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Name
  V6608 Sgr  
AAVSO UID
000-BMK-458 (6 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 21 06.60 -16 06 36.7  (275.27752 -16.11020) Search nearby
B1950.0 18 18 13.64 -16 08 02.5
Proper motion
RA: -1.313 +/- 2.325 mas/yDec: -1.621 +/- 2.099 mas/ySource: Gaia DR1
Galactic coord. 15.186 -0.786
Other names

(Internal only)
2MASS J18210660-1606366 ALS 4948 ASAS 182106-1606.6
ASAS J182106-1606.6 ASASSN-V J182106.63-160636.9 GSC 06265-01357
LS 4948 NGC 6618 585 TYC 6265-1357-1
[SH61b] 4    
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Variability type
EB
Spectral type B1V+B1V
Mag. range
10.71 - 11.21 V
Discoverer ASAS-3
Epoch
01 Jul 2007 (HJD 2454282.713) Ephemeris
Outburst --
Period 1.0350448 d
Rise/eclipse dur. --
Remarks
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1 2023PZ.....43....9K Min II= 11.16 V.
2 Otero, Sebastian Alberto VSP Note: 13.4 mag. star 13" to the W.
3 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by GSC 06265-01930 (V= 13.4; sep. 13"). Range has been corrected.
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References
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1 Kazarovets, E. V.; et al., 2023, The 85th Name-list of Variable Stars 2023PZ.....43....9K
2 R. Diethelm, 2012, IBVS 6029 2012IBVS.6029....1D
3 Pribulla, T.; Rucinski, S. M.; Latham, D. W.; et al., 2010, Eclipsing
binaries in the MOST satellite fields
2010AN....331..397P
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1961AJ.....66..186S
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 = 8.68H = 8.38K = 8.19J - K = 0.49
AllWISE W1 = 8.12W2 = 7.87W3 = 4.19W4 = -0.16W1 - W2 = 0.26W3 - W4 = 4.36
APASS-DR9 B = 11.75V = 11.06g' = 11.40r' = 10.79i' = 10.38B - V = 0.70
Images
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Supporting Documents
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Stellar Association Membership
 NGC 6618 Open Cluster 2012A&A...548A..97Z
Revision History
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6 Otero, Sebastian Alberto 2024-10-16 20:10 UTC Primary name, type and range from 2023PZ.....43....9K. Gaia DR3 position.
5 Otero, Sebastian Alberto 2019-01-10 01:58 UTC Type and amplitude from 2010AN....331..397P.
4 Otero, Sebastian Alberto 2017-09-21 00:39 UTC Type and range from ASAS-3 data. Spectral type from B. Pablo (private communication) Gaia DR1 position.
3 Admin, VSX 2012-07-11 00:32 UTC Update from [2012IBVS6029....1D].
2 Admin, VSX 2007-04-04 10:10 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.