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Latest Details
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Name
  AP Sgr  
AAVSO UID
000-BCB-635 (1652 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 13 02.50 -23 07 02.2  (273.26042 -23.11728) Search nearby
B1950.0 18 10 00.27 -23 07 52.4
Proper motion
RA: 1.099 +/- 0.251 mas/yDec: -4.099 +/- 0.233 mas/ySource: Gaia DR1
Galactic coord. 8.114 -2.438
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1807-23 AN 29.1908 ASASSN-V J181306.38-230606.5
CD-23 14072 CPD-23 6945 HD 166767
HIP 89276 HV 3071 SAO 186478
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Variability type
DCEP
Spectral type F6-G1
Mag. range
6.52 - 7.41 V
Discoverer Annie J. Cannon (1908)
Epoch
26 Jul 1957 (HJD 2436045.50000) Ephemeris
Outburst --
Period 5.05795 d
Rise/eclipse dur. 24%  (29.1 h)
Remarks
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1 GCVS Team SB? [W.Gieren, ApJ Suppl 49, 1, 1982.].
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References
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1 T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) --
2 T.J.Moffett, T.G.Barnes III, ApJ Suppl 55, 389, 1984. 1984ApJS...55..389M
3 Dunér, N. C.; Hartwig, E.; Muller, G., 1913, Benennung von neu entdeckten
veränderlichen Sternen
1913AN....195..241D
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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 = 5.27H = 4.98K = 4.78J - K = 0.48
AllWISE W1 = 4.77W2 = 4.71W3 = 4.86W4 = 4.84W1 - W2 = 0.06W3 - W4 = 0.02
APASS-DR9 B = 8.28V = 7.44B - V = 0.84
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2024-06-12 15:41 UTC Period and rise duration from AAVSO data.
3 Fernig, Leo 2022-11-15 22:36 UTC Discoverer updated from 1913AN....195..241D page 253.
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.