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Latest Details
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Name
  Barlad V70  
AAVSO UID
000-BQJ-393 (18 observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 41 02.09 +62 00 39.2  (355.25871 +62.01089) Search nearby
B1950.0 23 38 39.34 +61 44 00.8
Galactic coord. 114.773 +0.259
Other names

(Internal only)
2MASS J23410208+6200392 GSC 04284-00060 Gaia DR3 2015924955737706112
TIC 271914054 TYC 4284-60-1 UCAC4 761-073306
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Variability type
EA+ROT
Spectral type G
Mag. range
12.04 - 12.21 V
Discoverer Ciprian Vintdevara, Alexandru Dumitriu - Barlad Astronomical Observatory
Epoch
07 May 2024 (HJD 2460438.304) Ephemeris
Outburst --
Period 6.2832872 d
Rise/eclipse dur. 2.4%  (3.619 h)
Remarks
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1 Vintdevara, Ciprian Eccentric system with Min II at phase 0.33, amplitude 0.01 mag TESS. ROT period 5.58238 d, amplitude 0.02 mag TESS. Also classified as a spectroscopic binary in 2022yCat.1357....0G.
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References
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1 Gaia Collaboration, 2022, Gaia DR3 Part 3. Non-single stars 2022yCat.1357....0G
2 Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I
2020RNAAS...4..204H
3 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
4 Brodskaya, E. S., 1955, Catalogue of spectral classes, magnitudes and color
indices of 5752 stars in an area of the Milky Way centered at α =
23h25m, δ 61°30'
1955IzKry..14....3B
External Links
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Images
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Supporting Documents
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5 Phase Plot - ROT period Vintdevara, Ciprian 2025-12-16 14:02 UTC Phase plot with the rotational period
4 Phase Plot - Zoomed on secondary Vintdevara, Ciprian 2025-12-16 14:01 UTC Phase plot zoomed on the secondary minimum
3 Phase Plot - Zoomed Vintdevara, Ciprian 2025-12-05 14:47 UTC Phase plot zoomed on the primary minimum
2 Lightcurve Plot Vintdevara, Ciprian 2025-12-05 14:46 UTC Lightcurve plot with TESS QLP Sector 85 data
1 Phase Plot Vintdevara, Ciprian 2025-12-05 14:44 UTC Phase Plot with ASAS-SN, TESS QLP and Barlad data
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Revision History
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1 Vintdevara, Ciprian 2025-12-16 14:16 UTC Position from Gaia DR3. Spectral type from 1955IzKry..14....3B.