Set more conservative P2 of 3.0 for ERs and to use as yellow-warn for…

… ORs

starcheck/src/lib/Ska/Starcheck/Obsid.pm

@@ -2851,14 +2851,20 @@ sub set_proseco_probs{
     }
     $self->{acq_probs} = \%slot_probs;
 
-    # Set the P2 requirement to be 2.0
-    my $P2_required = 2.0;
+    # Set the P2 requirement to be 2.0 for ORs and 3.0 for ERs.
+    my $P2_required = $self->{obsid} < $ER_MIN_OBSID ? 2.0 : 3.0.
     $self->{figure_of_merit} = {expected => substr($expected, 0, 4),
                                 P2 => $P2,
                                 cum_prob_bad => ($P2 < $P2_required)};
     if ($P2 < $P2_required){
         push @{$self->{warn}}, ">> WARNING: -log10 probability of 2 or fewer stars < $P2_required\n";
     }
+    # If OR and P2 less than 3.0, yellow_warn.  This probably doesn't need the check on OR/ER
+    # because if it is an ER and < 3.0 the if statement above was hit.
+    elsif (($self->{obsid} < $ER_MIN_OBSID) and ($P2 < 3.0)){
+        push @{$self->{yellow_warn}}, ">> WARNING: -log10 probability of 2 or fewer stars < 3.0\n";
+    }
+
 }