VSX : Detail for DDE 221

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Name

DDE 221

AAVSO UID

000-BPN-414 (No observations)

Constellation

Lyra

Sequence

J2000.0

19 26 01.87 +42 23 39.2 (291.50779 +42.39422)

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B1950.0

19 24 24.88 +42 17 35.0

Galactic coord.

74.640 +12.040

Other names

(Internal only)

GCK J19260191+4223394	KIS J192601.86+422339.4	PSO J192601.872+422339.458
USNO-B1.0 1323-0409961

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Variability type

Spectral type

Mag. range

17.7 - 21.5 r

Discoverer

Denis Denisenko

Epoch

Outburst

Period

Rise/eclipse dur.

Remarks

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Denisenko, Denis

Outburst on 2013 Aug. 20-30 Pan-STARRS images. Strong Halpha emission in Kepler-INT survey.

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References

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1	Chambers, K. C.; et al., 2016, The Pan-STARRS1 Surveys	2016arxiv161205560C
2	Greiss, S.; Steeghs, D.; Gaensicke, B. T.; et al., 2012, The Kepler-INT survey	2012AJ....144...24G

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Location

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Images

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Supporting Documents

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2	DDE 221 finder chart	Denisenko, Denis	2023-01-24 01:30 UTC	Color-combined (BRIR) DSS finder chart with 6'x6' FOV
1	Comparison of Pan-STARRS1 images in g filter	Denisenko, Denis	2023-01-24 01:30 UTC	PS1 g images on 2013-08-09 (quiescence) and 2013-08-30 (outburst)