Flarestar Observatory has carried out a ground based photometric survey specifically designed to discover variable stars that where yet unknown to the astronomical community.
The survey was initiated on December 6, 2015. During the first night of the survey, two new variable stars were discovered. Data acquired on subsequent nights divulged the nature of the variability of these stars.
Analysis suggest that the variability of these two stars was caused by the presence of a companion star that blocked the light from the primary star called an eclipse. This happens as the stars revolved around their center of gravity.
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Variable Stars discovered from Flarestar Observatory
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Name AUID Coords Const Type Period (d) Mag
UCAC4 403-115663 000-BMP-328 19 18 20.60 -09 25 56.3 Aql EW 0.498115 15.85 - 16.35 V UCAC4 472-112478 000-BLY-673 20 03 30.10 +04 12 30.6 Aql EW 0.4145 15.50 (0.43)clear V CGCS 5409 000-BNK-470 21 40 08.11 +51 47 38.1 Cyg L -- 15.3 - 15.4 g' GSC 00515-00187 000-BM-810 20 38 12.96 +03 42 14.8 Del EW 0.2965 13.60 - 14.10 V GSC 05586-00371 000-BMC-748 14 55 43.26 -12 30 28.3 Lib EW/RS 0.441456 13.4 - 13.8 V GSC 03333-00416 000-BMZ-492 04 23 42.00 +47 53 05.1 Per SR 133 13.3 - 13.7 V UCAC4 690-029948 000-BMY-743 04 23 15.45 +47 51 35.5 Per SR 65 15.7 - 16.0 V UCAC4 735-019611 000-BLW-283 01 56 10.32 +56 57 56.1 Per EA 2.1271 16.11 V (0.55)clear UCAC4 736-020428 000-BLW-284 01 57 54.60 +57 08 31.8 Per EA 1.2295 15.08 V (0.5)clear GSC 05586-00270 000-BMH- 248 14 55 50.76 -12 28 15.1 Lib BY 9.1012 12.07 -12.30 V Cl Melotte 20 523 000-BPG-960 03 22 30.39 +49 09 44.3 Per DSCT 0.071429 10.45 V (0.03)clear TYC 1634-394-1 000-BPR-315 20 41 58.06 +16 35 51.0 Del RS 145 12.05 - 12.10 g' GSC 03319-01926 000-BPT-705 03 20 00.06 +49 36 53.6 Per DSCT 0.126798 13.35 - 13.39 V |
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UCAC4 735-019611Discovered from Flarestar Observatory on December 6th, 2015 during the first survey intended to seek out possible undiscovered variable stars. Data shows that this Algol-type variable star is a binary star system of Algol class.
UCAC4 472-112478
Discovered from Flarestar Observatory on July 27, 2016 during a search in a field of an asteroid that was being studied at the time. Data shows that this variable star is a binary star system of W UMa class.
GSC 00515-00187Fifth Discovery by Flarestar Observatory of a variable star within the constellation of Delphinus. First imaged on 2017 July 13 when following asteroid 219 Thusnelda.
UCAC4 690-029948The 7th variable discovered. This semi-regular variable star was discovered through a set of images acquired by Kevin Hills that were intended to monitor a particular star in the region. I have searched these images and made the discovery. My subsequent analysis revealed the nature of its variability and periodicity.
CGCS 5409
9th Variable Star discovery. This Irregular (L-type) variable star was discovered from images taken from Flarestar Observatory and discovery confirmed thanks to data from the ASAS-SN Survey.This star is a known Carbon Star (CGCS 5409) that is now also known to be an irregular variable star with the possibility of having semi-regular variability.
Cl Melotte 20 523
11th Variable Star discovery. This star belongs to the delta scuti class and was discovered from Flarestar Observatory. Discovery was confirmed after additional data was gathered from the ASAS-SN Survey. This star is a young bluish-white star 2264 light years away. Its variability is caused by pulsations.
GSC 03319-01926
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UCAC4 736-020428Second Discovery by Flarestar Observatory of a variable star within the same field of UCAC4 735-019611. Also first imaged on December 6th., however period is half as much as that of the first discovery.
GSC 05586-00371
Discovered from Flarestar Observatory on October 30, 2016 following a search in a field of an asteroid that was being followedat the time. Data shows that this variable star is a binary star system of EW/RS CVn class
UCAC4 403-115663The sixth variable star discovery by Flarestar Observatory concerns a star located within the constellation of Aquila. It was first imaged on 2017 July 31 on images obtained by Dr Charles Galdies when following asteroid 9927 Tyutchev. Stephen M. Brincat discovered the star through this set of images and subsequently monitored the star on a number of nights from Flarestar Observatory. Observations revealed that the period is near half a day. thus it could would be difficult to determine the period from a single location. Therefore, observations from the ASAS-SN survey were added to achieve an accurate period.
GSC 03333-004168th Variable Star discovery. This Semi-regular variable star was discovered from images taken from Flarestar Observatory and discovery was confirmed thanks to data mining from the ASAS-SN database that made it possible to confirm the discovery without any further intervention.This star is a known carbon Star (CGCS 673) that is now also known to be a variable star thanks to this discovery.
GSC 05586-00270
10th Variable Star discovery. This star belongs to the BY Draconis class and was discovered during the analysis of images taken from Flarestar Observatory. Discovery was confirmed thanks to the additional data gathered from the ASAS-SN Survey.This star is an orange dwarf star 1253 light years away. Its variability is caused by the axial rotation of the star that is divulged by the presence of star spots and other chromospheric activity. BY Dra stars also exhibit flares similar to those on the sun but on a relatively larger scale.
TYC 1634-394-1
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