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Name
  LT Cep  
AAVSO UID
000-BDL-356 (No observations)  
Constellation
Cepheus Sequence
J2000.0
21 33 17.78 +57 48 13.5  (323.32408 +57.80374) Search nearby
B1950.0 21 31 47.48 +57 34 51.9
Proper motion
RA: -6.4 +/- 4.9 mas/yDec: -6.8 +/- 5.4 mas/ySource: UCAC4
Galactic coord. 98.939 +4.480
Other names

(Internal only)
1SWASP J21331779+574813.8 2MASS J21331777+5748134 ASASSN-V J213317.86+574813.9
IPHAS J213317.77+574813.5 IRAS 21317+5734 USNO-B1.0 1478-04352201
ZTF J213317.77+574813.4 [NSW2012] 13  
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Variability type
CTTS
Spectral type em
Mag. range
15.0 - 16.3 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Wunder, Edgar In H II region IC 1396. B-V= 1.16 (from APASS) inconsistent with RR Lyr type.
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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 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
4 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2012AJ....143...61N
5 Butters, O. W., et al., 2010, The first WASP public data release 2010A&A...520L..10B
6 A.A.Wachmann, IBVS N749, 1972 (IBVS N770, 1973- corrections). 1972IBVS..749....1W
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 = 12.25H = 10.96K = 9.83J - K = 2.42
AllWISE W1 = 8.11W2 = 7.15W3 = 4.07W4 = 2.14W1 - W2 = 0.96W3 - W4 = 1.93
APASS-DR9 B = 16.87V = 15.72g' = 16.30r' = 15.24i' = 14.72B - V = 1.16
Images
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Supporting Documents
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1 Light curve Wunder, Edgar 2013-05-07 14:06 UTC
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Stellar Association Membership
 Trumpler 37 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6 Otero, Sebastian Alberto 2021-10-26 10:44 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
5 Otero, Sebastian Alberto 2020-05-24 17:33 UTC Range from the GCVS (November 2019 version). Gaia DR2 position.
4 Admin, VSX 2017-12-15 14:01 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
3 Wunder, Edgar 2013-05-07 02:17 UTC Position from UCAC4. Range from SuperWASP data. Type from 2012AJ....143...61N and 2011MNRAS.415..103B.
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.