Watching a Volatile Stellar Relationship

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Watching a Volatile Stellar Relationship X-rays Watching a Volatile Stellar Relationship Chandra-detected X-rays reveal historical record of jet ejection from the R Aquarii symbiotic binary and a connection to its orbit. #aas230 Rodolfo Montez Jr. (Smithsonian Astrophysical Observatory) rodolfo.montez.jr@gmail.com with collaborators: Margarita Karovska, Joy Nichols, and Vinay Kashyap Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Symbiotic Binary System Red Giant WD + Symbiotic Binary System WD ~ 0.6-1.0 solar masses Red Giant ~ 1-1.5 solar masses 43.6 year orbital period Mass lost by the Red Giant transfers to the WD; can trigger outburst events. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Historical record based on optical observations of the nebula. Large surrounding nebula is biconical shell traced back near the time of a nova-like eruption around 1070’s. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Historical record based on optical observations of the nebula. Large surrounding nebula is biconical shell traced back near the time of a nova-like eruption around 1070’s. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Historical record based on optical observations of the nebula. Large surrounding nebula is biconical shell traced back near the time of a nova-like eruption around 1070’s. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Historical record based on optical observations of the nebula. Large surrounding nebula is biconical shell traced back near the time of a nova-like eruption around 1070’s. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Historical record based on optical observations of the nebula. The inner central nebula structure was formed around 1770’s. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Historical record based on optical observations of the nebula. What do X-ray observations provide? R Aquarii was first observed by Chandra in 2000 (shortly after Chandra launched). Then it was observed again at the end of 2003 and near the end of 2005. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Historical record based on optical observations of the nebula. What do X-ray observations provide? R Aquarii was first observed by Chandra in 2000 (shortly after Chandra launched). Then it was observed again at the end of 2003 and near the end of 2005. X-rays Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship X-ray observations provide new evidence on the volatility of the stellar relationship. What do X-ray observations provide? R Aquarii was first observed by Chandra in 2000 (shortly after Chandra launched). Then it was observed again at the end of 2003 and near the end of 2005. X-rays Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship X-ray observations provide new evidence on the volatility of the stellar relationship. What do X-ray observations provide? R Aquarii was first observed by Chandra in 2000 (shortly after Chandra launched). Then it was observed again at the end of 2003 and near the end of 2005. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship X-ray observations provide new evidence on the volatility of the stellar relationship. Previously-studied main northern jet expands at 630 km/s (1.4 million mph). Newly uncovered large northern jet expands at 850 km/s (1.9 million mph; 30% faster than main northern jet). Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Main Jet Compact Jet Large Jet Nichols et al. 2007 Kellogg et al. 2007 This work 1960 1980 2000 2020 1770 1070 Inner Nebula Solf & Ulrich (1985) Outer Nebula Yang et al. (2005) p - periastron CXO Observations Watching a Volatile Stellar Relationship Updated historical record brings us closer to understanding the symbiotic relationship Jets emerge on 20-40 year timescales; possibly connected to orbital configurations with intense mass transfer. Future direct observations of the jet formation process and its role in the late stage evolution of binary systems. X-rays Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship Main Jet Compact Jet Large Jet Nichols et al. 2007 Kellogg et al. 2007 This work 1960 1980 2000 2020 1770 1070 Inner Nebula Solf & Ulrich (1985) Outer Nebula Yang et al. (2005) p - periastron CXO Observations Watching a Volatile Stellar Relationship Chandra-detected X-rays reveal historical record of jet ejection from the R Aquarii symbiotic binary and a connection to its orbit. #aas230 Rodolfo Montez Jr. (Smithsonian Astrophysical Observatory) rodolfo.montez.jr@gmail.com with collaborators: Margarita Karovska, Joy Nichols, and Vinay Kashyap X-rays Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

X-rays 2005-10-09 2003-12-31 2000-09-10 Dec Offset (arcseconds) RA Offset (arcseconds) Different kinematics. 850 km/s vs. 630 km/s (1.9 million mph vs. 1.4 million mph) X-rays Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship X-ray observations provide new evidence on the volatility of the stellar relationship. What do X-ray observations provide? R Aquarii was first observed by Chandra in 2000 (shortly after Chandra launched). Then it was observed again at the end of 2003 and near the end of 2005. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship X-ray observations provide new evidence on the volatility of the stellar relationship. What do X-ray observations provide? R Aquarii was first observed by Chandra in 2000 (shortly after Chandra launched). Then it was observed again at the end of 2003 and near the end of 2005. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Watching a Volatile Stellar Relationship X-ray observations provide new evidence on the volatility of the stellar relationship. What do X-ray observations provide? R Aquarii was first observed by Chandra in 2000 (shortly after Chandra launched). Then it was observed again at the end of 2003 and near the end of 2005. Optical Image Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona