AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  bet Cep  
AAVSO UID
000-BDC-449 (1386 observations)  
Constellation
Cepheus Sequence
J2000.0
21 28 39.60 +70 33 38.6  (322.16500 +70.56072) Search nearby
B1950.0 21 28 01.98 +70 20 27.3
Galactic coord. 107.539 +14.026
Other names

(Internal only)
8 Cep 1RXS J212838.8+703352 AAVSO 2127+70
ADS 15032 A BD+69 1173 HD 205021
HIP 106032 HR 8238 SAO 10057
(Not logged in)  Add name
Variability type
BCEP
Spectral type B2IIIeV
Mag. range
3.16 - 3.27 V
Discoverer --
Epoch
11 Aug 1969 (HJD 2440444.625) Ephemeris
Outburst --
Period 0.1904881
Rise/eclipse dur. 50%
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team VB A (A 6m, 0.204", 47.2deg, 1977.9; B 7.84m, A2V, 13.6", 250deg). SB1 (Porb = 10.893d) [W.S.Fitch, ApJ 158, 269, 1969.]. P var. Max(Vr) = 2417359.715 + 0.1904795d*E (JD2415750 - 22000); Max(Vr) = 2422203.790 + 0.1904844d*E + 2.9440d*10**(-11)*E**2 + 3.2671d*10**(-17)*E**3 (JD2422000 - 42630) [O.Struve, D.H.McNamara, S.M.Kung, C.Beymer, ApJ 118, 39, 1953.]. Elements given in the Table satisfy observations in 1967 - 69.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 D.F.Gray, AJ 75, 958, 1970. 1970AJ.....75..958G
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.
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 28 39.60 +70 33 38.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.