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Name
  18 Vul  
AAVSO UID
000-BCK-779 (No observations)  
Constellation
Vulpecula Sequence
J2000.0
20 10 33.54 +26 54 15.0  (302.63975 +26.90417) Search nearby
B1950.0 20 08 28.29 +26 45 17.6
Proper motion
RA: 18.693 +/- 0.020 mas/yDec: 12.573 +/- 0.033 mas/ySource: Gaia DR1
Galactic coord. 65.709 -3.569
Other names

(Internal only)
BD+26 3815 GC 27999 GCRV 12531
GSC 02162-01673 HD 191747 HIP 99404
HR 7711 NGC 6882 2 NSV 25030
PPM 110572 SAO 88295 SBC7 791
SBC9 1212 TIC 245152467 TYC 2162-1673-1
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Variability type
ELL
Spectral type A2IV
Mag. range
5.52 V (0.003)TESS
Discoverer --
Epoch
28 Jul 2019 (HJD 2458692.63) Ephemeris
Outburst --
Period 9.3155 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team Possible P = 2.9h, 1.4h. SB, Porb = 9.3d. Blue straggler. According to [J.R.Percy, A.Attard, PASP 104, No.682, 1160, 1992.], const during 1.5 yrs of observations.
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 J.A.Belmonte, T.Roca Cortes, IBVS N3344, 1989. 1989IBVS.3344....1B
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 = 5.31H = 5.30K = 5.25J - K = 0.07
AllWISE W1 = 5.25W2 = 5.08W3 = 5.32W4 = 5.26W1 - W2 = 0.17W3 - W4 = 0.05
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2024-04-17 21:15 UTC Phase plot with TESS-SPOC data.
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Revision History
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3 Otero, Sebastian Alberto 2024-04-17 21:15 UTC Type, period, epoch and amplitude from TESS-SPOC data.
2 Otero, Sebastian Alberto 2011-08-10 00:53 UTC Type corrected. Hipparcos position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.

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