diff --git a/main/astrodatagui/AstrodataGUI.py b/main/astrodatagui/AstrodataGUI.py
index 8321369..d651c44 100644
--- a/main/astrodatagui/AstrodataGUI.py
+++ b/main/astrodatagui/AstrodataGUI.py
@@ -1,6 +1,8 @@
 from PyQt5 import QtWidgets, uic
 import os
 
+from astroquery.simbad import Simbad
+
 from .db.StarsDB import StarDB
 from .ui.NewStarDialog import NewStarDialog
 
@@ -16,14 +18,18 @@ class AstrodataGUI(QtWidgets.QMainWindow):
         self.actionExit.triggered.connect(self.actionExitTriggered)
 
         self.btAddNew.clicked.connect(self.addNewClicked)
+        self.listDownloaded.itemClicked.connect(self.starSelected)
+        self.listSequences.itemClicked.connect(self.sequenceSelected)
 
         self.show()
 
         self.loadDB()
 
+        self.updateStarList()
+
     def loadDB(self):
         try:
-            self.starDB = StarDB.getInstance(DEFAULT_DB)
+            self.starDB: StarDB = StarDB.getInstance(DEFAULT_DB)
         except Exception as e:
             self.showErrorMessage("DB Connection failed",
                                   f"Could not connect to local database file {DEFAULT_DB}\n\
@@ -49,4 +55,44 @@ class AstrodataGUI(QtWidgets.QMainWindow):
 
     def addNewClicked(self):
         diag = NewStarDialog()
-        diag.exec()
\ No newline at end of file
+        if not diag.exec():
+            return
+
+        try:
+            mainName = Simbad.query_object(diag.starIdentifier)["MAIN_ID"][0]
+        except:
+            self.showErrorMessage("Main Identifier Error", "Failed to grab main identifier, aborting...")
+            return
+
+        try:
+            altNames = Simbad.query_objectids(mainName)
+        except:
+            self.showErrorMessage("Identifier Error", "Failed to grab all identifiers, aborting...")
+            return
+
+        self.starDB.insertStar(mainName, altNames, diag.productManifest)
+
+        self.updateStarList()
+
+    def updateStarList(self):
+        self.listDownloaded.clear()
+
+        for star in self.starDB.getAllStars():
+            self.listDownloaded.addItem(star[0])
+
+    def updateSequenceList(self, sourceSeqTouple):
+        self.listSequences.clear()
+        for sT in sourceSeqTouple:
+            self.listSequences.addItem(f"{sT[0]} - {sT[1]}")
+
+    def starSelected(self, item):
+        seqs = self.starDB.getStarData(item.text())
+        self.updateSequenceList(seqs)
+
+    def sequenceSelected(self, item):
+        seqText = item.text().split(" - ")
+        mainName = self.listDownloaded.currentItem().text()
+        source = seqText[0]
+        seq = seqText[1]
+        filePath = self.starDB.getFilePath(mainName, source, seq)
+        self.flaredetectorPreview.plotFitsFile(filePath)
\ No newline at end of file