Hi everyone!
These 14 records in the VSX raw data release appear to suggest a negative amplitude. Perhaps the "MinIsAmplitude" flag was missing or the Min/Max amplitude was really reversed (as I suspect for some of these Cze variables.)
Best,
John
oid name vartype magmax magmin magmean period amplitude ra dec
------- ---------------------- ------- ------ ------ ------- --------- --------- ---------- ---------
2226252 USNO-B1.0 0401-0025899 HADS(B) 15.18 -15.75 -0.285 0.0488586 -30.93 3.3745394 -49.89899
2221421 LMC V1271 I: 18.9 0.3 9.6 (null) -18.6 5.1618834 -67.41198
239535 SN 2009hi SN 17.6 0.0 8.8 (null) -17.6 23.398954 16.775
239533 SN 2009fv SN 16.3 0.0 8.15 (null) -16.3 16.495617 40.81161
239537 SN 2009hr SN 15.9 0.0 7.95 (null) -15.9 0.67614734 3.54142
838205 ATO J246.7263+14.9636 BY+UV 14.2 0.1 7.15 3.582872 -14.1 16.448444 14.96394
625218 EPIC 205148699 EA 12.61 0.037 6.3235 4.377347 -12.573 16.877367 -19.16167
24405 V1342 Ori INS 14.82 4.47 9.645 (null) -10.35 5.5898886 -5.42403
1545076 CzeV2407 EA 15.83 14.95 15.39 0.8065174 -0.88 20.182133 20.0475
119438 V0588 Vul EW 12.96 12.19 12.575 1.02536 -0.77 20.58548 24.51461
1545272 CzeV2626 EW 14.97 14.47 14.72 0.267971 -0.5 8.436278 -16.84741
1544463 CzeV1707 SR 14.5 14.0 14.25 84.0914 -0.5 19.422281 34.90958
2215998 CzeV3082 DSCT 12.3 12.1 12.2 0.071966 -0.2 21.667486 22.51064
1544196 CzeV1335 EW 14.9 14.8 14.85 0.320359 -0.1 17.139837 50.05761