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Name
  U Lyr  
AAVSO UID
000-BCG-317 (16140 observations)  
Constellation
Lyra Sequence
J2000.0
19 20 09.10 +37 52 36.0  (290.03792 +37.87667) Search nearby
B1950.0 19 18 24.19 +37 46 56.2
Galactic coord. 69.990 +11.080
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1916+37 ASAS J192009+3752.6 BD+37 3418 b
IRC +40345 RAFGL 5367S  
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Variability type
M
Spectral type C4,5e(N0e)
Mag. range
8.3 - 13.5 V
Discoverer --
Epoch
20 Mar 1975 (HJD 2442492) Ephemeris
Outburst --
Period 451.72 d
Rise/eclipse dur. 52%  (234.894400000000 d)
Remarks
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1 GCVS Team VB A (B 13.0m, 9.4", 182deg). P var. Max = 2418345 + 459.22d*E (JD2418000 - 27000); since JD2432000 - see Table.
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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 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
4 T. Karlsson, Maxima of Mira stars --
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Campaigns/Programs
 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2024-06-28 18:33 UTC Period and epoch from AAVSO data.
3 Fernig, Leo 2022-04-22 13:35 UTC Discoverer updated from 1907AnHar..55....1C page 24
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.