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Name
  V1387 Aql  
AAVSO UID
000-BCT-736 (1 observation)  
Constellation
Aquila Sequence
J2000.0
19 44 32.22 +15 27 55.4  (296.13425 +15.46539) Search nearby
B1950.0 19 42 15.07 +15 20 39.5
Proper motion
RA: -3.1 +/- 6.1 mas/yDec: -22.2 +/- 7.7 mas/ySource: UCAC4
Galactic coord. 52.760 -4.322
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19443221+1527551 AAVSO 1940+15 ASAS J194432+1527.9
ASASSN-V J194432.23+152755.1 CMC15 J194432.2+152755 GSC 01615-02514
IPHAS J194432.22+152755.3 IRAS 19422+1520 NSV 12362
PPMX J194432.2+152755 SON 8170 TASS4 4301452
UCAC2 37248289 UCAC4 528-112173 UGPS J194432.19+152755.1
WISE J194432.37+152757.2 WISEA J194432.25+152755.3  
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Variability type
SR
Spectral type K0-K3III
Mag. range
13.3 - 14.4 V
Discoverer Cuno Friedrich Ludwig Hoffmeister
Epoch
30 Sep 2009 (HJD 2455105) Ephemeris
Outburst --
Period 275 d
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Not the microquasar GRS 1915+105. J. Ziolkowski used a wrong GCVS name (V1387 Aql instead of V1487 Aql) in 2015arXiv150902819Z.
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References
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1 Ziolkowski, J.; 2015, On the masses of the components of the V1387
Aql/GRS1915+105 binary system		 2015arXiv150902819Z
2 H.Gessner, MVS 10,H.4,103,1984. --
3 C.Hoffmeister, AN 288,49,1964. 1964AN....288...49H
External Links
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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 = 5.02H = 4.27K = 3.69J - K = 1.32
AllWISE W1 = 3.48W2 = 2.63W3 = 2.33W4 = 1.72W1 - W2 = 0.85W3 - W4 = 0.61
APASS-DR9 B = 15.56V = 13.99g' = 15.82r' = 12.50B - V = 1.57
Images
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Supporting Documents
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Revision History
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4 Schmeer, Patrick 2019-05-14 19:19 UTC Type corrected. Gaia DR2 position. Discoverer added from 1964AN....288...49H.
3 Hinzel, David H. 2015-10-09 00:18 UTC Type from 2015arXiv150902819Z and ASAS-3 data. Period, epoch, and range 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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