switched root dir to the application itself

models.py

@@ -0,0 +1,74 @@
+from django.db import models
+import uuid
+
+class CatalogFile(models.Model):
+
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    name = models.CharField(max_length=32)
+
+    STATUS_CHOICES = [
+        ('PENDING', 'Pending'),
+        ('IN_PROGRESS', 'In Progress'),
+        ('INGESTED', 'Ingested'),
+        ('INDEXED', 'Indexed')
+    ]
+
+    status = models.CharField(max_length=11, choices=STATUS_CHOICES, default='PENDING')
+
+class GaiaSource(models.Model):
+
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+    
+    catalog_file = models.ForeignKey(
+        CatalogFile, on_delete=models.CASCADE, 
+        related_name='sources', null=True
+    )
+
+    solution_id = models.CharField(blank=True, default='', max_length=19)
+    #solution identifier
+    #why charfield and not integerfield?
+    
+    designation = models.CharField(max_length=30, blank=True, default='')
+    #unique source designation across all DR
+    
+    source_id = models.CharField(max_length=19, blank=True, default='')
+    #unique id within DR again why not integer
+        
+    ref_epoch = models.FloatField(default=0.0, null=True)
+    #reference epoch julian years    
+    
+    ra = models.FloatField(default=0.0, null=True)
+    ra_error = models.FloatField(default=0.0, null=True)
+    #barycentric ra in icrs at ref epoch
+    #error in mas
+
+    dec = models.FloatField(default=0.0, null=True)
+    dec_error = models.FloatField(default=0.0, null=True)
+    #barycentric dec in icrs at ref epoch
+    #error in mas
+ 
+    parallax = models.FloatField(default=0.0, null=True)
+    parallax_error = models.FloatField(default=0.0, null=True)
+    #parallax and error at ref epoch in mas
+
+    pmra = models.FloatField(default=0.0, null=True)
+    pmra_error = models.FloatField(default=0.0, null=True)
+    #proper motion over ra mas/yr
+    
+    pmdec = models.FloatField(default=0.0, null=True)
+    pmdec_error = models.FloatField(default=0.0, null=True)
+    #proper motion over dec mas/yr
+
+    phot_g_mean_mag = models.FloatField(default=0.0, null=True)
+    #mean g band magnitude, vega scale
+    
+    phot_bp_mean_mag = models.FloatField(default=0.0, null=True)
+    #mean bp magnitude, vega scale
+    
+    phot_rp_mean_mag = models.FloatField(default=0.0, null=True)
+    #mean rp magnitude, vega scale
+
+
+
+