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Name
  R Aql  
AAVSO UID
000-BCF-225 (61049 observations)  
Constellation
Aquila Sequence
J2000.0
19 06 22.30 +08 13 48.0  (286.59292 +8.23000) Search nearby
B1950.0 19 03 57.81 +08 09 06.8
Galactic coord. 41.953 +0.454
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1901+08 ASAS J190622+0813.8 BD+08 3970
HD 177940 HIP 93820 HR 7243
IRC +10406 RAFGL 2324 SAO 124266
ZTF J190522.77+081918.5 ZTF J190522.87+081908.6 ZTF J190523.00+081147.5
ZTF J190523.30+081839.3 ZTF J190523.35+081726.5 ZTF J190523.53+081838.0
ZTF J190523.62+081852.2 ZTF J190523.94+081903.6  
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Variability type
M
Spectral type M5e-M9e
Mag. range
5.5 - 12 V
Discoverer --
Epoch
10 Nov 1977 (HJD 2443458) Ephemeris
Outburst --
Period 284.2 d
Rise/eclipse dur. 42%  (119.364000000000 d)
Remarks
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1 Otero, Sebastian Alberto Decreasing period.
2 GCVS Team P var. Max = 2440038 + 297d*E (JD2427850 - 40000). Since JD2440000 - see Table. For the whole observed period Max = 2399190 + 346.932d*n - 0.239303d*n**2; Pn = 348.980d - 0.554202d*n + 0.000552309d*n**2 [H.Schneller, MVS 3, H.3, 86, 1965.]. H2O, OH and SiO maser. Radiobursts.
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References
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1 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars		 2020arXiv200508662C
2 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
3 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
4 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
5 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
6 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
7 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
8 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
9 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
10 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)		 2012arXiv1210.0821A
11 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
12 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
13 T. Karlsson, Maxima of Mira stars --
14 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.		 --
External Links
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Supporting Documents
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2024-01-18 19:05 UTC Period, epoch and rise duration from AAVSO data.
4 Fernig, Leo 2022-04-22 13:34 UTC Discoverer updated from 1907AnHar..55....1C page 23
3 Otero, Sebastian Alberto 2011-01-04 20:42 UTC Primary record creation. ASAS-3 epoch. Current period from ASAS-3 data.
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.

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