• 1139 Citations
20012020

Research output per year

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Research Output

2019

Companion-driven evolution of massive stellar binaries

Rose, S. C., Naoz, S. & Geller, A. M., 2019, In : Monthly Notices of the Royal Astronomical Society. 488, 2, p. 2480-2492 13 p.

Research output: Contribution to journalArticle

3 Scopus citations

Constraining Mass-transfer Histories of Blue Straggler Stars with COS Spectroscopy of White Dwarf Companions

Gosnell, N. M., Leiner, E. M., Mathieu, R. D., Geller, A. M., Knigge, C., Sills, A. & Leigh, N. W. C., Nov 1 2019, In : Astrophysical Journal. 885, 1, 45.

Research output: Contribution to journalArticle

1 Scopus citations

Constraints on blue straggler formation mechanisms in galactic globular clusters from proper motion velocity distributions

Leigh, N. W. C., Panurach, T., Simunovic, M., Geller, A. M., Zurek, D., Shara, M. M., Sills, A., Knigge, C., Gosnell, N. M., Mathieu, R., Puzia, T. H., Ventura, J. & Minor, Q., Jan 1 2019, In : Monthly Notices of the Royal Astronomical Society. 482, 1, p. 231-239 9 p.

Research output: Contribution to journalArticle

1 Scopus citations

Detection of a White Dwarf Companion to a Blue Straggler Star in the Outskirts of Globular Cluster NGC 5466 with the Ultraviolet Imaging Telescope (UVIT)

Sahu, S., Subramaniam, A., Simunovic, M., Postma, J., Côté, P., Rao, N. K., Geller, A. M., Leigh, N., Shara, M., Puzia, T. H. & Stetson, P. B., May 1 2019, In : Astrophysical Journal. 876, 1, 34.

Research output: Contribution to journalArticle

3 Scopus citations

Detection of White Dwarf companions to Blue Straggler Stars from UVIT observations of M67

Sindhu, N., Subramaniam, A., Geller, A. M., Jadhav, V., Knigge, C., Simunovic, M., Leigh, N., Shara, M. & Puzia, T. H., Jan 1 2019, In : Proceedings of the International Astronomical Union. 14, 351, p. 482-485 4 p.

Research output: Contribution to journalArticle

In Search of the Thermal Eccentricity Distribution

Geller, A. M., Leigh, N. W. C., Giersz, M., Kremer, K. & Rasio, F. A., Jan 1 2019, In : Astrophysical Journal. 872, 2, 165.

Research output: Contribution to journalArticle

9 Scopus citations

Spectroscopic membership for the populous 300 Myr-old open cluster NGC 3532

Fritzewski, D. J., Barnes, S. A., James, D. J., Geller, A. M., Meibom, S. & Strassmeier, K. G., Feb 1 2019, In : Astronomy and Astrophysics. 622, A110.

Research output: Contribution to journalArticle

1 Scopus citations

UVIT Open Cluster Study. I. Detection of a White Dwarf Companion to a Blue Straggler in M67: Evidence of Formation through Mass Transfer

Sindhu, N., Subramaniam, A., Jadhav, V. V., Chatterjee, S., Geller, A. M., Knigge, C., Leigh, N., Puzia, T. H., Shara, M. & Simunovic, M., Sep 1 2019, In : Astrophysical Journal. 882, 1, 43.

Research output: Contribution to journalArticle

1 Scopus citations
2018

On the rate of black hole binary mergers in galactic nuclei due to dynamical hardening

Leigh, N. W. C., Geller, A. M., McKernan, B., Ford, K. E. S., Low, M. M. M., Bellovary, J., Haiman, Z., Lyra, W., Samsing, J., O'Dowd, M., Kocsis, B. & Endlich, S., Mar 1 2018, In : Monthly Notices of the Royal Astronomical Society. 474, 4, p. 5672-5683 12 p.

Research output: Contribution to journalArticle

36 Scopus citations

Small-N collisional dynamics - IV. Order in the realm of not-so-small-N

Leigh, N. W. C., Geller, A. M., Shara, M. M., Baugher, L., Hierro, V., Ferreira, DA. & Teperino, E., Jan 1 2018, In : Monthly Notices of the Royal Astronomical Society. 480, 3, p. 3062-3068 7 p.

Research output: Contribution to journalArticle

2 Scopus citations

The blue straggler V106 in NGC6791: A prototype progenitor of old single giants masquerading as young

Brogaard, K., Christiansen, S. M., Grundahl, F., Miglio, A., Izzard, R. G., Tauris, T. M., Sandquist, E. L., Vanden Berg, D. A., Jessen-Hansen, J., Arentoft, T., Bruntt, H., Frandsen, S., Orosz, J. A., Feiden, G. A., Mathieu, R., Geller, A. M., Shetrone, M., Ryde, N., Stello, D., Platais, I. & 1 others, Meibom, S., Dec 1 2018, In : Monthly Notices of the Royal Astronomical Society. 481, 4, p. 5062-5072 11 p.

Research output: Contribution to journalArticle

3 Scopus citations
2017

Astrophysics: Stellar siblings grow closer with age

Geller, A. M., Jul 6 2017, In : Nature. 547, 7661, p. 41-42 2 p.

Research output: Contribution to journalShort survey

On the Origin of Sub-subgiant Stars. I. Demographics

Geller, A. M., Leiner, E. M., Bellini, A., Gleisinger, R., Haggard, D., Kamann, S., Leigh, N. W. C., Mathieu, R. D., Sills, A., Watkins, L. L. & Zurek, D., May 10 2017, In : Astrophysical Journal. 840, 2, 66.

Research output: Contribution to journalArticle

17 Scopus citations

On the Origin of Sub-subgiant Stars. II. Binary Mass Transfer, Envelope Stripping, and Magnetic Activity

Leiner, E., Mathieu, R. D. & Geller, A. M., May 10 2017, In : Astrophysical Journal. 840, 2, 67.

Research output: Contribution to journalArticle

11 Scopus citations

On the Origin of Sub-subgiant Stars. III. Formation Frequencies

Geller, A. M., Leiner, E. M., Chatterjee, S., Leigh, N. W. C., Mathieu, R. D. & Sills, A., Jun 10 2017, In : Astrophysical Journal. 842, 1, 1.

Research output: Contribution to journalArticle

7 Scopus citations

Small-N collisional dynamics - III: The battle for the realm of not-so-small-N

Leigh, N. W. C., Geller, A. M., Shara, M. M., Garland, J., Clees-Baron, H. & Ahmed, A., Jan 1 2017, In : Monthly Notices of the Royal Astronomical Society. 471, 2, p. 1830-1840 11 p.

Research output: Contribution to journalArticle

4 Scopus citations
2016

Blue straggler stars: Lessons from open clusters

Geller, A. M., Jan 1 2016, In : Memorie della Societa Astronomica Italiana - Journal of the Italian Astronomical Society. 87, 4, p. 505-508 4 p.

Research output: Contribution to journalConference article

1 Scopus citations

DETERMINING the AGE of the KEPLER OPEN CLUSTER NGC 6819 with A NEW TRIPLE SYSTEM and OTHER ECLIPSING BINARY STARS

Brewer, L. N., Sandquist, E. L., Mathieu, R. D., Milliman, K., Geller, A. M., Jeffries, M. W., Orosz, J. A., Brogaard, K., Platais, I., Bruntt, H., Grundahl, F., Stello, D. & Frandsen, S., Mar 2016, In : Astronomical Journal. 151, 3, 66.

Research output: Contribution to journalArticle

12 Scopus citations

FORMATION of BLACK HOLE LOW-MASS X-RAY BINARIES in HIERARCHICAL TRIPLE SYSTEMS

Naoz, S., Fragos, T., Geller, A., Stephan, A. P. & Rasio, F. A., May 10 2016, In : Astrophysical Journal Letters. 822, 2, L24.

Research output: Contribution to journalArticle

22 Scopus citations

Formation of new stellar populations from gas accreted by massive young star clusters

Li, C., De Grijs, R., Deng, L., Geller, A. M., Xin, Y., Hu, Y. & Faucher-Giguere, C-A., Jan 27 2016, In : Nature. 529, 7587, p. 502-504 3 p.

Research output: Contribution to journalArticle

15 Scopus citations

INTERRUPTED BINARY MASS TRANSFER IN STAR CLUSTERS

Leigh, N. W. C., Geller, A. M. & Toonen, S., Feb 10 2016, In : Astrophysical Journal. 818, 1, 21.

Research output: Contribution to journalArticle

10 Scopus citations

The chaotic four-body problem in Newtonian gravity -I. Identical point-particles

Leigh, N. W. C., Stone, N. C., Geller, A. M., Shara, M. M., Muddu, H., Solano-Oropeza, D. & Thomas, Y., Jan 1 2016, In : Monthly Notices of the Royal Astronomical Society. 463, 3, p. 3311-3325 15 p.

Research output: Contribution to journalArticle

9 Scopus citations

When does a star cluster become a multiple star system?-I. Lifetimes of equal-mass small-N systems

Leigh, N. W. C., Shara, M. M. & Geller, A. M., Jun 21 2016, In : Monthly Notices of the Royal Astronomical Society. 459, 2, p. 1242-1247 6 p.

Research output: Contribution to journalArticle

6 Scopus citations
2015

A HIGHLY ECCENTRIC 3.9 MILLISECOND BINARY PULSAR IN THE GLOBULAR CLUSTER NGC 6652

DeCesar, M. E., Ransom, S. M., Kaplan, D. L., Ray, P. S. & Geller, A. M., Jul 10 2015, In : Astrophysical Journal Letters. 807, 2, L23.

Research output: Contribution to journalArticle

8 Scopus citations

Bayesian investigation of isochrone consistency using the old open cluster NGC 188

Hills, S., Von Hippel, T., Courteau, S. & Geller, A. M., Mar 1 2015, In : Astronomical Journal. 149, 3, 94.

Research output: Contribution to journalArticle

13 Scopus citations

DIFFERENT DYNAMICAL AGES FOR THE TWO YOUNG AND COEVAL LMC STAR CLUSTERS, NGC 1805 AND NGC 1818, IMPRINTED ON THEIR BINARY POPULATIONS

Geller, A. M., De Grijs, R., Li, C. & Hurley, J. R., May 20 2015, In : Astrophysical Journal. 805, 1, 11.

Research output: Contribution to journalArticle

14 Scopus citations

Dynamical processing of stars and planets through star clusters

Geller, A. M., Jan 1 2015, In : Proceedings of Science. 18-20-October-2015, 006.

Research output: Contribution to journalConference article

IMPLICATIONS for the FORMATION of BLUE STRAGGLER STARS from HST ULTRAVIOLET OBSERVATIONS of NGC 188

Gosnell, N. M., Mathieu, R. D., Geller, A. M., Sills, A., Leigh, N. & Knigge, C., Dec 1 2015, In : Astrophysical Journal. 814, 2, 163.

Research output: Contribution to journalArticle

26 Scopus citations

Interrupted stellar encounters in star clusters

Geller, A. M. & Leigh, N. W. C., Jul 20 2015, In : Astrophysical Journal Letters. 808, 1, L25.

Research output: Contribution to journalArticle

18 Scopus citations

On the origins of sub-subgiants: Mass transfer, dynamical encounters, and magnetic fields

Leiner, E. M., Geller, A. M. & Mathieu, R., Jan 1 2015, In : Proceedings of Science. 18-20-October-2015, 032.

Research output: Contribution to journalConference article

Small-N collisional dynamics - II. Roaming the realm of not-so-small-N

Leigh, N. W. C. & Geller, A. M., Apr 10 2015, In : Monthly Notices of the Royal Astronomical Society. 450, 2, p. 1724-1731 8 p.

Research output: Contribution to journalArticle

13 Scopus citations

STELLAR RADIAL VELOCITIES in the OLD OPEN CLUSTER M67 (NGC 2682). I. MEMBERSHIPS, BINARIES, and KINEMATICS

Geller, A. M., Latham, D. W. & Mathieu, R. D., Sep 1 2015, In : Astronomical Journal. 150, 3, 97.

Research output: Contribution to journalArticle

65 Scopus citations

The dynamical importance of binary systems in young massive star clusters

De Grijs, R., Li, C. & Geller, A. M., Jan 1 2015, In : Proceedings of the International Astronomical Union. 12, p. 222-227 6 p.

Research output: Contribution to journalArticle

WIYN OPEN CLUSTER STUDY. LXVI. SPECTROSCOPIC BINARY ORBITS in the YOUNG OPEN CLUSTER M35 (NGC 2168)

Leiner, E. M., Mathieu, R. D., Gosnell, N. M. & Geller, A. M., Jul 1 2015, In : Astronomical Journal. 150, 1, 10.

Research output: Contribution to journalArticle

8 Scopus citations
2014

Detection of white dwarf companions to blue stragglers in the open cluster NGC 188: Direct evidence for recent mass transfer

Gosnell, N. M., Mathieu, R. D., Geller, A. M., Sills, A., Leigh, N. & Knigge, C., Mar 1 2014, In : Astrophysical Journal Letters. 783, 1, L8.

Research output: Contribution to journalArticle

36 Scopus citations

On the coexistence of stellar-mass and intermediate-mass black holes in globular clusters

Leigh, W. C. N., Lützgendorf, N., Geller, A. M., Maccarone, T. J., Heinke, C. & Sesana, A., Jul 26 2014, In : Monthly Notices of the Royal Astronomical Society. 444, 1, p. 29-42 14 p.

Research output: Contribution to journalArticle

35 Scopus citations

WIYN open cluster study. LX. Spectroscopic binary orbits in NGC 6819

Milliman, K. E., Mathieu, R. D., Geller, A. M., Gosnell, N. M., Meibom, S. & Platais, I., Aug 2014, In : Astronomical Journal. 148, 2, 38.

Research output: Contribution to journalArticle

35 Scopus citations
2013

A long-period totally eclipsing binary star at the turnoff of the open cluster NGC 6819 discovered with Kepler

Sandquist, E. L., Mathieu, R. D., Brogaard, K., Meibom, S., Geller, A. M., Orosz, J. A., Milliman, K. E., Jeffries, M. W., Brewer, L. N., Platais, I., Grundahl, F., Bruntt, H., Frandsen, S. & Stello, D., Jan 1 2013, In : Astrophysical Journal. 762, 1, 58.

Research output: Contribution to journalArticle

32 Scopus citations

Consequences of dynamical disruption and mass segregation for the binary frequencies of star clusters

Geller, A. M., De Grijs, R., Li, C. & Hurley, J. R., Dec 10 2013, In : Astrophysical Journal. 779, 1, 30.

Research output: Contribution to journalArticle

21 Scopus citations
51 Scopus citations

Multiplicity of cool dwarfs

Dupuy, T. J., Allen, P. R., Kraus, A. L., Biler, B., Blake, C. H., Davison, C., Deacon, N. R., Duchêne, G., Geller, A. M., King, R. R., Law, N. M., Nguyen, D. C., Reipurth, B., Winters, J. G. & Zhang, Z. H., Feb 2013, In : Astronomische Nachrichten. 334, 1-2, p. 36-39 4 p.

Research output: Contribution to journalArticle

1 Scopus citations

The dynamical significance of triple star systems in star clusters

Leigh, N. W. C. & Geller, A. M., Jun 1 2013, In : Monthly Notices of the Royal Astronomical Society. 432, 3, p. 2474-2479 6 p.

Research output: Contribution to journalArticle

31 Scopus citations

WOCS 40007: A detached eclipsing binary near the turnoff of the open cluster NGC 6819

Jeffries, M. W., Sandquist, E. L., Mathieu, R. D., Geller, A. M., Orosz, J. A., Milliman, K. E., Brewer, L. N., Platais, I., Brogaard, K., Grundahl, F., Frandsen, S., Dotter, A. & Stello, D., Sep 1 2013, In : Astronomical Journal. 146, 3, 58.

Research output: Contribution to journalArticle

27 Scopus citations
2012

An unexpected discovery in the rich open cluster ngc6819 using XMM-Newton

Gosnell, N. M., Pooley, D., Geller, A. M., Kalirai, J., Mathieu, R. D., Frinchaboy, P. & Ramirez-Ruiz, E., Jan 20 2012, In : Astrophysical Journal. 745, 1, 57.

Research output: Contribution to journalArticle

15 Scopus citations

Planets in open clusters detectable by Kepler

Chatterjee, S., Ford, E. B., Geller, A. M. & Rasio, F. A., Dec 1 2012, In : Monthly Notices of the Royal Astronomical Society. 427, 2, p. 1587-1602 16 p.

Research output: Contribution to journalArticle

9 Scopus citations

Small-N collisional dynamics: Pushing into the realm of not-so-small N

Leigh, N. & Geller, A. M., Sep 21 2012, In : Monthly Notices of the Royal Astronomical Society. 425, 3, p. 2369-2377 9 p.

Research output: Contribution to journalArticle

26 Scopus citations

Wiyn open cluster study. XLVIII. the hard-binary population of NGC188

Geller, A. M. & Mathieu, R. D., Aug 1 2012, In : Astronomical Journal. 144, 2, 54.

Research output: Contribution to journalReview article

47 Scopus citations
2011

A mass transfer origin for blue stragglers in NGC 188 as revealed by half-solar-mass companions

Geller, A. M. & Mathieu, R. D., Oct 20 2011, In : Nature. 478, 7369, p. 356-359 4 p.

Research output: Contribution to journalArticle

58 Scopus citations
2010

WIYN open cluster study. XXXVIII. stellar radial velocities in the young open cluster M35 (NGC 2168)

Geller, A. M., Mathieu, R. D., Braden, E. K., Meibom, S., Platais, I. & Dolan, C. J., Mar 23 2010, In : Astronomical Journal. 139, 4, p. 1383-1393 11 p.

Research output: Contribution to journalArticle

35 Scopus citations
2009

A binary star fraction of 76 per cent and unusual orbit parameters for the blue stragglers of NGC 188

Mathieu, R. D. & Geller, A. M., Dec 24 2009, In : Nature. 462, 7276, p. 1032-1035 4 p.

Research output: Contribution to journalArticle

74 Scopus citations