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Latest Details
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Name
  Gaia DR2 4047932670010782080  
AAVSO UID
000-BPX-285 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 26 03.64 -30 10 47.6  (276.51517 -30.17989) Search nearby
B1950.0 18 22 51.26 -30 12 34.4
Galactic coord. 3.186 -8.292
Other names

(Internal only)
2MASS J18260363-3010475 GSC2.3 S9UG008865 Gaia DR3 4047932670010782080
UCAC4 300-221252 USNO-A2.0 0525-35688443 USNO-B1.0 0598-0752388
[MM63] 1- 89    
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Variability type
M
Spectral type M5
Mag. range
12.5 - <16.0 V
Discoverer Gaia collaboration
Epoch
30 Jun 2016 (HJD 2457570.0) Ephemeris
Outburst --
Period 239.9 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Period changes. P= 239.9 d. is for the ASAS-SN data between 2016 and 2024. The ASAS-3 observations (2001-2004) combined with ASAS-SN and Gaia DR3 (2014-2017) are better represented by P= 237.8 d.
2 Otero, Sebastian Alberto VSP Note: The red variable ASAS J182604-3010.6 is 19" to the N.
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 4
Variability
2022yCat.1358....0G
2 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
3 Gaia collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
4 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
5 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
6 McCuskey, S. W.; Mehlhorn, R., 1963, Late M-type stars near the Galactic
Center
1963AJ.....68..319M
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 26 03.64 -30 10 47.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Phase plot - 239.9 d. Otero, Sebastian Alberto 2024-07-13 05:36 UTC Phase plot with the ASAS-SN period, combining ASAS-SN, ASAS-3 and Gaia DR3 data.
1 Phase plot - 237.8 d. Otero, Sebastian Alberto 2024-07-13 05:36 UTC Phase plot with the best fit for the ASAS-3 data (2001-2004), combined with ASAS-SN and Gaia DR3 data observations.
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Revision History
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2 Otero, Sebastian Alberto 2024-07-13 07:00 UTC Primary name corrected.
1 Otero, Sebastian Alberto 2024-07-13 05:39 UTC Spectral type from 1963AJ.....68..319M. Type, period, epoch and range from ASAS-SN, ASAS-3 and Gaia DR3 data.