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Latest Details
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Name
  V1828 Aql  
AAVSO UID
000-BJN-672 (10376 observations)  
Constellation
Aquila Sequence
J2000.0
20 20 00.46 +04 37 56.5  (305.00192 +4.63236) Search nearby
B1950.0 20 17 31.09 +04 28 26.2
Proper motion
RA: 5.1 +/- 2.7 mas/yDec: -2.0 +/- 3.0 mas/ySource: UCAC4
Galactic coord. 47.689 -17.309
Other names

(Internal only)
ASASSN-V J202000.57+043756.1 NSVS 14256825 UCAC2 33483055
USNO-B1.0 0946-00525128    
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Variability type
EA/HW
Spectral type sdOB+dM
Mag. range
13.13 - 13.93 V
Discoverer --
Epoch
20 Apr 1999 (HJD 2451288.9198) Ephemeris
Outburst --
Period 0.11037410 d  (2.648978 h)
Rise/eclipse dur. 12%  (0.3179 h)
Remarks
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1 2007IBVS.5800....1W MinII = 13.34V.
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References
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1 Schaffenroth, V.; Barlow, B. N.; Geier, S.; et al., 2019, The EREBOS
project: Investigating the effect of substellar and low-mass stellar
companions on late stellar evolution. Survey, target selection, and
atmospheric parameters
2019A&A...630A..80S
2 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
2013IBVS.6052....1K
3 L.A. Almeida, F. Jablonski, J. Tello, C.V. Rodrigues, 2012,
arXiv:1203.1266v1 [astro-ph.SR]
2012arXiv1203.1266A
4 P. Wils, G. Di Scala, S.A. Otero, 2007, IBVS 5800 2007IBVS.5800....1W
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 = 13.66H = 13.80K = 13.95J - K = -0.29
AllWISE W1 = 14.02W2 = 14.10W1 - W2 = -0.08
APASS-DR9 B = 13.09V = 13.33g' = 13.04r' = 13.58i' = 13.91B - V = -0.24
Images
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Supporting Documents
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Revision History
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6 Otero, Sebastian Alberto 2024-02-28 15:57 UTC Period and eclipse duration from AAVSO data.
5 Otero, Sebastian Alberto 2020-10-24 00:02 UTC Gaia DR2 position.
4 Admin, VSX 2017-12-26 21:32 UTC Added HW Vir-subtype.
3 Admin, VSX 2013-04-16 00:43 UTC Update from [2013IBVS.6052....1K].
2 Admin, VSX 2012-03-15 01:01 UTC Update from [2012arXiv1203.1266A].
1 Admin, VSX 2008-08-22 18:37 UTC Initial upload.