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Latest Details
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Name
  AX Cyg  
AAVSO UID
000-BCJ-835 (1186 observations)  
Constellation
Cygnus Sequence
J2000.0
19 57 12.51 +44 15 40.0  (299.30212 +44.26111) Search nearby
B1950.0 19 55 35.57 +44 07 33.3
Proper motion
RA: -4.821 +/- 0.055 mas/yDec: -13.836 +/- 0.051 mas/ySource: Gaia DR1
Galactic coord. 79.024 +7.922
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1954+44 ADS 13167 A AN 84.1911
ASAS J195712+4415.7 BD+43 3425 HD 189256
HIP 98190 IRC +40368 KID 8324612
PPM 59088 RAFGL 2480 TYC 3149-942-1
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Variability type
SRB
Spectral type C4,5(N6)
Mag. range
7.7 - 8.9 V
Discoverer Thomas Backhouse (1911)
Epoch
10 Jun 2007 (HJD 2454262): Ephemeris
Outburst --
Period 361: d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Rather irregular at times.
2 GCVS Team VB A (B 10.2m, 18", 52deg).
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References
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1 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 [astro-ph]
2008arXiv0808.2558P
2 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 (online data)
2008arXiv0808.2558P
3 The HIPPARCOS and TYCHO catalogues 1997A&A...323L..49P
4 S.Boehme, AN 268, 71, 1939. 1939AN....268...71B
5 Z.Kopal, V.Vand, Atlas d'etoiles variables 3, Serie 1, 1933. --
6 Dunér, N. C.; Hartwig, E.; Muller, G., 1912, Benennung von neu entdeckten
veränderlichen Sternen
1912AN....191..341.
7 Planet Hunters --
External Links
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Location    Go   
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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 = 3.40H = 2.20K = 1.51J - K = 1.89
AllWISE W3 = 0.30W4 = 0.11W3 - W4 = 0.19
APASS-DR9 B = 10.68V = 8.26g' = 9.51r' = 7.02i' = 5.85B - V = 2.42
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2011-11-09 00:20 UTC Phase plot with Hipparcos and ASAS data.
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Revision History
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4 Fernig, Leo 2022-11-15 22:35 UTC Discoverer updated from 1912AN....191..341. page 355.
3 Otero, Sebastian Alberto 2011-11-09 00:19 UTC Primary record creation. Type, period, epoch and range from ASAS-3 and Hipparcos/Tycho data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.