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Name
  ATO J288.0261+12.2443  
AAVSO UID
000-BQD-662 (No observations)  
Constellation
Aquila Sequence
J2000.0
19 12 06.27 +12 14 39.6  (288.02612 +12.24433) Search nearby
B1950.0 19 09 46.31 +12 09 34.3
Galactic coord. 46.165 +1.053
Other names

(Internal only)
2MASS J19120627+1214396 AISV-ID J288.026+12.244 GSC 01049-00777
GSC2.3 N2D4000725 TIC 397093569 UCAC4 512-093039
URAT1 512-410495 USNO-A2.0 0975-14327293 USNO-B1.0 1022-0518719
XPM 204-0641889 ZTF J191206.27+121439.6  
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Variability type
DPV/EA
Spectral type B
Mag. range
13.32 - 14.25 r
Discoverer A. N. Heinze et al. (ATLAS)
Epoch
23 Aug 2019 (HJD 2458718.904) Ephemeris
Outburst --
Period 12.473 d
Rise/eclipse dur. 10%  (1.2 d)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Wang, Shuming VSP Note: 17.8 Vmag. star 2.6" to the SE and 16.2 Vmag. star 4" to the S.
2 Wang, Shuming Long period elements HJD 2459973 + 459 d * E. Period ratio 27.17. Amplitude 0.4 r.
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References
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1 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2023A&A...674A..26C
2 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
3 Tonry, J. L.; et al., 2018, ATLAS: A High-cadence All-sky Survey System 2018PASP..130f4505T
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 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 12 06.27 +12 14 39.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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4 Phase plot(P=459) Wang, Shuming 2025-04-28 05:59 UTC Phase plot with ZTF, ATLAS and ASAS-SN data.
3 Phase plot(P=12.473) Wang, Shuming 2025-04-27 22:56 UTC Phase plot with ZTF, ATLAS and ASAS-SN data.
2 Light curve Wang, Shuming 2025-03-23 08:35 UTC Light curve with ZTF, ATLAS and ASAS-SN data.
1 Target image Wang, Shuming 2025-03-23 08:34 UTC Pan-STARRS1 y/i/g image.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Wang, Shuming 2025-04-28 13:24 UTC Gaia DR3 position. Spectral type from 2023A&A...674A..26C.