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Latest Details
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Name
  U Lyr  
AAVSO UID
000-BCG-317 (16140 observations)  
Constellation
Lyra Sequence
J2000.0
19 20 09.15 +37 52 36.1  (290.03812 +37.87669) Search nearby
B1950.0 19 18 24.23 +37 46 56.3
Proper motion
RA: 0.556 +/- 1.610 mas/yDec: -0.610 +/- 1.597 mas/ySource: Gaia DR1
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 ASASSN-V J192009.01+375236.4
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 Thomas Espin (1894)
Epoch
19 Apr 1975 (HJD 2442522) Ephemeris
Outburst --
Period 454 d
Rise/eclipse dur. 52%  (236 d)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
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
Click reference title/citation to view in new window. Roll over index number to view submission details.
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.
--
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 = 5.09H = 3.71K = 2.58J - K = 2.51
AllWISE W3 = 0.35W4 = 0.17W3 - W4 = 0.17
SDSS-DR12 u = 15.06g = 15.50r = 8.77i = 10.84z = 7.89u - g = -0.44r - i = -2.06
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 20 09.15 +37 52 36.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.