diff --git a/common/src/aaredaqlib/models.py b/common/src/aaredaqlib/models.py
index c14bff9b..3beb5964 100644
--- a/common/src/aaredaqlib/models.py
+++ b/common/src/aaredaqlib/models.py
@@ -592,6 +592,11 @@ class SessionStatus(BaseModel):
     current_pgroup: str | None = None
     staff: bool = False
 
+class CrystalSize(BaseModel):
+    x: float = 0.0
+    y: float = 0.0
+    z: float = 0.0
+
 class DAQStatusModel(BaseModel):
     geom: SampleGeometryModel
     diffraction: DiffractionGeometry
@@ -602,6 +607,8 @@ class DAQStatusModel(BaseModel):
     session: SessionStatus
     box: BoundingBoxModel | None = None
     last_best_res: float | None = None
+    last_best_b_factor: float | None = None
+    crystal_size: CrystalSize = CrystalSize(x=0,y=0,z=0)
 
 class BeamlineSettingsModel(BaseModel):
     dtz_max: float | None = 1600.0
@@ -620,4 +627,4 @@ class BeamlineSettingsModel(BaseModel):
 class CryojetSettingsModel(BaseModel):
     cryojet_park_position: float | None = 12.0
     cryojet_measurement_position: float | None = 5.0
-    cryojet_in_use: bool | None = True
+    cryojet_in_use: bool | None = True
\ No newline at end of file