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
  HD 188774  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
19 55 10.04 +41 17 10.3  (298.79183 +41.28619) Search nearby
B1950.0 19 53 27.67 +41 09 10.7
Proper motion
RA: 10.231 +/- 0.605 mas/yDec: 3.581 +/- 0.572 mas/ySource: Gaia DR1
Galactic coord. 76.248 +6.736
Other names

(Internal only)
2MASS J19551004+4117101 ASASSN-V J195510.10+411710.7 BD+40 3942
GSC 03145-02385 KIC 5988140 PPM 59031
SAO 48973 TYC 3145-2385-1  
(Not logged in)  Add name
Variability type
ELLROTGDOR+DSCT
Spectral type A7.5III/IV
Mag. range
8.81 V (0.002)Kp
Discoverer --
Epoch
13 Sep 2009 (HJD 2455087.62) Ephemeris
Outburst --
Period 2.90711 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 Several DSCT-type frequencies, the one with the largest amplitude has a period of 0.06978 d.
2 2012arXiv1210.8432L Long period photometric and radial velocity variations of unknown origin.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 P. Lampens, A. Tkachenko, H. Lehmann et al., 2012, arXiv:1210.8432
[astro-ph.SR]		 2012arXiv1210.8432L
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 = 8.27H = 8.18K = 8.16J - K = 0.11
AllWISE W1 = 8.12W2 = 8.13W3 = 8.13W4 = 8.07W1 - W2 = -0.02W3 - W4 = 0.06
APASS-DR9
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.
2 Otero, Sebastian Alberto 2012-11-02 09:55 UTC Type from 2012arXiv1210.8432L.
1 Admin, VSX 2012-11-02 04:44 UTC Preserved original object data.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.1.224