Abell2163

Arcs identified in the northeast of the cluster (lower left center in above field image) by Catherine Cerny (UMich).

Snapshots of all arc candidates.

Arc Coordinate List

# arcnumber ra dec

1.1 243.95273 -6.146482

1.2 243.95345 -6.1472279

1.3 243.9532 -6.1389571

2.1 243.95241 -6.1463598

2.2 243.95338 -6.1474969

2.3 243.95313 -6.1391184

3.1 243.95573 -6.1433182

3.2 243.95439 -6.1496829

3.3 243.95375 -6.1410842

4.1 243.94685 -6.1443727

4.2 243.94668 -6.1447652

4.3 243.94698 -6.1460601

Lens model of the cluster with one halo. Redshift of arc system 1 is fixed to 3 in accordance with its photometric redshift measurement in order to prevent unrealistic model predictions.

Observed on LDSS3 June 7-8: 7x25 min, decent conditions, cirrus/clear, seeing 0.7-1.0. Time: Michigan. Observer: Gladders.