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Latest Details
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Name
  HD 229084  
AAVSO UID
000-BNG-927 (2 observations)  
Constellation
Cygnus Sequence
J2000.0
20 21 32.44 +39 27 56.5  (305.38517 +39.46569) Search nearby
B1950.0 20 19 43.56 +39 18 19.4
Galactic coord. 77.423 +1.525
Other names

(Internal only)
2MASS J20213242+3927564 GSC 03156-00063 IRAS 20197+3918
TYC 3156-63-1 UCAC4 648-091338 USNO-A2.0 1275-13852950
USNO-B1.0 1294-0404162    
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Variability type
SRB
Spectral type M3III
Mag. range
9.82 - 10.13 V
Discoverer Adam Derdzikowski
Epoch
14 Jun 2011 (HJD 2455727.00) Ephemeris
Outburst --
Period 31.85 d
Rise/eclipse dur. --
Remarks
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1 Derdzikowski, Adam Other period: 333 d. J-K: 1.30.
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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 Kharadze, E. K.; Bartaya, R. A., 1961, Spectra of stars near NGC 6604, NGC
6913, and Trumpler 1.		 1961AbaOB..26...35K
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 21 32.44 +39 27 56.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Phase plot Derdzikowski, Adam 2019-09-25 16:05 UTC Phase plot using ASAS-SN data
1 JD plot Derdzikowski, Adam 2019-09-25 16:05 UTC Plot using ASAS-SN data
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Derdzikowski, Adam 2019-10-04 04:51 UTC Initial submission. Spectral type from 1961AbaOB..26...35K

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