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SR 21

RA (J2000)
DEC (J2000)
R band (mag)
Distance (pc)
Disk Diameter (")
Disk Diameter (AU)
How Well Resolved
At ref. wavelength (micron)
# References
16 27 10.11-24 19 14.7TT G31401.41966012Andrews, S.M., & Williams, J.P., 2007, ApJ, 659, 7050.688017



Resolved Images of Large Cavities in Protoplanetary Transition Disks
Andrews, S.M. et al. 2011 Ap.J. 732 42
Protoplanetary Disk Structures in Ophiuchus. II. Extension to Fainter Sources
Andrews, S.M., Wilner, D.J., Hughes, A.M., Qi, C., and Dullemond, C.P. 2010 Ap.J. 723 1241
Dust grain growth in rho Ophiuchi protoplanetary disks
Ricci, L. et al. 2010 A.&A. 521 66
3 mm continuum flux 
Spatially Resolved Mid-Infrared Imaging of the SR 21 Transition Disk
Eisner, J. A., Monnier, J. D., Tuthill, P., Lacour, S., 2009, ApJ, 698, 169
High-resolution 5 micron Spectroscopy of Transitional Disks
Salyk, C., Blake, G. A., Boogert, A. C. A., Brown, J. M., 2009, ApJ, 699, 330
The nature of the class I population in Ophiuchus as revealed through gas and dust mapping.
Van Kempen T.A., Van Dishoeck E.F., Salter D.M., Hogerheijde M.R., Jorgensen J.K. and Boogert A.C.A., 2009, A&A, 498, 167
Spectroastrometric imaging of molecular gas within protoplanetary disk gaps.
Pontoppidan, Klaus M., Blake, Geoffrey A., van Dishoeck, Ewine F., Smette, Alain, Ireland, Michael J., Brown, Joanna, 2008, ApJ, 684, 1323
The Evolution of Circumstellar Disks in Ophiuchus Binaries
Patience, J., Akeson, R. L., Jensen, E. L. N., 2008, ApJ, 677, 616
High-Resolution submillimeter constraints on circumstellar disk structure
*Andrews, S.M., & Williams, J.P., 2007, ApJ, 659, 705
Cold Disks: Spitzer spectroscopy of disks around young stars with large gaps
Brown, J.M., Blake, G.A., Dullemond, C.P., Merin, B., et al.,2007, ApJ, 664, L107
C2d spitzer IRS spectra of disks around T Tauri stars. III. [Ne II], [Fe I], and H2 gas-phase lines
Lahuis, F., van Dishoeck, E.F., Blake, G.A., Evans, N.J., II et al., 2007, ApJ, 665, 492
C2d Spitzer IRS spectra of disks around T Tauri stars. I. Silicate emission and grain growth
Kessler-Silacci, J., Augereau, J.-C., Dullemond, C.P., Geers, V., Lahuis, F., et al., 2006, ApJ, 639, 275
Investigating Disk Evolution: A High Spatial Resolution Mid-Infrared Survey of T Tauri Stars
McCabe, C., Ghez, A. M., Prato, L., Duchene, G., Fisher, R. S., Telesco, C., 2006, ApJ, 636, 932
A Mid-Infrared Imaging Survey of Embedded Young Stellar Objects in the rho Ophiuchi Cloud Core
Barsony, M., Ressler, M. E., Marsh, K. A., 2005, ApJ, 630, 381
Testing Protoplanetary Disk Alignment in Young Binaries
Jensen, E. L. N., Mathieu, R. D., Donar, A. X., Dullighan, A., 2004, ApJ, 600, 789
From T Tauri stars to protostars: circumstellar material and young stellar objects in the rho Ophiuchi cloud
Andre, P., & Montmerle, T., 1994, ApJ, 420, 837
Submillimeter photometry and disk masses of T Tauri disk systems
Adams, F.C., Emerson, J.P., & Fuller, G.A., 1990, ApJ, 357, 606