Table 1: Observational parameters of the discovered BLAPs.

From: Blue large-amplitude pulsators as a new class of variable stars

Variable name RA(2000.0) Dec(2000.0) VIAV AI P r
  (h:min:s) (°:′:″) (mag) (mag) (mag) (mag) (min) (10−7 yr−1)
OGLE-BLAP-001 10:41:48.77 −61:25:08.5 17.706 17.223 0.411 0.236 28.26 +2.9 ± 3.7
OGLE-BLAP-002 17:43:58.02 −19:16:54.1 18.892 17.953 0.317 0.357 23.29  
OGLE-BLAP-003 17:44:51.48 −24:10:04.0 19.195 18.103 0.273 0.229 28.46 +0.82 ± 0.32
OGLE-BLAP-004 17:51:04.72 −22:09:03.4 18.813 17.528 0.426 0.261 22.36  
OGLE-BLAP-005 17:52:18.73 −31:56:35.0 19.989 18.767 0.333 0.298 27.25 +0.63 ± 0.26
OGLE-BLAP-006 17:55:02.88 −29:50:37.5 18.354 17.384 0.279 0.231 38.02 −2.85 ± 0.31
OGLE-BLAP-007 17:55:57.52 −28:52:11.0 19.268 18.456 0.330 0.282 35.18 −2.40 ± 0.51
OGLE-BLAP-008 17:56:48.26 −32:21:35.6 18.732 17.590 0.284 0.194 34.48 +2.11 ± 0.27
OGLE-BLAP-009 17:58:48.20 −27:16:53.7 15.650 15.071 0.286 0.241 31.94 +1.63 ± 0.08
OGLE-BLAP-010 17:58:59.22 −35:18:07.0 17.231 16.919 0.383 0.344 32.13 +0.44 ± 0.21
OGLE-BLAP-011 18:00:23.24 −35:58:03.1 17.254 16.977 0.222 0.286 34.87  
OGLE-BLAP-012 18:05:44.20 −30:11:15.2 18.263 17.622 0.350 0.343 30.90 +0.03 ± 0.15
OGLE-BLAP-013 18:05:52.70 −26:48:18.0 19.244 18.190 0.249 0.221 39.33 +7.65 ± 0.67
OGLE-BLAP-014 18:12:41.79 −31:12:07.8 16.793 16.680 0.339 0.264 33.62 +4.82 ± 0.39
  1. Parameters shown are equatorial coordinates, mean brightness and amplitude in the V and I bands, pulsation period, and rate of the period change. The rate and its uncertainty is calculated based on two epochs representing the third and the fourth (current) phase of the OGLE survey from years 2001–2009 and 2010–2016, respectively.