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  V0446 Vul  
000-BFQ-040 (28 observations)  
Vulpecula Sequence
21 09 01.22 +27 31 23.3  (317.25508 +27.52314) Search nearby
B1950.0 21 06 51.18 +27 19 11.2
Proper motion
RA: -9.5 +/- 1.7 mas/yDec: -14.5 +/- 1.7 mas/ySource: UCAC4
Galactic coord. 74.091 -13.600
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
ASAS J210901+2731.4 DO 20055 GSC 02181-01309
IRAS 21068+2719 LD 387 TYC 2181-1309-1
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Variability type
Spectral type M6
Mag. range
10.4 - 11.5 V
Discoverer Lennart Dahlmark
03 Jun 2004 (HJD 2453160) Ephemeris
Outburst --
Period 103: d
Rise/eclipse dur. --
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 L. Dahlmark, IBVS N5181, 2001. 2001IBVS.5181....1D
3 Dearborn Catalogue of faint red stars (Lee+ 1947) 1947AnDea...5....1L
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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 = 4.92H = 3.79K = 3.37J - K = 1.55
AllWISE W1 = 3.47W2 = 3.08W3 = 2.59W4 = 1.90W1 - W2 = 0.39W3 - W4 = 0.69
APASS-DR9 B = 12.63V = 10.84g' = 11.67r' = 10.19B - V = 1.79
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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3 Holmberg, Gustav 2014-08-25 13:41 UTC Type, period, epoch and range from ASAS-3 data. Period analysis of ASAS-3 data using period analysis DC DFT in VStar. Spectral type from 1947AnDea...5....1L. UCAC4 position
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.