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V1918 Sgr

Alert Notice 708: Test exposures requested for symbiotic binary candidates

Note: The target table was edited to add the range.  -  Elizabeth O. Waagen, 18 June 2020

June 17, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/test-exposures-for-symbiotic-binary-candidates-campaign

Adrian B. Lucy (Columbia University) requests the assistance of AAVSO observers, and writes:

Tags
AAVSO Alert Notice
2MASS J18572355-0643282
ASAS J150924-5303.5
ASAS J152058-4519.7
ASAS J182647-2415.8
ASAS J185604-2327.2
ASAS J190559-2109.4
ASASSN-V J163807.84-284207.6
ASASSN-V J175047.54-390117.8
ASASSN-V J183449.60-382456.9
Gaia DR2 5917238398632196736
Gaia DR2 6043925532812301184
GSC 05140-03255
IRAS F19019-1733
NSV 20400
V3005 Oph
V589 CrA
V1918 Sgr
symbiotic variable
binary stars
AAVSO International Database
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