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Name
  PW Gem  
AAVSO UID
000-BCV-959 (70 observations)  
Constellation
Gemini Sequence
J2000.0
06 16 00.14 +23 46 59.6  (94.00058 +23.78322) Search nearby
B1950.0 06 12 57.03 +23 48 03.1
Proper motion
RA: -4.92 +/- 2.22 mas/yDec: -4.58 +/- 1.42 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 187.851 +3.352
Other names

(Internal only)
1SWASP J061600.13+234659.7 AAVSO 0609+23 ASAS J061600+2347.0
BD+23 1270 EPIC 202059333 HD 43206
HIP 29757 NSVS 7093021 SAO 78155
UCAC4 569-026102    
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Variability type
EA
Spectral type B9
Mag. range
9.11 - 9.51 V
Discoverer --
Epoch
14 Mar 2014 (HJD 2456731.278) Ephemeris
Outburst --
Period 196.9158 d
Rise/eclipse dur. 0.23%  (0.45 d)
Remarks
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1 Otero, Sebastian Alberto Extremely eccentric system. Min II= 9.46 V at phase 0.0245. Duration 0.75%.
2 Otero, Sebastian Alberto Visual binary, A= 9.47 Hp; B= 10.77 Hp; sep. 0".34.
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2 Howell, S. B.; et al., 2014, The K2 Mission: Characterization and Early
Results
2014PASP..126..398H
3 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release
2004AJ....127.2436W
4 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
5 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
6 Yale Zone Catalogues Integrated (Yale Univ 1939-1983; ADC 1989) 1997yCat.1141....0Y
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 8.67H = 8.66K = 8.64J - K = 0.03
AllWISE W1 = 8.61W2 = 8.62W3 = 8.60W4 = 7.69W1 - W2 = -0.02W3 - W4 = 0.91
APASS-DR9 g' = 10.11i' = 10.30
SDSS-DR12 u = 10.47g = 9.47r = 10.65i = 8.88z = 10.27u - g = 1.00r - i = 1.77
Images
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Supporting Documents
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1 Phase plots Otero, Sebastian Alberto 2020-05-23 08:53 UTC Phase plots with Hipparcos, NSVS, ASAS-3, ASAS-SN, KWS and Kepler K2 data.
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Stellar Association Membership
 Collinder 89 Open Cluster 2012A&A...548A..97Z
Revision History
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5 Otero, Sebastian Alberto 2020-05-23 08:53 UTC Period, epoch, eclipse duration and range from Hipparcos, ASAS-SN, ASAS-3, Kepler K2, NSVS and KWS data.
4 Otero, Sebastian Alberto 2020-05-23 05:50 UTC Type, epoch and range from Hipparcos data. Spectral type from 1997yCat.1141....0Y.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 15:53 UTC Added spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.