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Latest Details
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Name
  BLVS J182703.25+203125.2  
AAVSO UID
000-BPZ-839 (No observations)  
Constellation
Hercules Sequence
J2000.0
18 27 03.25 +20 31 25.2  (276.76354 +20.52367) Search nearby
B1950.0 18 24 54.36 +20 29 31.8
Galactic coord. 48.912 +14.382
Other names

(Internal only)
2MASS J18270324+2031251 BLVS 46 GSC2.3 N29H006368
Gaia DR3 4528547619231956992 TIC 342642216 URAT1 553-253775
USNO-A2.0 1050-10547875 USNO-B1.0 1105-0329859 XPM 221-0431500
ZTF J182703.24+203125.2    
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Variability type
BY+UV
Spectral type M
Mag. range
14.2 - 17.44 r
Discoverer Bowen Lan
Epoch
26 May 2022 (HJD 2459725.918) Ephemeris
Outburst --
Period 0.57484 d  (13.796 h)
Rise/eclipse dur. --
Remarks
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1 Lan, Bowen BY amplitude 0.26 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
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 27 03.25 +20 31 25.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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3 Phase Plot Lan, Bowen 2024-10-30 09:20 UTC Phase Plot for BLVS J182703.25+203125.2 data from ZTF r and ZTF g are used here.
2 Image comparison Lan, Bowen 2024-10-30 09:19 UTC ZTF data images showing the variable in quiescent and flaring states.
1 Light Curve Lan, Bowen 2024-10-30 09:19 UTC Light curve shows flare for BLVS J182703.25+203125.2 using ZTF data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Lan, Bowen 2024-11-13 15:27 UTC Gaia DR3 position. Spectral type from 2023A&A...674A..26C.

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