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Name
  NSVS 8358553  
AAVSO UID
000-BMC-505 (No observations)  
Constellation
Vulpecula Sequence
J2000.0
19 26 32.30 +23 45 12.0  (291.63457 +23.75332) Search nearby
B1950.0 19 24 25.89 +23 39 06.7
Galactic coord. 57.950 +3.405
Other names

(Internal only)
2MASS J19263230+2345120 ASASSN-V J192632.47+234508.7 ATO J291.6345+23.7533
Gaia DR2 2019714491331771520 IRAS 19244+2339 MSX6C G057.9498+03.4028
NSVS 11225516 NSVS 11240954 URAT1 569-371221
USNO-B1.0 1137-0373293 WISE J192632.29+234511.9 ZTF J192632.29+234511.9
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Variability type
M
Spectral type --
Mag. range
15.0 - 19.5 V
Discoverer Ivan Sergey, Sebastian Otero
Epoch
08 Jul 1999 (HJD 2451368) Ephemeris
Outburst --
Period 307 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 14.5 mag. star 19" to the SE and 15.4 Vmag. SR variable ASASSN-V J192633.50+234458.4 21" to the SE (7" E from the 14.5 mag. star).
2 Otero, Sebastian Alberto VSP Note: 17-18mag. in V. 14.5 mag. star 19" to the SE and 15.4 Vmag. red star (variable?) 21" to the SE (7" E from the 14.5 mag. star).
3 Sergey, Ivan 2MASS J19263230+2345120 = IRAS 19244+2339 (J= 8.76; J-K= 1.82) has been chosen as the variable star because it shows variability between CMC15 and IPHAS2 data (at least r= 16.1-16.8). There is another red star (2MASS J19263349+2344584 J= 7.36; J-K= 1.61) 21" away from this object at 19 26 33.50 +23 44 58.5 (J2000.0) which has a derived V= 15.4 from UCAC3, CMC15 and IPHAS2, suggesting constancy or only small amplitude variations. The identification is tentative. NSVS magnitudes are also contaminated by UCAC4 569-085201 (V= 14.5; sep. 19"), 2MASS J19263062+2345351 (V=16.2; sep. 33"), 2MASS J19263334+2345432 (V= 16.3; sep. 34") and 2MASS J19263084+2344295 (V= 15.9; sep. 47"). The range in the table is for the combined magnitude of the two red stars.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
4 Heinze A. N.; et al., 2018, A First Catalog of Variable Stars Measured by
the Asteroid Terrestrial-impact Last Alert System (ATLAS)
2018AJ....156..241H
5 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
6 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release
2004AJ....127.2436W
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 = 8.76H = 7.63K = 6.95J - K = 1.82
AllWISE W1 = 7.05W3 = 4.60W4 = 4.15W3 - W4 = 0.45
Images
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Supporting Documents
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1 Photometric curve Sergey, Ivan 2016-10-21 22:40 UTC
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Revision History
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3 Otero, Sebastian Alberto 2021-10-26 09:00 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
2 Otero, Sebastian Alberto 2021-05-15 20:12 UTC Type from 2018AJ....156..241H. Period from 2018A&A...616A...1G. Range from ZTF data.
1 Sergey, Ivan 2016-10-31 21:23 UTC Initial submission.