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Latest Details
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Name
  V2507 Cyg  
AAVSO UID
000-BDC-110 (1045 observations)  
Constellation
Cygnus Sequence
J2000.0
19 38 02.88 +46 17 22.6  (294.51200 +46.28961) Search nearby
B1950.0 19 36 32.74 +46 10 29.8
Proper motion
RA: -5.4 +/- 3.3 mas/yDec: -0.9 +/- 3.7 mas/ySource: UCAC4
Galactic coord. 79.182 +11.852
Other names

(Internal only)
2MASS J19380288+4617225 AAVSO 1935+46B AAVSO 6811 V07
ASASSN-V J193802.84+461724.0 Cl* NGC 6811 Lindoff 491 Cl* NGC 6811 VLR V7
GSC 03556-01398 Gaia DR3 2128128261923639424 KIC 9594915
NGC 6811 SAN 209 TIC 271041567 VSX J193802.9+461722
[JBM2013] 6897    
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Variability type
DSCT
Spectral type A
Mag. range
13.59 - 13.65 V
Discoverer Van Cauteren, et al.
Epoch
18 Jan 2024 (HJD 2460328.276) Ephemeris
Outburst --
Period 0.0663569 d  (95.5539 min)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other period 0.07865 d.
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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 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
3 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
4 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
5 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
2013IBVS.6052....1K
6 Van Cauteren, P., Lampers, P., Robertson, C.W., and Strigachev, A. 2005,
Comm in Asteroseismology, 146, 21
2005CoAst.146...21V
7 P.van Cauteren, et al., Comm. in Asteroseismology, 146, 2005. 2005CoAst.146...21V
External Links
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Location    Go   
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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 = 12.75H = 12.64K = 12.60J - K = 0.15
AllWISE W1 = 12.56W2 = 12.55W3 = 12.40W1 - W2 = 0.00
APASS-DR9 B = 14.03V = 13.65g' = 13.78r' = 13.54i' = 13.53B - V = 0.38
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2026-08-08 19:31 UTC Phase plot with TESS QLP data.
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Revision History
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4 Otero, Sebastian Alberto 2026-08-08 19:31 UTC Period and epoch from TESS QLP data. Range derived from Gaia DR3 data. Gaia DR3 position. Spectral type from 2023A&A...674A..26C.
3 Otero, Sebastian Alberto 2020-05-23 02:51 UTC Range from the GCVS (November 2019 version).
2 Admin, VSX 2013-04-16 00:51 UTC Update from [2013IBVS.6052....1K].
  1 Admin, VSX 2006-07-13 09:28 UTC Initial database population.