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Name
  NSV 24747  
AAVSO UID
--  
Constellation
Lyra Sequence
J2000.0
19 19 27.70 +31 57 58.8  (289.86542 +31.96633) Search nearby
B1950.0 19 17 33.19 +31 52 22.2
Proper motion
RA: -1.74 +/- 0.29 mas/yDec: -1.62 +/- 0.43 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 64.549 +8.587
Other names

(Internal only)
BD+31 3544 HD 181492 HIP 94962
PPM 82701 SAO 68136 TYC 2657-2398-1
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Variability type
SPB
Spectral type B3V
Mag. range
6.82 - 6.84 V
Discoverer --
Epoch
14 Nov 1991 (HJD 2448574.58) Ephemeris
Outburst --
Period 2.56255 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team P = 2.451d.
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References
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1 The HIPPARCOS Catalogue 1997HIP...C......0E
2 M.Jerzykiewicz, AsAp Suppl 97, No.2, 421, 1993. 1993A&AS...97..421J
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 = 6.92H = 7.01K = 7.04J - K = -0.12
AllWISE W1 = 7.03W2 = 7.11W3 = 7.17W4 = 7.12W1 - W2 = -0.08W3 - W4 = 0.05
APASS-DR9 B = 7.17V = 6.99g' = 7.19r' = 7.14i' = 7.13B - V = 0.18
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2011-10-30 09:44 UTC Phase plot with Hipparcos data transformed to V.
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Revision History
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2 Otero, Sebastian Alberto 2011-10-30 09:44 UTC Type, period, epoch, range and position from Hipparcos.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.

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