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Name
  SW Aqr  
AAVSO UID
000-BCN-649 (18658 observations)  
Constellation
Aquarius Sequence
J2000.0
21 15 17.85 +00 04 34.9  (318.82438 +0.07636) Search nearby
B1950.0 21 12 44.24 -00 07 53.0
Proper motion
RA: -41.392 +/- 0.253 mas/yDec: -56.143 +/- 0.203 mas/ySource: Gaia DR1
Galactic coord. 51.315 -31.471
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J211517.85+000434.8 AAVSO 2110-00 AN 123.1908
ASAS J211518+0004.6 ASASSN-V J211517.83+000434.1 CSS_J211517.8+000434
GUVV J211517.8+000432.5 HIP 104930 HV 3144
UCAC4 451-126924 USNO-B1.0 0900-0581544  
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Variability type
RRAB
Spectral type A5-G1
Mag. range
10.438 - 11.755 V
Discoverer Henrietta Leavitt (1908)
Epoch
04 Aug 1927 (HJD 2425097.3771) Ephemeris
Outburst --
Period 0.4593047 d  (11.02331 h)
Rise/eclipse dur. 11%  (1.213 h)
Remarks
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1 GCVS Team P var. (k - b)2 = 0.01.
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References
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1 Greer, P. A.; Payne, S. G.; Norton, A. J.; et al., 2017, The SuperWASP
catalogue of 4963 RR Lyr stars: identification of 983 Blazhko effect
candidates
2017A&A...607A..11G
2 Drake, A. J.; et al., 2013, RRab stars from Mount Lemmon Survey (MLS) and
Catalina Schmidt Survey (CSS)
2013ApJ...765..154D
3 D.M. Szczygiel, G. Pojmanski, B. Pilecki, 2009, arXiv:0906.2199v1
[astro-ph.SR]
2009arXiv0906.2199S
4 Welsh B.Y. et al., 2005, AJ 130, 825 2005AJ....130..825W
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
6 G.A.Lange, Tadj. Tr. 1, Issue 2, 5, 1938. --
7 Dunér, N. C.; Hartwig, E.; Muller, G., 1912, Benennung von neu entdeckten
veränderlichen Sternen
1912AN....191..341.
8 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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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 = 10.26H = 10.04K = 9.96J - K = 0.30
AllWISE W1 = 10.04W2 = 10.05W3 = 9.95W1 - W2 = -0.00
APASS-DR9 B = 11.52V = 11.13g' = 11.38r' = 11.15i' = 11.07B - V = 0.39
GALEX-DR5 FUV = 20.26NUV = 15.36FUV - NUV = 4.90
SDSS-DR12 u = 13.75g = 14.21r = 11.24i = 13.19z = 12.09u - g = -0.46r - i = -1.95
Images
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Supporting Documents
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Revision History
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5 Fernig, Leo 2022-11-15 22:35 UTC Discoverer updated from 1912AN....191..341. page 355.
4 Otero, Sebastian Alberto 2016-05-30 22:50 UTC Update from 2013ApJ...765..154D. UCAC4 position.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-06-19 02:04 UTC Update from [2009arXiv0906.2199S].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.