Allison Youngblood

Allison Youngblood

  • Rsch AST, Stlr Galctic&Xtrgltc Astr
  • NASA/GSFC
  • Mail Code: 667
  • Employer: NASA
  • Research Interests

    Exoplanets and their host stars

    Stellar Activity

    Star and planet formation

    Positions/Employment

    7/2021 - Present

    Research Astrophysicist

    NASA Goddard Space Flight Center, Greenbelt, MD
    10/2019 - 7/2021

    Research Scientist II

    LASP / University of Colorado, Boulder, CO
    9/2017 - 9/2019

    NASA Postdoctoral Program Fellow

    Goddard Space Flight Center, Greenbelt, MD
    5/2017 - 9/2017

    Research Scientist I

    LASP / University of Colorado, Boulder, CO

    Education

    Ph.D. in Astrophysical & Planetary Sciences from University of Colorado Boulder, 2017
    Thesis: Star Formation and Planets in Harsh Environments

    M.S. in Astrophysical & Planetary Sciences from University of Colorado Boulder, 2012

    B.A. in Astrophysics from Wellesley College, 2010

    Professional Societies

    American Astronomical Society, 2010 - Present

    Publications

    Refereed

    Youngblood, A., J. S. Pineda, T. Ayres, et al. K. France, J. L. Linsky, B. E. Wood, S. Redfield, and J. E. Schlieder. 2022. "Intrinsic Lyα Profiles of High-velocity G, K, and M Dwarfs." The Astrophysical Journal, 926 (2): 129 [10.3847/1538-4357/ac4711]

    Paudel, R. R., T. Barclay, J. E. Schlieder, et al. E. V. Quintana, E. A. Gilbert, L. D. Vega, A. Youngblood, M. Silverstein, R. A. Osten, M. A. Tucker, D. Huber, A. Do, K. Hamaguchi, D. J. Mullan, J. E. Gizis, T. A. Monsue, K. D. Colón, P. T. Boyd, J. R. Davenport, and L. Walkowicz. 2021. "Simultaneous Multiwavelength Flare Observations of EV Lacertae." The Astrophysical Journal, 922 (1): 31 [10.3847/1538-4357/ac1946]

    Melbourne, K., A. Youngblood, K. France, et al. C. Froning, J. S. Pineda, E. L. Shkolnik, D. J. Wilson, B. E. Wood, S. Basu, A. Roberge, J. E. Schlieder, P. W. Cauley, R. P. Loyd, E. R. Newton, A. Schneider, N. Arulanantham, Z. Berta-Thompson, A. Brown, A. P. Buccino, E. Kempton, J. L. Linsky, S. E. Logsdon, P. Mauas, I. Pagano, S. Peacock, S. Redfield, S. Rugheimer, P. C. Schneider, D. Teal, F. Tian, D. Tilipman, and M. Vieytes. 2020. "Estimating the Ultraviolet Emission of M Dwarfs with Exoplanets from Ca II and Hensuremathalpha." The Astronomical Journal, 160 (6): 269 [10.3847/1538-3881/abbf5c]

    Gilbert, E. A., T. Barclay, J. E. Schlieder, et al. E. V. Quintana, B. J. Hord, V. B. Kostov, E. D. Lopez, J. F. Rowe, K. Hoffman, L. M. Walkowicz, M. L. Silverstein, J. E. Rodriguez, A. Vanderburg, G. Suissa, V. S. Airapetian, M. S. Clement, S. N. Raymond, A. W. Mann, E. Kruse, J. J. Lissauer, K. D. Colón, R. K. Kopparapu, L. Kreidberg, S. Zieba, K. A. Collins, S. N. Quinn, S. B. Howell, C. Ziegler, E. H. Vrijmoet, F. C. Adams, G. N. Arney, P. T. Boyd, J. Brande, C. J. Burke, L. Cacciapuoti, Q. Chance, J. L. Christiansen, G. Covone, T. Daylan, D. Dineen, C. D. Dressing, Z. Essack, T. J. Fauchez, B. Galgano, A. R. Howe, L. Kaltenegger, S. R. Kane, C. Lam, E. J. Lee, N. K. Lewis, S. E. Logsdon, A. M. Mandell, T. Monsue, F. Mullally, S. E. Mullally, R. R. Paudel, D. Pidhorodetska, P. Plavchan, N. T. Reyes, S. A. Rinehart, B. Rojas-Ayala, J. C. Smith, K. G. Stassun, P. Tenenbaum, L. D. Vega, G. L. Villanueva, E. T. Wolf, A. Youngblood, G. R. Ricker, R. K. Vanderspek, D. W. Latham, S. Seager, J. N. Winn, J. M. Jenkins, G. Bakos, C. Briceño, D. R. Ciardi, R. Cloutier, D. M. Conti, A. Couperus, M. Di Sora, N. L. Eisner, M. E. Everett, T. Gan, J. D. Hartman, T. Henry, G. Isopi, W.-C. Jao, E. L. Jensen, N. Law, F. Mallia, R. A. Matson, B. J. Shappee, M. Le Wood, and J. G. Winters. 2020. "The First Habitable-zone Earth-sized Planet from TESS. I. Validation of the TOI-700 System." The Astronomical Journal, 160 (3): 116 [10.3847/1538-3881/aba4b2]

    Youngblood, A., G. N. Arney, A. García Muñoz, et al. J. T. Stocke, K. France, and A. Roberge. 2020. "The Hubble Space Telescope's Near-UV and Optical Transmission Spectrum of Earth as an Exoplanet." The Astronomical Journal, 160 (3): 100 [10.3847/1538-3881/aba0b4]

    Kostov, V. B., J. E. Schlieder, T. Barclay, et al. E. V. Quintana, K. D. Colón, J. Brande, K. A. Collins, A. D. Feinstein, S. Hadden, S. R. Kane, L. Kreidberg, E. Kruse, C. Lam, E. Matthews, B. T. Montet, F. J. Pozuelos, K. G. Stassun, J. G. Winters, G. Ricker, R. Vanderspek, D. Latham, S. Seager, J. Winn, J. M. Jenkins, D. Afanasev, J. J. Armstrong, G. Arney, P. Boyd, G. Barentsen, K. Barkaoui, N. E. Batalha, C. Beichman, D. Bayliss, C. Burke, A. Burdanov, L. Cacciapuoti, A. Carson, D. Charbonneau, J. Christiansen, D. Ciardi, M. Clampin, K. I. Collins, D. M. Conti, J. Coughlin, G. Covone, I. Crossfield, L. Delrez, S. Domagal-Goldman, C. Dressing, E. Ducrot, Z. Essack, M. E. Everett, T. Fauchez, D. Foreman-Mackey, T. Gan, E. Gilbert, M. Gillon, E. Gonzales, A. Hamann, C. Hedges, H. Hocutt, K. Hoffman, E. P. Horch, K. Horne, S. Howell, S. Hynes, M. Ireland, J. M. Irwin, G. Isopi, E. L. Jensen, E. Jehin, L. Kaltenegger, J. F. Kielkopf, R. Kopparapu, N. Lewis, E. Lopez, J. J. Lissauer, A. W. Mann, F. Mallia, A. Mandell, R. A. Matson, T. Mazeh, T. Monsue, S. E. Moran, V. Moran, C. V. Morley, B. Morris, P. Muirhead, K. Mukai, S. Mullally, F. Mullally, C. Murray, N. Narita, E. Palle, D. Pidhorodetska, D. Quinn, H. Relles, S. Rinehart, M. Ritsko, J. E. Rodriguez, P. Rowden, J. F. Rowe, D. Sebastian, R. Sefako, S. Shahaf, A. Shporer, N. T. Reyes, P. Tenenbaum, E. B. Ting, J. D. Twicken, G. T. van Belle, L. Vega, J. Volosin, L. M. Walkowicz, and A. Youngblood. 2019. "The L 98-59 System: Three Transiting, Terrestrial-size Planets Orbiting a Nearby M Dwarf." The Astronomical Journal, 158 (1): 32 [10.3847/1538-3881/ab2459]

    Youngblood, A., K. France, A. Ginsburg, K. Hoadley, and J. Bally. 2018. "The Orion fingers: H2 temperatures and excitation in an explosive outflow." Astrophysical Journal, 857: 7 [https://doi.org/10.3847/1538-4357/aab4f4]

    Kruczek, N., K. France, W. Evonosky, et al. R. O. Loyd, A. Youngblood, A. Roberge, R. A. Wittenmyer, J. T. Stocke, B. Fleming, and K. Hoadley. 2017. "H2 Fluorescence in M Dwarf Systems: A Stellar Origin." The Astrophysical Journal, 845 (1): 3 [10.3847/1538-4357/aa7b79]

    Youngblood, A., K. France, R. O. Loyd, et al. A. Brown, J. P. Mason, P. C. Schneider, M. A. Tilley, Z. K. Berta-Thompson, A. Buccino, C. S. Froning, S. L. Hawley, J. Linsky, P. J. Mauas, S. Redfield, A. Kowalski, Y. Miguel, E. R. Newton, S. Rugheimer, A. Segura, A. Roberge, and M. Vieytes. 2017. "The MUSCLES Treasury Survey. IV. Scaling Relations for Ultraviolet, Ca II K, and Energetic Particle Fluxes from M Dwarfs." The Astrophysical Journal, 843 (1): 31 [10.3847/1538-4357/aa76dd]

    Fossati, L., S. E. Marcelja, D. Staab, et al. P. E. Cubillos, K. France, C. A. Haswell, S. Ingrassia, J. S. Jenkins, T. Koskinen, A. F. Lanza, S. Redfield, A. Youngblood, and G. Pelzmann. 2017. "The effect of ISM absorption on stellar activity measurements and its relevance for exoplanet studies." Astronomy & Astrophysics, 601: A104 [10.1051/0004-6361/201630339]

    Bally, J., A. Ginsburg, H. Arce, et al. J. Eisner, A. Youngblood, L. Zapata, and H. Zinnecker. 2017. "The ALMA View of the OMC1 Explosion in Orion." The Astrophysical Journal, 837 (1): 60 [10.3847/1538-4357/aa5c8b]

    P. Loyd, R. O., K. France, A. Youngblood, et al. C. Schneider, A. Brown, R. Hu, J. Linsky, C. S. Froning, S. Redfield, S. Rugheimer, and F. Tian. 2016. "THE MUSCLES TREASURY SURVEY. III. X-RAY TO INFRARED SPECTRA OF 11 M AND K STARS HOSTING PLANETS." The Astrophysical Journal, 824 (2): 102 [10.3847/0004-637x/824/2/102]

    Youngblood, A., K. France, R. O. Loyd, et al. J. L. Linsky, S. Redfield, P. C. Schneider, B. E. Wood, A. Brown, C. Froning, Y. Miguel, S. Rugheimer, and L. Walkowicz. 2016. "THE MUSCLES TREASURY SURVEY. II. INTRINSIC LYαAND EXTREME ULTRAVIOLET SPECTRA OF K AND M DWARFS WITH EXOPLANETS." The Astrophysical Journal, 824 (2): 101 [10.3847/0004-637x/824/2/101]

    Youngblood, A., A. Ginsburg, and J. Bally. 2016. "THE ORION FINGERS: NEAR-IR SPECTRAL IMAGING OF AN EXPLOSIVE OUTFLOW." The Astronomical Journal, 151 (6): 173 [10.3847/0004-6256/151/6/173]

    France, K., R. O. Loyd, A. Youngblood, et al. A. Brown, P. C. Schneider, S. L. Hawley, C. S. Froning, J. L. Linsky, A. Roberge, A. P. Buccino, J. R. Davenport, J. M. Fontenla, L. Kaltenegger, A. F. Kowalski, P. J. Mauas, Y. Miguel, S. Redfield, S. Rugheimer, F. Tian, M. C. Vieytes, L. M. Walkowicz, and K. L. Weisenburger. 2016. "THE MUSCLES TREASURY SURVEY. I. MOTIVATION AND OVERVIEW." The Astrophysical Journal, 820 (2): 89 [10.3847/0004-637x/820/2/89]

    Bally, J., A. Ginsburg, D. Silvia, and A. Youngblood. 2015. "The Orion fingers: Near-IR adaptive optics imaging of an explosive protostellar outflow." Astronomy & Astrophysics, 579: A130 [10.1051/0004-6361/201425073]

    Ginsburg, A., J. Bally, C. Battersby, et al. A. Youngblood, J. Darling, E. Rosolowsky, H. Arce, and M. E. Santos. 2015. "The dense gas mass fraction in the W51 cloud and its protoclusters." Astronomy & Astrophysics, 573: A106 [10.1051/0004-6361/201424979]

    Bally, J., A. Youngblood, and A. Ginsburg. 2012. "THE SPINDLE: AN IRRADIATED DISK AND BENT PROTOSTELLAR JET IN ORION." The Astrophysical Journal, 756 (2): 137 [10.1088/0004-637x/756/2/137]

    Publications

    Refereed

    Youngblood, A., J. S. Pineda, T. Ayres, et al. K. France, J. L. Linsky, B. E. Wood, S. Redfield, and J. E. Schlieder. 2022. "Intrinsic Lyα Profiles of High-velocity G, K, and M Dwarfs." The Astrophysical Journal 926 (2): 129 [10.3847/1538-4357/ac4711]

    Paudel, R. R., T. Barclay, J. E. Schlieder, et al. E. V. Quintana, E. A. Gilbert, L. D. Vega, A. Youngblood, M. Silverstein, R. A. Osten, M. A. Tucker, D. Huber, A. Do, K. Hamaguchi, D. J. Mullan, J. E. Gizis, T. A. Monsue, K. D. Colón, P. T. Boyd, J. R. Davenport, and L. Walkowicz. 2021. "Simultaneous Multiwavelength Flare Observations of EV Lacertae." The Astrophysical Journal 922 (1): 31 [10.3847/1538-4357/ac1946]

    Melbourne, K., A. Youngblood, K. France, et al. C. Froning, J. S. Pineda, E. L. Shkolnik, D. J. Wilson, B. E. Wood, S. Basu, A. Roberge, J. E. Schlieder, P. W. Cauley, R. P. Loyd, E. R. Newton, A. Schneider, N. Arulanantham, Z. Berta-Thompson, A. Brown, A. P. Buccino, E. Kempton, J. L. Linsky, S. E. Logsdon, P. Mauas, I. Pagano, S. Peacock, S. Redfield, S. Rugheimer, P. C. Schneider, D. Teal, F. Tian, D. Tilipman, and M. Vieytes. 2020. "Estimating the Ultraviolet Emission of M Dwarfs with Exoplanets from Ca II and Hensuremathalpha." The Astronomical Journal 160 (6): 269 [10.3847/1538-3881/abbf5c]

    Gilbert, E. A., T. Barclay, J. E. Schlieder, et al. E. V. Quintana, B. J. Hord, V. B. Kostov, E. D. Lopez, J. F. Rowe, K. Hoffman, L. M. Walkowicz, M. L. Silverstein, J. E. Rodriguez, A. Vanderburg, G. Suissa, V. S. Airapetian, M. S. Clement, S. N. Raymond, A. W. Mann, E. Kruse, J. J. Lissauer, K. D. Colón, R. K. Kopparapu, L. Kreidberg, S. Zieba, K. A. Collins, S. N. Quinn, S. B. Howell, C. Ziegler, E. H. Vrijmoet, F. C. Adams, G. N. Arney, P. T. Boyd, J. Brande, C. J. Burke, L. Cacciapuoti, Q. Chance, J. L. Christiansen, G. Covone, T. Daylan, D. Dineen, C. D. Dressing, Z. Essack, T. J. Fauchez, B. Galgano, A. R. Howe, L. Kaltenegger, S. R. Kane, C. Lam, E. J. Lee, N. K. Lewis, S. E. Logsdon, A. M. Mandell, T. Monsue, F. Mullally, S. E. Mullally, R. R. Paudel, D. Pidhorodetska, P. Plavchan, N. T. Reyes, S. A. Rinehart, B. Rojas-Ayala, J. C. Smith, K. G. Stassun, P. Tenenbaum, L. D. Vega, G. L. Villanueva, E. T. Wolf, A. Youngblood, G. R. Ricker, R. K. Vanderspek, D. W. Latham, S. Seager, J. N. Winn, J. M. Jenkins, G. Bakos, C. Briceño, D. R. Ciardi, R. Cloutier, D. M. Conti, A. Couperus, M. Di Sora, N. L. Eisner, M. E. Everett, T. Gan, J. D. Hartman, T. Henry, G. Isopi, W.-C. Jao, E. L. Jensen, N. Law, F. Mallia, R. A. Matson, B. J. Shappee, M. Le Wood, and J. G. Winters. 2020. "The First Habitable-zone Earth-sized Planet from TESS. I. Validation of the TOI-700 System." The Astronomical Journal 160 (3): 116 [10.3847/1538-3881/aba4b2]

    Youngblood, A., G. N. Arney, A. García Muñoz, et al. J. T. Stocke, K. France, and A. Roberge. 2020. "The Hubble Space Telescope's Near-UV and Optical Transmission Spectrum of Earth as an Exoplanet." The Astronomical Journal 160 (3): 100 [10.3847/1538-3881/aba0b4]

    Kostov, V. B., J. E. Schlieder, T. Barclay, et al. E. V. Quintana, K. D. Colón, J. Brande, K. A. Collins, A. D. Feinstein, S. Hadden, S. R. Kane, L. Kreidberg, E. Kruse, C. Lam, E. Matthews, B. T. Montet, F. J. Pozuelos, K. G. Stassun, J. G. Winters, G. Ricker, R. Vanderspek, D. Latham, S. Seager, J. Winn, J. M. Jenkins, D. Afanasev, J. J. Armstrong, G. Arney, P. Boyd, G. Barentsen, K. Barkaoui, N. E. Batalha, C. Beichman, D. Bayliss, C. Burke, A. Burdanov, L. Cacciapuoti, A. Carson, D. Charbonneau, J. Christiansen, D. Ciardi, M. Clampin, K. I. Collins, D. M. Conti, J. Coughlin, G. Covone, I. Crossfield, L. Delrez, S. Domagal-Goldman, C. Dressing, E. Ducrot, Z. Essack, M. E. Everett, T. Fauchez, D. Foreman-Mackey, T. Gan, E. Gilbert, M. Gillon, E. Gonzales, A. Hamann, C. Hedges, H. Hocutt, K. Hoffman, E. P. Horch, K. Horne, S. Howell, S. Hynes, M. Ireland, J. M. Irwin, G. Isopi, E. L. Jensen, E. Jehin, L. Kaltenegger, J. F. Kielkopf, R. Kopparapu, N. Lewis, E. Lopez, J. J. Lissauer, A. W. Mann, F. Mallia, A. Mandell, R. A. Matson, T. Mazeh, T. Monsue, S. E. Moran, V. Moran, C. V. Morley, B. Morris, P. Muirhead, K. Mukai, S. Mullally, F. Mullally, C. Murray, N. Narita, E. Palle, D. Pidhorodetska, D. Quinn, H. Relles, S. Rinehart, M. Ritsko, J. E. Rodriguez, P. Rowden, J. F. Rowe, D. Sebastian, R. Sefako, S. Shahaf, A. Shporer, N. T. Reyes, P. Tenenbaum, E. B. Ting, J. D. Twicken, G. T. van Belle, L. Vega, J. Volosin, L. M. Walkowicz, and A. Youngblood. 2019. "The L 98-59 System: Three Transiting, Terrestrial-size Planets Orbiting a Nearby M Dwarf." The Astronomical Journal 158 (1): 32 [10.3847/1538-3881/ab2459]

    Youngblood, A., K. France, A. Ginsburg, K. Hoadley, and J. Bally. 2018. "The Orion fingers: H2 temperatures and excitation in an explosive outflow." Astrophysical Journal 857 7 [https://doi.org/10.3847/1538-4357/aab4f4]

    Kruczek, N., K. France, W. Evonosky, et al. R. O. Loyd, A. Youngblood, A. Roberge, R. A. Wittenmyer, J. T. Stocke, B. Fleming, and K. Hoadley. 2017. "H2 Fluorescence in M Dwarf Systems: A Stellar Origin." The Astrophysical Journal 845 (1): 3 [10.3847/1538-4357/aa7b79]

    Youngblood, A., K. France, R. O. Loyd, et al. A. Brown, J. P. Mason, P. C. Schneider, M. A. Tilley, Z. K. Berta-Thompson, A. Buccino, C. S. Froning, S. L. Hawley, J. Linsky, P. J. Mauas, S. Redfield, A. Kowalski, Y. Miguel, E. R. Newton, S. Rugheimer, A. Segura, A. Roberge, and M. Vieytes. 2017. "The MUSCLES Treasury Survey. IV. Scaling Relations for Ultraviolet, Ca II K, and Energetic Particle Fluxes from M Dwarfs." The Astrophysical Journal 843 (1): 31 [10.3847/1538-4357/aa76dd]

    Fossati, L., S. E. Marcelja, D. Staab, et al. P. E. Cubillos, K. France, C. A. Haswell, S. Ingrassia, J. S. Jenkins, T. Koskinen, A. F. Lanza, S. Redfield, A. Youngblood, and G. Pelzmann. 2017. "The effect of ISM absorption on stellar activity measurements and its relevance for exoplanet studies." Astronomy & Astrophysics 601 A104 [10.1051/0004-6361/201630339]

    Bally, J., A. Ginsburg, H. Arce, et al. J. Eisner, A. Youngblood, L. Zapata, and H. Zinnecker. 2017. "The ALMA View of the OMC1 Explosion in Orion." The Astrophysical Journal 837 (1): 60 [10.3847/1538-4357/aa5c8b]

    P. Loyd, R. O., K. France, A. Youngblood, et al. C. Schneider, A. Brown, R. Hu, J. Linsky, C. S. Froning, S. Redfield, S. Rugheimer, and F. Tian. 2016. "THE MUSCLES TREASURY SURVEY. III. X-RAY TO INFRARED SPECTRA OF 11 M AND K STARS HOSTING PLANETS." The Astrophysical Journal 824 (2): 102 [10.3847/0004-637x/824/2/102]

    Youngblood, A., K. France, R. O. Loyd, et al. J. L. Linsky, S. Redfield, P. C. Schneider, B. E. Wood, A. Brown, C. Froning, Y. Miguel, S. Rugheimer, and L. Walkowicz. 2016. "THE MUSCLES TREASURY SURVEY. II. INTRINSIC LYαAND EXTREME ULTRAVIOLET SPECTRA OF K AND M DWARFS WITH EXOPLANETS." The Astrophysical Journal 824 (2): 101 [10.3847/0004-637x/824/2/101]

    Youngblood, A., A. Ginsburg, and J. Bally. 2016. "THE ORION FINGERS: NEAR-IR SPECTRAL IMAGING OF AN EXPLOSIVE OUTFLOW." The Astronomical Journal 151 (6): 173 [10.3847/0004-6256/151/6/173]

    France, K., R. O. Loyd, A. Youngblood, et al. A. Brown, P. C. Schneider, S. L. Hawley, C. S. Froning, J. L. Linsky, A. Roberge, A. P. Buccino, J. R. Davenport, J. M. Fontenla, L. Kaltenegger, A. F. Kowalski, P. J. Mauas, Y. Miguel, S. Redfield, S. Rugheimer, F. Tian, M. C. Vieytes, L. M. Walkowicz, and K. L. Weisenburger. 2016. "THE MUSCLES TREASURY SURVEY. I. MOTIVATION AND OVERVIEW." The Astrophysical Journal 820 (2): 89 [10.3847/0004-637x/820/2/89]

    Bally, J., A. Ginsburg, D. Silvia, and A. Youngblood. 2015. "The Orion fingers: Near-IR adaptive optics imaging of an explosive protostellar outflow." Astronomy & Astrophysics 579 A130 [10.1051/0004-6361/201425073]

    Ginsburg, A., J. Bally, C. Battersby, et al. A. Youngblood, J. Darling, E. Rosolowsky, H. Arce, and M. E. Santos. 2015. "The dense gas mass fraction in the W51 cloud and its protoclusters." Astronomy & Astrophysics 573 A106 [10.1051/0004-6361/201424979]

    Bally, J., A. Youngblood, and A. Ginsburg. 2012. "THE SPINDLE: AN IRRADIATED DISK AND BENT PROTOSTELLAR JET IN ORION." The Astrophysical Journal 756 (2): 137 [10.1088/0004-637x/756/2/137]

                                                                                                                                                                                            
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