Search Results - "Anand, Gagandeep S."

Comparing Tip of the Red Giant Branch Distance Scales: An Independent Reduction of the Carnegie-Chicago Hubble Program and the Value of the Hubble Constant by Anand, Gagandeep S., Tully, R. Brent, Rizzi, Luca, Riess, Adam G., Yuan, Wenlong

“…Abstract The tip of the red giant branch has been used to measure distances to 500 nearby galaxies with the Hubble Space Telescope (HST) which are available in…”
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Cosmicflows-4: The Calibration of Optical and Infrared Tully-Fisher Relations by Kourkchi, Ehsan, Tully, R. Brent, Anand, Gagandeep S., Courtois, Hélène M., Dupuy, Alexandra, Neill, James D., Rizzi, Luca, Seibert, Mark

“…This study is a part of the Cosmicflows-4 project with the aim of measuring the distances of more than ∼10,000 spiral galaxies in the local universe up to…”
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JWST Observations Reject Unrecognized Crowding of Cepheid Photometry as an Explanation for the Hubble Tension at 8σ Confidence by Riess, Adam G., Anand, Gagandeep S., Yuan, Wenlong, Casertano, Stefano, Dolphin, Andrew, Macri, Lucas M., Breuval, Louise, Scolnic, Dan, Perrin, Marshall, Anderson, Richard I.

“…Abstract We present high-definition observations with the James Webb Space Telescope (JWST) of >1000 Cepheids in a geometric anchor of the distance ladder, NGC…”
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Cosmicflows-4 by Tully, R. Brent, Kourkchi, Ehsan, Courtois, Hélène M., Anand, Gagandeep S., Blakeslee, John P., Brout, Dillon, Jaeger, Thomas de, Dupuy, Alexandra, Guinet, Daniel, Howlett, Cullan, Jensen, Joseph B., Pomarède, Daniel, Rizzi, Luca, Rubin, David, Said, Khaled, Scolnic, Daniel, Stahl, Benjamin E.

“…Abstract With Cosmicflows- 4, distances are compiled for 55,877 galaxies gathered into 38,065 groups. Eight methodologies are employed, with the largest…”
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Crowded No More: The Accuracy of the Hubble Constant Tested with High-resolution Observations of Cepheids by JWST by Riess, Adam G., Anand, Gagandeep S., Yuan, Wenlong, Casertano, Stefano, Dolphin, Andrew, Macri, Lucas M., Breuval, Louise, Scolnic, Dan, Perrin, Marshall, Anderson, Richard I.

“…Abstract High-resolution James Webb Space Telescope (JWST) observations can test confusion-limited Hubble Space Telescope (HST) observations for a photometric…”
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Reconnaissance with JWST of the J-region Asymptotic Giant Branch in Distance Ladder Galaxies: From Irregular Luminosity Functions to Approximation of the Hubble Constant by Li, Siyang, Riess, Adam G., Casertano, Stefano, Anand, Gagandeep S., Scolnic, Daniel M., Yuan, Wenlong, Breuval, Louise, Huang, Caroline D.

“…Abstract We study stars in the J-regions of the asymptotic giant branch (JAGB) of near-infrared color–magnitude diagrams in the maser host NGC 4258 and four…”
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Small Magellanic Cloud Cepheids Observed with the Hubble Space Telescope Provide a New Anchor for the SH0ES Distance Ladder by Breuval, Louise, Riess, Adam G., Casertano, Stefano, Yuan, Wenlong, Macri, Lucas M., Romaniello, Martino, Murakami, Yukei S., Scolnic, Daniel, Anand, Gagandeep S., Soszyński, Igor

“…Abstract We present phase-corrected photometric measurements of 88 Cepheid variables in the core of the Small Magellanic Cloud (SMC), the first sample obtained…”
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Tip of the Red Giant Branch Distances with JWST: An Absolute Calibration in NGC 4258 and First Applications to Type Ia Supernova Hosts by Anand, Gagandeep S., Riess, Adam G., Yuan, Wenlong, Beaton, Rachael, Casertano, Stefano, Li, Siyang, Makarov, Dmitry I., Makarova, Lidia N., Tully, R. Brent, Anderson, Richard I., Breuval, Louise, Dolphin, Andrew, Karachentsev, Igor D., Macri, Lucas M., Scolnic, Daniel

“…Abstract The tip of the red giant branch (TRGB) allows for the measurement of precise and accurate distances to nearby galaxies based on the brightest ascent…”
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PHANGS–JWST First Results: A Statistical View on Bubble Evolution in NGC 628 by Watkins, Elizabeth J., Barnes, Ashley T., Henny, Kiana, Kim, Hwihyun, Kreckel, Kathryn, Meidt, Sharon E., Klessen, Ralf S., Glover, Simon C. O., Williams, Thomas G., Keller, Benjamin W., Leroy, Adam K., Rosolowsky, Erik, Lee, Janice C., Anand, Gagandeep S., Belfiore, Francesco, Bigiel, Frank, Blanc, Guillermo A., Boquien, Médéric, Cao, Yixian, Chandar, Rupali, Chen, Ness Mayker, Chevance, Mélanie, Congiu, Enrico, Dale, Daniel A., Deger, Sinan, Egorov, Oleg V., Emsellem, Eric, Faesi, Christopher M., Grasha, Kathryn, Groves, Brent, Hassani, Hamid, Henshaw, Jonathan D., Herrera, Cinthya, Hughes, Annie, Jeffreson, Sarah, Jiménez-Donaire, María J., Koch, Eric W., Kruijssen, J. M. Diederik, Larson, Kirsten L., Liu, Daizhong, Lopez, Laura A., Pessa, Ismael, Pety, Jérôme, Querejeta, Miguel, Saito, Toshiki, Sandstrom, Karin, Scheuermann, Fabian, Schinnerer, Eva, Sormani, Mattia C., Stuber, Sophia K., Thilker, David A., Usero, Antonio, Whitmore, Bradley C.

“…Abstract The first JWST observations of nearby galaxies have unveiled a rich population of bubbles that trace the stellar-feedback mechanisms responsible for…”
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Standardized Luminosity of the Tip of the Red Giant Branch Utilizing Multiple Fields in NGC 4258 and the CATs Algorithm by Li, Siyang, Riess, Adam G., Scolnic, Daniel, Anand, Gagandeep S., Wu, Jiaxi, Casertano, Stefano, Yuan, Wenlong, Beaton, Rachael, Anderson, Richard I.

“…Abstract The tip of the red giant branch provides a luminous standard candle for calibrating distance ladders that reach Type Ia supernova (SN Ia) hosts…”
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The TRGB-SBF Project. I. A Tip of the Red Giant Branch Distance to the Fornax Cluster with JWST by Anand, Gagandeep S., Tully, R. Brent, Cohen, Yotam, Makarov, Dmitry I., Makarova, Lidia N., Jensen, Joseph B., Blakeslee, John P., Cantiello, Michele, Kourkchi, Ehsan, Raimondo, Gabriella

“…Abstract Differences between the local value of the Hubble constant measured via the distance ladder versus the value inferred from the cosmic microwave…”
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A Nearby Isolated Dwarf: Star Formation and Structure of ESO 006–001 by Makarova, Lidia N., Tully, R. Brent, Anand, Gagandeep S., Lambert, Trystan S., Sharina, Margarita E., Koribalski, Bärbel S., Kraan-Korteweg, Renée C.

“…Abstract Observations with the Hubble Space Telescope unexpectedly revealed that the dwarf galaxy ESO 006–001 is a near neighbor to the Local Group at a…”
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PHANGS–JWST First Results: The Dust Filament Network of NGC 628 and Its Relation to Star Formation Activity by Thilker, David A., Lee, Janice C., Deger, Sinan, Barnes, Ashley T., Bigiel, Frank, Boquien, Médéric, Cao, Yixian, Chevance, Mélanie, Dale, Daniel A., Egorov, Oleg V., Glover, Simon C. O., Grasha, Kathryn, Henshaw, Jonathan D., Klessen, Ralf S., Koch, Eric, Kruijssen, J. M. Diederik, Leroy, Adam K., Lessing, Ryan A., Meidt, Sharon E., Pinna, Francesca, Querejeta, Miguel, Rosolowsky, Erik, Sandstrom, Karin M., Schinnerer, Eva, Smith, Rowan J., Watkins, Elizabeth J., Williams, Thomas G., Anand, Gagandeep S., Belfiore, Francesco, Blanc, Guillermo A., Chandar, Rupali, Congiu, Enrico, Emsellem, Eric, Groves, Brent, Kreckel, Kathryn, Larson, Kirsten L., Liu, Daizhong, Pessa, Ismael, Whitmore, Bradley C.

“…Abstract PHANGS–JWST mid-infrared (MIR) imaging of nearby spiral galaxies has revealed ubiquitous filaments of dust emission in intricate detail. We present a…”
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PHANGS–JWST First Results: Dust-embedded Star Clusters in NGC 7496 Selected via 3.3 μm PAH Emission by Rodríguez, M. Jimena, Lee, Janice C., Whitmore, B. C., Thilker, David A., Maschmann, Daniel, Chandar, Rupali, Deger, Sinan, Boquien, Médéric, Dale, Daniel A., Larson, Kirsten L., Williams, Thomas G., Kim, Hwihyun, Schinnerer, Eva, Rosolowsky, Erik, Leroy, Adam K., Emsellem, Eric, Sandstrom, Karin M., Kruijssen, J. M. Diederik, Grasha, Kathryn, Watkins, Elizabeth J., Barnes, Ashley. T., Sormani, Mattia C., Kim, Jaeyeon, Anand, Gagandeep S., Chevance, Mélanie, Bigiel, F., Klessen, Ralf S., Hassani, Hamid, Liu, Daizhong, Faesi, Christopher M., Cao, Yixian, Belfiore, Francesco, Pessa, Ismael, Kreckel, Kathryn, Groves, Brent, Pety, Jérôme, Indebetouw, Rémy, Egorov, Oleg V., Blanc, Guillermo A., Saito, Toshiki, Hughes, Annie

“…Abstract The earliest stages of star formation occur enshrouded in dust and are not observable in the optical. Here we leverage the extraordinary new…”
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PHANGS–JWST First Results: Stellar-feedback-driven Excitation and Dissociation of Molecular Gas in the Starburst Ring of NGC 1365? by Liu, Daizhong, Schinnerer, Eva, Cao, Yixian, Leroy, Adam, Usero, Antonio, Rosolowsky, Erik, Kruijssen, J. M. Diederik, Chevance, Mélanie, Glover, Simon C. O., Sormani, Mattia C., Bolatto, Alberto D., Sun, Jiayi, Stuber, Sophia K., Teng, Yu-Hsuan, Bigiel, Frank, Bešlić, Ivana, Grasha, Kathryn, Henshaw, Jonathan D., Barnes, Ashley T., den Brok, Jakob S., Saito, Toshiki, Dale, Daniel A., Watkins, Elizabeth J., Pan, Hsi-An, Klessen, Ralf S., Emsellem, Eric, Anand, Gagandeep S., Deger, Sinan, Egorov, Oleg V., Faesi, Christopher M., Hassani, Hamid, Larson, Kirsten L., Lee, Janice C., Lopez, Laura A., Pety, Jérôme, Sandstrom, Karin, Thilker, David A., Whitmore, Bradley C., Williams, Thomas G.

“…Abstract We compare embedded young massive star clusters (YMCs) to (sub-)millimeter line observations tracing the excitation and dissociation of molecular gas…”
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Distances to PHANGS galaxies: New tip of the red giant branch measurements and adopted distances by Anand, Gagandeep S, Lee, Janice C, Van Dyk, Schuyler D, Leroy, Adam K, Rosolowsky, Erik, Schinnerer, Eva, Larson, Kirsten, Kourkchi, Ehsan, Kreckel, Kathryn, Scheuermann, Fabian, Rizzi, Luca, Thilker, David, Tully, R Brent, Bigiel, Frank, Blanc, Guillermo A, Boquien, Médéric, Chandar, Rupali, Dale, Daniel, Emsellem, Eric, Deger, Sinan, Glover, Simon C O, Grasha, Kathryn, Groves, Brent, S. Klessen, Ralf, Kruijssen, J M Diederik, Querejeta, Miguel, Sánchez-Blázquez, Patricia, Schruba, Andreas, Turner, Jordan, Ubeda, Leonardo, Williams, Thomas G, Whitmore, Brad

“…ABSTRACT PHANGS-HST is an ultraviolet-optical imaging survey of 38 spiral galaxies within ∼20 Mpc. Combined with the PHANGS-ALMA, PHANGS-MUSE surveys and other…”
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The PHANGS-HST Survey: Physics at High Angular Resolution in Nearby Galaxies with the Hubble Space Telescope by Lee, Janice C., Whitmore, Bradley C., Thilker, David A., Deger, Sinan, Larson, Kirsten L., Ubeda, Leonardo, Anand, Gagandeep S., Boquien, Médéric, Chandar, Rupali, Dale, Daniel A., Emsellem, Eric, Leroy, Adam K., Rosolowsky, Erik, Schinnerer, Eva, Schmidt, Judy, Lilly, James, Turner, Jordan, Van Dyk, Schuyler, White, Richard L., Barnes, Ashley T., Belfiore, Francesco, Bigiel, Frank, Blanc, Guillermo A., Cao, Yixian, Chevance, Melanie, Congiu, Enrico, Egorov, Oleg V., Glover, Simon C. O., Grasha, Kathryn, Groves, Brent, Henshaw, Jonathan D., Hughes, Annie, Klessen, Ralf S., Koch, Eric, Kreckel, Kathryn, Kruijssen, J. M. Diederik, Liu, Daizhong, Lopez, Laura A., Mayker, Ness, Meidt, Sharon E., Murphy, Eric J., Pan, Hsi-An, Pety, Jérôme, Querejeta, Miguel, Razza, Alessandro, Saito, Toshiki, Sánchez-Blázquez, Patricia, Santoro, Francesco, Sardone, Amy, Scheuermann, Fabian, Schruba, Andreas, Sun, Jiayi, Usero, Antonio, Watkins, E., Williams, Thomas G.

“…Abstract The PHANGS program is building the first data set to enable the multiphase, multiscale study of star formation across the nearby spiral galaxy…”
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Peculiar Velocities of Galaxies Just Beyond the Local Group by Anand, Gagandeep S., Tully, R. Brent, Rizzi, Luca, Shaya, Edward J., Karachentsev, Igor D.

“…The Milky Way lies in a thin plane, the Local Sheet, a part of a wall bounding the Local Void lying toward the north supergalactic pole. Galaxies with accurate…”
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Late-onset Circumstellar Medium Interactions are Rare: An Unbiased GALEX View of Type Ia Supernovae by Dubay, Liam O., Tucker, Michael A., Do, Aaron, Shappee, Benjamin J., Anand, Gagandeep S.

“…Abstract Using ultraviolet (UV) light curves, we constrain the circumstellar environments of 1080 Type Ia supernovae (SNe Ia) within z < 0.5 from archival…”
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The PHANGS–JWST Treasury Survey: Star Formation, Feedback, and Dust Physics at High Angular Resolution in Nearby GalaxieS by Lee, Janice C., Sandstrom, Karin M., Leroy, Adam K., Thilker, David A., Schinnerer, Eva, Rosolowsky, Erik, Larson, Kirsten L., Egorov, Oleg V., Williams, Thomas G., Schmidt, Judy, Emsellem, Eric, Anand, Gagandeep S., Barnes, Ashley T., Belfiore, Francesco, Bešlić, Ivana, Bigiel, Frank, Blanc, Guillermo A., Bolatto, Alberto D., Boquien, Médéric, Brok, Jakob den, Cao, Yixian, Chandar, Rupali, Chastenet, Jérémy, Chevance, Mélanie, Chiang, I-Da, Congiu, Enrico, Dale, Daniel A., Deger, Sinan, Eibensteiner, Cosima, Faesi, Christopher M., Glover, Simon C. O., Grasha, Kathryn, Groves, Brent, Hassani, Hamid, Henny, Kiana F., Henshaw, Jonathan D., Hoyer, Nils, Hughes, Annie, Jeffreson, Sarah, Jiménez-Donaire, María J., Kim, Jaeyeon, Kim, Hwihyun, Klessen, Ralf S., Koch, Eric W., Kreckel, Kathryn, Kruijssen, J. M. Diederik, Li, Jing, Liu, Daizhong, Lopez, Laura A., Maschmann, Daniel, Chen, Ness Mayker, Meidt, Sharon E., Murphy, Eric J., Neumann, Justus, Neumayer, Nadine, Pan, Hsi-An, Pessa, Ismael, Pety, Jérôme, Querejeta, Miguel, Pinna, Francesca, Rodríguez, M. Jimena, Saito, Toshiki, Sánchez-Blázquez, Patricia, Santoro, Francesco, Sardone, Amy, Smith, Rowan J., Sormani, Mattia C., Scheuermann, Fabian, Stuber, Sophia K., Sutter, Jessica, Sun, Jiayi, Teng, Yu-Hsuan, Treß, Robin G., Usero, Antonio, Watkins, Elizabeth J., Whitmore, Bradley C., Razza, Alessandro

“…Abstract The PHANGS collaboration has been building a reference data set for the multiscale, multiphase study of star formation and the interstellar medium…”
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