AAVSO Home



Current Time: 30 Mar 2025 17:13:45 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  EE Cep  
AAVSO UID
000-BCQ-039 (46272 observations)  
Constellation
Cepheus Sequence
J2000.0
22 09 22.75 +55 45 24.3  (332.34479 +55.75675) Search nearby
B1950.0 22 07 34.73 +55 30 38.6
Proper motion
RA: -2.372 +/- 2.213 mas/yDec: -3.594 +/- 1.127 mas/ySource: Gaia DR1
Galactic coord. 101.490 -0.217
Other names

(Internal only)
2MASS J22092274+5545242 AAVSO 2205+55 ALS 12159
ASASSN-V J220922.44+554522.9 BD+55 2693 CDS 1305
GSC 03973-00715 Gaia DR3 2197941958898810240 HBHA 5704-39
LAMOST J220922.75+554524.2 LS III +55 24 TIC 329020872
TYC 3973-715-1 [BBB73] 74 [KW97] 61-42
(Not logged in)  Add name
Variability type
E-DO
Spectral type B5III-IV+e
Mag. range
10.72 - 12.3 V
Discoverer --
Epoch
23 Oct 1997 (HJD 2450745.00) Ephemeris
Outburst --
Period 2049.53 d  (5.61 y)
Rise/eclipse dur. 2.8%  (8 weeks)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Period changes.
2 GCVS Team A var?
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Zhou, G.; Rappaport, S.; Nelson, L.; et al., 2018, Occultations from an
Active Accretion Disk in a 72-day Detached Post-Algol System Detected by K2
2018ApJ...854..109Z
2 Bob Nelson's O-C files, 2016 --
3 L.Meinunger, MVS 7, H.5, 97, 1976. --
4 L.Meinunger, IBVS N965, 1975. 1975IBVS..965....1M
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
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 = 9.60H = 9.22K = 8.55J - K = 1.05
AllWISE W1 = 7.35W2 = 6.73W3 = 5.99W4 = 5.55W1 - W2 = 0.62W3 - W4 = 0.44
APASS-DR9 B = 11.19V = 10.85g' = 10.90r' = 10.72i' = 10.62B - V = 0.34
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2024-07-02 19:05 UTC Gaia DR3 position.
4 Otero, Sebastian Alberto 2024-06-28 03:43 UTC Type from 2018ApJ...854..109Z. Epoch, eclipse duration and minimum magnitude from AAVSO data.
3 Otero, Sebastian Alberto 2015-09-16 08:54 UTC Eclipse duration from AAVSO V data.
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.