WD 1856+534 
GJD_UTC               MAG      +/-
----------------------------------
2460570.25097     -0.1945   0.0335
2460570.25228     -0.0248   0.0359
2460570.25358     -0.1530   0.0336
2460570.25487     -0.0922   0.0345
2460570.25617     -0.0417   0.0353
2460570.25747     -0.0763   0.0347
2460570.25876     -0.0622   0.0349
2460570.26006     -0.1784   0.0333
2460570.26406     -0.0321   0.0360
2460570.26535     -0.0824   0.0351
2460570.26666     -0.1009   0.0346
2460570.26795     -0.0868   0.0350
2460570.27001      0.3171   0.0420
2460570.27131      0.7896   0.0523
2460570.27260      0.6747   0.0495
2460570.27390      0.2339   0.0405
2460570.27520     -0.0995   0.0348
2460570.27649     -0.0162   0.0361
2460570.27779     -0.0578   0.0352
2460570.27909     -0.1387   0.0339
2460570.28038      0.0371   0.0369
2460570.28167     -0.0266   0.0357
2460570.28296     -0.0969   0.0347
2460570.28426      0.0256   0.0369
2460570.28556     -0.0575   0.0357
2460570.28685     -0.0939   0.0350
2460570.28815     -0.0593   0.0358
2460570.28944     -0.0349   0.0360
2460570.29074     -0.1375   0.0345
2460570.29204     -0.0686   0.0358
2460570.29333     -0.0648   0.0359