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Name
R Aql
AAVSO UID
Constellation
J2000.0
B1950.0
19 03 57.74 +08 09 10.2
Proper motion
Galactic coord.
41.952 +0.454
Other names(Internal only)
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Variability type
M
Spectral type
M5e-M9e
Mag. range
5.5 - 12.0 V
Discoverer
Bonn Observatory (1856)
Epoch
Outburst
--
Period
268.8 d
Rise/eclipse dur.
45% (121 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
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,
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
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14
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
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Location
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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 = 0.68 H = -0.35 K = -0.83 J - K = 1.51
AllWISE
W3 = -1.76 W4 = -3.10 W3 - W4 = 1.34
APASS-DR9
B = 10.19 V = 8.53 g' = 10.08 r' = 7.29 i' = 4.56 B - V = 1.66
Images
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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
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