EMISSION | MASS | stars: activity | stars: rotation | Physics - Solar and Stellar Astrophysics
Journal Article