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Name
  V2175 Cyg  
AAVSO UID
000-BFS-469 (48066 observations)  
Constellation
Cygnus Sequence
J2000.0
22 01 38.20 +50 10 04.6  (330.40917 +50.16794) Search nearby
B1950.0 21 59 44.14 +49 55 35.1
Proper motion
RA: 2.363 +/- 0.058 mas/yDec: -0.335 +/- 0.061 mas/ySource: Gaia DR1
Galactic coord. 97.248 -4.041
Other names

(Internal only)
1H 2202+501 2MASS J22013820+5010046 AAVSO 2157+49
AAVSO 2202+501 ALS 12093 BD+49 3718
GSC 03613-00942 HIP 108738 IOMC 3613000048
LPH127 LS III +49 37 MWC 649
PPM 40138 SAO 51568 TIC 324820890
TYC 3613-942-1    
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Variability type
HMXB+GCAS
Spectral type B5e
Mag. range
9.18 - 9.32 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Slow outburst recorded by Hipparcos.
2 GCVS Team X-ray source.
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References
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 G.E. Sarty, L.L. Kiss, H.M. Johnston, R. Huziak, K. Wu, 2007, JAAVSO 35,
327
2007JAVSO..35..327S
3 Liu, Q. Z. et al., 2006, Catalogue of high-mass X-ray binaries in the
Galaxy (4th edition)
2006A&A...455.1165L
4 Reed, B. C., 2003, Catalog of Galactic OB Stars 2003AJ....125.2531R
5 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
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 = 8.78H = 8.70K = 8.50J - K = 0.28
AllWISE W1 = 8.29W2 = 7.99W3 = 6.97W4 = 5.98W1 - W2 = 0.30W3 - W4 = 0.99
APASS-DR9
Images
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Supporting Documents
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Campaigns/Programs
 Photometry of HMXBs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2012-05-30 20:36 UTC Maximum magnitude from 2003AJ....125.2531R. Minimum magnitude from Hipparcos. Type from Liu et al (2006). Hipparcos position.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.