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Name
  RR Lyn  
AAVSO UID
000-BBL-318 (126 observations)  
Constellation
Lynx Sequence
J2000.0
06 26 25.84 +56 17 06.4  (96.60767 +56.28511) Search nearby
B1950.0 06 22 12.65 +56 18 51.5
Proper motion
RA: -26.74 +/- 0.56 mas/yDec: 21.44 +/- 0.42 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 158.632 +18.996
Other names

(Internal only)
AAVSO 0618+56 BD+56 1125 HD 44691
HIP 30651 HR 2291 SAO 25731
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Variability type
EA/DM
Spectral type A7Vm+F3V
Mag. range
5.52 - 6.03 V
Discoverer Paul Guthnick (1923)
Epoch
25 Aug 1949 (HJD 2433153.8623) Ephemeris
Outburst --
Period 9.945079 d
Rise/eclipse dur. 4%  (9.55 h)
Remarks
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1 GCVS Team VB A (B 10m, 50"). Min II 5.90; Min II = 2438051.3115 + 9.945074d*E; E = 0.081; Min II - Min I = 0.45P (JD2437700).
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References
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1 Bob Nelson's O-C files, 2016 --
2 R.H.Koch, AJ 82, 653, 1977. 1977AJ.....82..653K
3 A.Wroblewski, Urania 27, N10, 278, 1956. --
4 Guthnick, P.; et al., 1924, Benennung von neu entdeckten veränderlichen
Sternen
1924AN....223...41G
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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 = 5.47H = 5.07K = 4.99J - K = 0.48
AllWISE W1 = 5.03W2 = 4.84W3 = 5.03W4 = 4.97W1 - W2 = 0.19W3 - W4 = 0.06
Images
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Supporting Documents
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Revision History
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3 Fernig, Leo 2023-07-05 21:45 UTC Discoverer updated from 1924AN....223...41G page 50.
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.