• 1160 Citations
20012020

Research output per year

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Research Output

Article

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

76 Scopus citations

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

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

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

59 Scopus citations

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

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

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

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

23 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

2 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 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

37 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., 2019, In : Proceedings of the International Astronomical Union. 14, 351, p. 482-485 4 p.

Research output: Contribution to journalArticle

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

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
51 Scopus citations

Dynamics of the open cluster NGC 188: A comparison to an N-body simulation of M67

Geller, A. M., Mathieu, R. D., Harris, H. C. & McClure, R. D., Sep 2007, In : Proceedings of the International Astronomical Union. 3, S246, p. 111-112 2 p.

Research output: Contribution to journalArticle

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-Giguère, C. A., Jan 27 2016, In : Nature. 529, 7587, p. 502-504 3 p.

Research output: Contribution to journalArticle

16 Scopus citations

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

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

11 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

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

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

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

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

18 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

12 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

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

41 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

Purification and characterization of an L-amino acid deaminase used to prepare unnatural amino acids

Pantaleone, D. P., Geller, A. M. & Taylor, P. P., Jan 22 2001, In : Journal of Molecular Catalysis - B Enzymatic. 11, 4-6, p. 795-803 9 p.

Research output: Contribution to journalArticle

47 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

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

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

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

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

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

67 Scopus citations

Surprising dissimilarities in a newly formed pair of 'identical twin' stars

Stassun, K. G., Mathieu, R. D., Cargile, P. A., Aarnio, A. N., Stempels, E. & Geller, A., Jun 19 2008, In : Nature. 453, 7198, p. 1079-1082 4 p.

Research output: Contribution to journalArticle

38 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

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

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

The dynamical significance of triple star systems in star clusters

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

Research output: Contribution to journalArticle

31 Scopus citations

Tycho: Realistically Simulating Exoplanets within Stellar Clusters. I. Improving the Monte Carlo Approach

Glaser, J. P., McMillan, S. L. W., Geller, A. M., Thornton, J. D. & Giovinazzi, M. R., Sep 2020, In : Astronomical Journal. 160, 3, 126.

Research output: Contribution to journalArticle

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

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

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

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

Wiyn open cluster study. XXIV. Stellar radial-velocity measurements in NGC 6819

Hole, K. T., Geller, A. M., Mathieu, R. D., Platais, I., Meibom, S. & Latham, D. W., 2009, In : Astronomical Journal. 138, 1, p. 159-168 10 p.

Research output: Contribution to journalArticle

66 Scopus citations

Wiyn open cluster study. XXXII. Stellar radial velocities in the old open cluster NGC 188

Geller, A. M., Mathieu, R. D., Harris, H. C. & McClure, R. D., Jun 1 2008, In : Astronomical Journal. 135, 6, p. 2264-2278 15 p.

Research output: Contribution to journalArticle

83 Scopus citations

WIYN open cluster study. XXXVI. Spectroscopic binary orbits in NGC 188

Geller, A. M., Mathieu, R. D., Harris, H. C. & McClure, R. D., Apr 2009, In : Astronomical Journal. 137, 4, p. 3743-3760 18 p.

Research output: Contribution to journalArticle

34 Scopus citations