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ISM group introductory talk

Be442172cc0104d616154522da64db34?s=47 Steve Goldman
February 10, 2020
120

ISM group introductory talk

Be442172cc0104d616154522da64db34?s=128

Steve Goldman

February 10, 2020
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Transcript

  1. Dr. Steve Goldman sgoldman@stsci www.stsci.edu/~sgoldman/

  2. Born: Syracuse, NY Undergrad: St. Lawrence 2009 – 2013 University,

    NY Grad: Keele University, 2013 – 2017 United Kingdom Post-doc: Space Telescope 2017 – Present Science Institute
  3. The effects of metallicity on the dust production, wind dynamics,

    and mass-loss mechanism of Asymptotic Giant Branch stars and Red Supergiants.
  4. Hydrogen Helium Carbon & Oxygen Temperature Luminosity ⇾ 400,000 -

    3 million years Asymptotic Giant Branch Stars Convective Zone Core Radiative zone Core
  5. [Fe/H] Leo P Local Dwarfs SMC LMC M31/Galaxy -1.85 -1.6

    -1.0 -0.5 0.5
  6. 1. Identifying AGBs 2. Measuring AGBs 3. Estimating impact of

    AGBs
  7. Phase I: Identifying AGBs

  8. Identifying Boyer et al. 2011

  9. Identifying Goldman et al. 2019a “DUSTiNGS V: P–L relation” 17

    0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 IRAC magnitude IC 1613: 85859 [3.6] [4.5] = 0.63 mag Color = 43.7 % Period = 501, 215 days Amp = 0.85 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 IRAC magnitude IC 1613: 95038 [3.6] [4.5] = 0.42 mag Color = 19.6 % Period = 318, 118 days Amp = 0.64 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.5 14.0 14.5 15.0 15.5 16.0 16.5 IRAC magnitude IC 1613: 98052 [3.6] [4.5] = 0.44 mag Color = 5.4 % Period = 358, 121 days Amp = 0.65 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude IC 1613: 99923 [3.6] [4.5] = 0.94 mag Color = 5.1 % Period = 501, 301 days Amp = 1.0 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 13.5 14.0 14.5 15.0 15.5 16.0 IRAC magnitude IC 1613: 112075 [3.6] [4.5] = 0.38 mag Color = 14.0 % Period = 425, 337 days Amp = 0.7 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 IRAC magnitude IC 1613: 115947 [3.6] [4.5] = 0.64 mag Color = 6.6 % Period = 309, 117 days Amp = 0.59 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 17.0 IRAC magnitude IC 1613: 122963 [3.6] [4.5] = 0.52 mag Color = 5.1 % Period = 398, 176 days Amp = 0.67 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 IRAC magnitude IC 1613: 132118 [3.6] [4.5] = 0.7 mag Color = 16.0 % Period = 336, 119 days Amp = 0.59 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 15.0 16.0 IRAC magnitude IC 1613: 133754 [3.6] [4.5] = 0.65 mag Color = 4.6 % Period = 425, 129 days Amp = 0.73 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.5 15.0 15.5 16.0 16.5 IRAC magnitude IC 1613: 138007 [3.6] [4.5] = 0.45 mag Color = 32.2 % Period = 318, 272 days Amp = 0.57 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 IRAC magnitude IC 1613: 142830 [3.6] [4.5] = 0.5 mag Color = 11.8 % Period = 395, 127 days Amp = 0.72 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.5 15.0 15.5 16.0 IRAC magnitude IC 1613: 142987 [3.6] [4.5] = 0.34 mag Color = 16.2 % Period = 266, 109 days Amp = 0.42 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 15.0 16.0 17.0 IRAC magnitude IC 1613: 146410 [3.6] [4.5] = 0.61 mag Color = 5.5 % Period = 286, 549 days Amp = 0.8 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude IC 1613: 150816 [3.6] [4.5] = 0.69 mag Color = 5.7 % Period = 478, 309 days Amp = 0.86 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude IC 1613: 178729 [3.6] [4.5] = 0.82 mag Color = 10.0 % Period = 576, 140 days Amp = 0.99 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 15.0 15.2 15.5 15.8 16.0 16.2 16.5 IRAC magnitude NGC 147: 43102 [3.6] [4.5] = 0.2 mag Color = 21.4 % Period = 449, 313 days Amp = 0.32 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 18.0 IRAC magnitude NGC 147: 58163 [3.6] [4.5] = 0.21 mag Color = 23.3 % Period = 684, 588 days Amp = 1.2 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude NGC 147: 68407 [3.6] [4.5] = 0.57 mag Color = 7.9 % Period = 449, 313 days Amp = 0.83 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude NGC 147: 69924 [3.6] [4.5] = 0.51 mag Color = 6.8 % Period = 472, 302 days Amp = 0.95 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude NGC 147: 75039 [3.6] [4.5] = 0.74 mag Color = 6.5 % Period = 533, 136 days Amp = 0.87 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude NGC 147: 103716 [3.6] [4.5] = 0.68 mag Color = 20.2 % Period = 497, 293 days Amp = 0.98 mag Figure A1. continued “DUSTiNGS V: P–L relation” 19 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 17.0 IRAC magnitude NGC 185: 104686 [3.6] [4.5] = 0.24 mag Color = 20.5 % Period = 322, 304 days Amp = 0.64 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 IRAC magnitude NGC 185: 104944 [3.6] [4.5] = 0.7 mag Color = 10.4 % Period = 531, 283 days Amp = 0.85 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 IRAC magnitude NGC 185: 109753 [3.6] [4.5] = 0.4 mag Color = 11.2 % Period = 269, 109 days Amp = 0.6 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 IRAC magnitude NGC 185: 109870 [3.6] [4.5] = 0.8 mag Color = 7.7 % Period = 497, 291 days Amp = 0.83 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 IRAC magnitude NGC 185: 110014 [3.6] [4.5] = 0.52 mag Color = 6.6 % Period = 435, 130 days Amp = 0.81 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.5 14.0 14.5 15.0 15.5 16.0 16.5 IRAC magnitude NGC 185: 110254 [3.6] [4.5] = 0.34 mag Color = 8.0 % Period = 386, 125 days Amp = 0.69 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 13.0 14.0 15.0 16.0 17.0 IRAC magnitude NGC 185: 114153 [3.6] [4.5] = 0.74 mag Color = 7.4 % Period = 497, 295 days Amp = 1.0 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 17.0 IRAC magnitude NGC 185: 131142 [3.6] [4.5] = 0.4 mag Color = 14.1 % Period = 227, 987 days Amp = 0.65 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.5 15.0 15.5 16.0 IRAC magnitude NGC 185: 136723 [3.6] [4.5] = 0.19 mag Color = 32.0 % Period = 347, 396 days Amp = 0.47 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.5 15.0 15.5 16.0 16.5 17.0 IRAC magnitude NGC 185: 146315 [3.6] [4.5] = 0.21 mag Color = 7.9 % Period = 309, 106 days Amp = 0.59 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 15.0 16.0 17.0 18.0 IRAC magnitude Sextans A: 62485 [3.6] [4.5] = 0.68 mag Color = 9.6 % Period = 523, 138 days Amp = 0.85 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 15.0 16.0 17.0 IRAC magnitude Sextans A: 79815 [3.6] [4.5] = 0.38 mag Color = 17.5 % Period = 547, 278 days Amp = 0.9 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 15.0 15.5 16.0 16.5 17.0 IRAC magnitude Sextans A: 86434 [3.6] [4.5] = 0.47 mag Color = 10.6 % Period = 458, 317 days Amp = 0.51 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.5 15.0 15.5 16.0 16.5 17.0 17.5 IRAC magnitude Sextans A: 86559 [3.6] [4.5] = 0.51 mag Color = 9.2 % Period = 577, 442 days Amp = 0.61 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 15.5 16.0 16.5 17.0 17.5 IRAC magnitude Sextans A: 90941 [3.6] [4.5] = 0.46 mag Color = 10.5 % Period = 260, 642 days Amp = 0.45 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.5 15.0 15.5 16.0 16.5 IRAC magnitude Sextans A: 98908 [3.6] [4.5] = 0.45 mag Color = 19.3 % Period = 477, 381 days Amp = 0.57 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 15.0 16.0 17.0 IRAC magnitude WLM: 63794 [3.6] [4.5] = 0.46 mag Color = 11.4 % Period = 479, 134 days Amp = 0.77 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.5 15.0 15.5 16.0 16.5 17.0 IRAC magnitude WLM: 79658 [3.6] [4.5] = 0.42 mag Color = 14.9 % Period = 358, 393 days Amp = 0.56 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 10.0 12.0 14.0 16.0 18.0 IRAC magnitude WLM: 84699 [3.6] [4.5] = 1.4 mag Color = 7.3 % Period = 1063, 158 days Amp = 1.62 mag Highly Evolved 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 14.5 15.0 15.5 16.0 16.5 17.0 IRAC magnitude WLM: 86526 [3.6] [4.5] = 0.52 mag Color = 12.1 % Period = 433, 130 days Amp = 0.68 mag 0.0 0.2 0.4 0.6 0.8 1.0 Phase (normalized) 14.0 15.0 16.0 17.0 IRAC magnitude WLM: 87972 [3.6] [4.5] = 0.6 mag Color = 9.7 % Period = 435, 131 days Amp = 0.85 mag Figure A1. continued
  10. Identifying Boyer et al. 2017 1 2 (µm) F +

    constant F127M F139M F153M 3300 K 2600 K 3300 K 2600 K - M stars - - C stars - – H2 O – – CN+C2 – – CN+C2 –
  11. Goldman et al. 2019b Identifying

  12. Phase II: Measuring AGBs

  13. Measuring Groenewegen et al. 2014

  14. Measuring Wood et al. 1992 Marshall et al. 2004

  15. * Measuring Wood et al. 1992 Marshall et al. 2004

  16. The Dusty Evolved Star Kit DESK Flux ⇾ Wavelength ⇾

    Optical/near-IR IR Measuring
  17. Phase III: Estimating Impact of AGBs

  18. Groenewegen et al. 2014 Goldman et al. 2017 ◻ Galactic

    ◼ Galactic Extreme ◻ LMC Estimating impact
  19. Reimers 1975 Schroder & Cuntz 2005 Baud & Habing 1983

    Zijlstra et al. 1996 van Loon 2005 Estimating impact Goldman et al. 2017
  20. Metal-rich preliminary results

  21. Andromeda (M31) Goldman et al. in prep.

  22. Andromeda (M31) Goldman et al. in prep.

  23. Galactic Bulge Goldman et al. in prep. 0.4 0.6 0.8

    1.0 1.2 1.4 1.6 logλ (µm) −14.0 −13.5 −13.0 −12.5 −12.0 −11.5 −11.0 −10.5 logλFλ (W m−2) IRAS 17351–3429
  24. [Fe/H] Leo P Local Dwarfs SMC LMC M31/Galaxy -1.85 -1.6

    -1.0 -0.5 0.5 1) Identifying 2) Measuring 3) Estimating contribution
  25. None