The COMPLETE Survey Naomi A. Ridge Harvard-Smithsonian Center for - - PowerPoint PPT Presentation

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The COMPLETE Survey Naomi A. Ridge Harvard-Smithsonian Center for - - PowerPoint PPT Presentation

Jan 30, 2023 205 likes •392 views

The COMPLETE Survey Naomi A. Ridge Harvard-Smithsonian Center for Astrophysics http://cfa-www.harvard.edu/COMPLETE The Elements of COMPLETE COMPLETE covers the 3 northern c2d regions: Perseus, Ophiuchus and Serpens. Molecular Line

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SLIDE 1

The COMPLETE Survey

Naomi A. Ridge

Harvard-Smithsonian Center for Astrophysics

http://cfa-www.harvard.edu/COMPLETE

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The Elements of COMPLETE

COMPLETE covers the 3 northern c2d regions: Perseus, Ophiuchus and Serpens.

  • Molecular Line Emission

~10pc scale maps in 12CO and 13CO at FCRAO similar size maps in HI from GBT

  • Thermal Dust Emission

warm dust emission maps from IRAS/ISSA pc scale maps from SCUBA at 850µm

  • Extinction

2MASS/NICER-based extinction maps

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SLIDE 3

Some highlights

  • The Warm Dust Ring in Perseus
  • All column density density tracers are not

equal

  • “Cloudshine”
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SLIDE 4

Some highlights

  • The Warm Dust Ring in Perseus

– Ridge et al. (submitted to ApJ).

  • All column density density tracers are not

equal!

  • “Cloudshine”
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SLIDE 5

COMPLETE/IRAS Ndust

Barnard’s Perseus

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SLIDE 6

Dust Density & Dust Temperature in Perseus

Total Dust Column (0 to 15 mag AV) (Based on 60/100 microns) Dust Temperature (25 to 45 K) (Based on 60/100 microns)

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SLIDE 7

Hot Source in a Warm Shell

+ =

IRAS Column Density IRAS Temperature

Schnee et al. 2005 Ridge et al. 2005

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SLIDE 8

IRAS Ndust

H-α emission,WHAM/SHASSA Surveys (see Finkbeiner 2003)

Hα

2MASS/NICER Extinction

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SLIDE 9

Some highlights

  • The Warm Dust Ring in Perseus
  • All column density density tracers are not

equal

– Schnee et al. (submitted to ApJ), – Goodman, Ridge & Schnee (in prep.)

  • “Cloudshine”
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SLIDE 10

N(IRAS) N(2MASS/NICER) Integrated 13CO

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SLIDE 11

Column Density comparison

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SLIDE 12

Schnee et al. 2005

AV

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SLIDE 13

Some highlights

  • The Warm Dust Ring in Perseus
  • All column density density tracers are not

equal

  • “Cloudshine”

– Foster et al. (ApJL, in prep).

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SLIDE 14

“Red” Outflows & Shining Dust

  • Outflows glowing red with excited hydrogen.
  • Small blue reflection nebula.
  • Ambient starlight reflects off dust density features in this small star-forming

cloud - provides an unprecedented high-resolution view of its complex structure.

Deep near-IR image of L1448 in the southwest corner of Perseus Image size 15’x15’

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SLIDE 15

FLAMINGOS Image of L1448 (Tsujimoto et al.)

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SLIDE 16

Image: JHK Contours: 1.3mm continuum.

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SLIDE 17

Summary

  • COMPLETE provides large scale images
  • f Perseus, Ophiuchus and Serpens in

extinction, thermal emission and molecular lines.

  • Data is freely available from our website:

– http://cfa-www.harvard.edu/COMPLETE/