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Latest Details
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Name
  DT Vul  
AAVSO UID
000-BDC-292 (No observations)  
Constellation
Vulpecula Sequence
J2000.0
20 25 09.01 +26 48 46.4  (306.28754 +26.81289) Search nearby
B1950.0 20 23 02.50 +26 38 56.9
Galactic coord. 67.453 -6.323
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J20250901+2648463 AAVSO 2020+26 AKARI-IRC-V1 2025090+264846
AN 726.1933 ASAS J202509+2648.8 ASASSN-V J202508.96+264846.7
GSC2.3 N33S114520 IRAS Z20230+2638 NSVS 8552694
NSVS J2025088+264851 SVS 473 UCAC4 585-106441
USNO-B1.0 1168-0519708 WISE J202509.01+264846.4  
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Variability type
M
Spectral type --
Mag. range
12.1 - <17.4 V
Discoverer --
Epoch
20 Oct 2008 (HJD 2454760) Ephemeris
Outburst --
Period 300 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto VSP Note: 15.8 mag. star 8" to the NW, 16.3 mag. star 11" to the SSE and 14.1 mag. star 15" to the WSW.
2 Ditkovsky, Alexandr J-K= 1.59. NSVS and ASAS-3 magnitudes contaminated by 2MASS J20250859+2648523 (V= 15.8:; sep. 8"), 2MASS J20250924+2648353 (V= 16.3; J-K= 0.75; sep. 11") and 2MASS J20250796+2648412 (V= 14.1; J-K= 0.94; sep. 15"). NSVS magnitudes also contaminated by 2MASS J20250772+J2649156 (V= 15.3; J-K= 0.91; sep. 34"), GSC 02164-00455 (V= 13.6; J-K= 0.82; sep. 41"), 2MASS J20250642+2649109 (V= 16.4; J-K= 0.86; sep. 42"), 2MASS J20250642+2648235 (V= 16.0; J-K= 0.53; sep. 41"), 2MASS J20250740+2648092 (V= 16.1; J-K= 0.58; sep. 43"), 2MASS J20250822+2649288 (V= 15.2; J-K= 0.73; sep. 44"), 2MASS J20250577+2648598 (V= 16.7; J-K= 0.50; sep. 45"), 2MASS J20251230+2648438 (V= 16.0; J-K= 0.68; sep. 44") and 2MASS J20250925+2649351 (V= 14.7; J-K= 0.42; sep. 49"). Range has been corrected.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
2 Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 2004AJ....127.2436W
3 E.Ahnert-Rohlfs, VSS 2, N2, 1954. --
4 S.Belyawsky, Perem. Zvezdy 4, 265, 1934. --
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 = 7.62H = 6.67K = 6.04J - K = 1.59
AllWISE W1 = 5.75W2 = 5.17W3 = 4.45W4 = 3.90W1 - W2 = 0.58W3 - W4 = 0.55
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 25 09.01 +26 48 46.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Ditkovsky, Alexandr 2014-04-01 18:56 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Ditkovsky, Alexandr 2014-04-01 18:56 UTC Period, epoch and maximum magnitude from ASAS-3 and NSVS data. Minimum magnitude from YB6.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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