[vsnet-campaign-dn 5057] SDSS J210014.12+004446.0 (SU UMa-type) outburst

[Taichi Kato]

SDSS J210014.12+004446.0 (SDSSp J210014.12+004446.0) outburst

This object is known as an SU UMa-type dwarf nova (cf. PASP 117, 262)
or http://adsabs.harvard.edu/abs/2005astro.ph..1178T
The periods of 2.099+/-0.002 and 1.96+/-0.02 hr have been detected.

  20070801.141  <16.60C  (Gary Poyner)
  20070802.160  <16.60C  (Gary Poyner)
  20070803.126  <16.60C  (Gary Poyner)
  20070805.153  15.84C  (Gary Poyner)
  20070805.621  15.58C  (Kazuhiro Nakajima)

Two most recent outbursts (likely normal outbursts)

  20070630.210  17.64C  (Gary Poyner)

  20070722.160  16.11C  (Gary Poyner)

ASAS-3 recorded three positive data in the past
(close to the detection limit)

  20030525.3467 15.072V
  20030531.3514 14.962V
  (If these observations were true detections, this outburst
should have been a superoutburst).

  20030930.0649 14.813V (single detection)