Sys.Indexes are missing from the sys.objects view of SQL Server 2014

I just installed SQL Server 2014.

• Product: Microsoft SQL Server Express (64-bit)
  
• Operating system: Microsoft Windows NT 6.1 (7601)
  
• Platform: NT x64
  
• Version: 12.0.2000.8
  
• Server Sort: Latin1_General_CI_AS
  
• Is Clustered: False
  
• Is HADR Enabled: False
  

I created a database by right clicking on Databases -> New Database. I set the name, I left the default options and I clicked OK.

By doing the following query, I realized that there are items from the view sys.indexes

that cannot be found in sys.objects

.

Select * 
From sys.indexes ind
Where not exists ( select * from sys.objects obj where ind.object_id = obj.object_id )

      

        
        
        
      

    

The above query returns the following results:

5575058         plan_persist_plan_cidx
5575058         plan_persist_plan_idx1
21575115        plan_persist_runtime_stats_cidx
21575115        plan_persist_runtime_stats_idx1
37575172        plan_persist_runtime_stats_interval_cidx
37575172        plan_persist_runtime_stats_interval_idx1
53575229        plan_persist_context_settings_cidx
2121058592      plan_persist_query_text_cidx
2121058592      plan_persist_query_text_idx1
2137058649      plan_persist_query_cidx
2137058649      plan_persist_query_idx1

      

        
        
        
      

    

I have read that non-scoped items are not returned from the view sys.objects

, but I cannot find any information related to the above items. Until today, I have been using SQL Server 2012 and have had no problem with the connection logic above.

What are these items?

How can I distinguish these items from others (other = items returned from sys.objects

)?

Thanks,
Kostas