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Name
  DT Aql  
AAVSO UID
000-BCT-656 (16 observations)  
Constellation
Aquila Sequence
J2000.0
19 41 25.54 +01 20 07.2  (295.35642 +1.33533) Search nearby
B1950.0 19 38 53.19 +01 13 02.3
Proper motion
RA: -6.4 +/- 6.3 mas/yDec: 14.8 +/- 6.9 mas/ySource: UCAC4
Galactic coord. 39.905 -10.481
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19412554+0120070 AAVSO 1936+01A AN 59.1924
ASAS J194126+0120.1 ASASSN-V J194125.56+012007.4 GSC 00479-00394
IRAS 19388+0113 NSVS J1941256+012013  
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Variability type
M
Spectral type M4
Mag. range
10.4 - <15.9 V
Discoverer Karl Reinmuth (1924)
Epoch
12 Jul 2002 (HJD 2452468) Ephemeris
Outburst --
Period 292 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by 2MASS J19412482+0120260 (V= 16.9; sep. 21") and 2MASS J19412425+0120177 (V= 15.9; sep. 22"). Range has been corrected.
2 GCVS Team P var (Change ~JD2425000). Earlier Max = 2423964 + 290.5d*E.
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References
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1 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 A.Brun, M.Petit, Perem. Zvezdy 12, N1, 18, 1959. 1957PZ.....12...18B
4 Guthnick, P.; et al., 1926, Benennung von neu entdeckten veränderlichen
Sternen
1926AN....227..161G
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
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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 = 5.62H = 4.75K = 4.12J - K = 1.50
AllWISE W1 = 4.08W2 = 3.23W3 = 2.86W4 = 2.23W1 - W2 = 0.86W3 - W4 = 0.63
APASS-DR9 B = 13.66V = 11.99r' = 14.48i' = 10.94B - V = 1.67
Images
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Supporting Documents
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Stellar Association Membership
 Alessi 44 Open Cluster 2012A&A...548A..97Z
Revision History
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4 Fernig, Leo 2023-07-05 21:43 UTC Discoverer updated from 1926AN....227..161G page 172.
3 Otero, Sebastian Alberto 2013-06-04 01:35 UTC Primary record creation. Period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude derived from UCAC3. UCAC4 position.
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.