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Latest Details
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Name
  V1684 Her  
AAVSO UID
--  
Constellation
Hercules Sequence
J2000.0
18 22 14.45 +21 10 54.5  (275.56023 +21.18179) Search nearby
B1950.0 18 20 06.49 +21 09 22.4
Proper motion
RA: 1.9 +/- 3.1 mas/yDec: -8.6 +/- 3.7 mas/ySource: UCAC4
Galactic coord. 49.067 +15.676
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J182214.2+211053 ASAS 182214+2110.9 ASAS J182214+2110.9
ASASSN-V J182214.53+211054.7 NSVS 11011291 UCAC4 556-069648
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Variability type
EW
Spectral type --
Mag. range
12.90 - 13.45 V
Discoverer --
Epoch
11 Oct 2017 (HJD 2458037.723) Ephemeris
Outburst --
Period 0.401066 d  (9.6256 h)
Rise/eclipse dur. --
Remarks
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1 2023PZ.....43....9K Min II= 13.43 V.
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References
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1 Kazarovets, E. V.; et al., 2023, The 85th Name-list of Variable Stars 2023PZ.....43....9K
2 D.M. Szczygiel, A. Socrates, B. Paczynski, G. Pojmanski, B. Pilecki, 2008,
AcA, 58, 405
2008AcA....58..405S
3 S.J.Gettel, M.T.Geske, T.A.McKay, AJ 131, 621, 2006. 2006AJ....131..621G
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
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 = 11.59H = 11.25K = 11.15J - K = 0.44
AllWISE W1 = 11.14W2 = 11.18W3 = 10.98W1 - W2 = -0.04
APASS-DR9 B = 13.53V = 12.92g' = 13.11r' = 12.69i' = 12.47B - V = 0.61
SDSS-DR12 u = 15.26g = 14.59r = 13.28i = 13.07z = 13.31u - g = 0.67r - i = 0.20
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2024-10-16 19:58 UTC Primary name, type, period, epoch and range from 2023PZ.....43....9K. Gaia DR3 position.
3 Zalezsak, Tamas 2015-07-02 01:43 UTC UCAC4 position.
2 Admin, VSX 2009-06-19 01:39 UTC Update from [2008AcA....58..405S].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.