Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
  GSC 03656-01328  
000-BCY-572 (11347 observations)  
Cassiopeia Sequence
00 09 21.99 +54 39 43.9  (2.34163 +54.66219) Search nearby
B1950.0 00 06 44.97 +54 23 02.5
Proper motion
RA: -0.771 +/- 1.274 mas/yDec: -4.809 +/- 0.653 mas/ySource: Gaia DR1
Galactic coord. 116.816 -7.709
Other names

(Internal only)
1SWASP J000921.98+543943.9 2MASS J00092196+5439439 AllWISE J000921.98+543943.8
GALEX J000922.0+543942 NSVS 1560234 PPMX J000921.9+543943
TYC 3656-1328-1 UCAC2 50134163 UCAC4 724-001885
USNO-A2 1425.00229853 USNO-B1.0 1446-0005768 VAR CAS 06
VSX J000921.8+543943 Var Cas 2006 WISE J000921.98+543943.9
(Not logged in)  Add name
Variability type
Spectral type A0V
Mag. range
7.5 - 11.4 V
Discoverer Akihiko Tago
31 Oct 2006 (HJD 2454039.969)
Outburst --
Period --
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Schmeer, Patrick The lens star is probably a low-mass star or brown dwarf, with a relatively high proper motion of >20 mas/yr (2008ApJ...677.1268G). Gaia DR2 parallax of the lensed star 0.7096 0.0422 mas (distance 1.36 0.08 kpc).
2 Admin, VSX Determined to be a microlensing event.
(Not logged in)  Add remark
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Bright New Variable in Cassiopeia AAVSO Special Notice #22
2 Gaudi, B. S.; Patterson, J.; Spiegel,D. S., 2008, Discovery of a very
bright, nearby gravitational microlensing event
3 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2007ApJ...670..423F
4 S. Nakano; A. Tago, 2006, CBET No. 711 2006CBET..711....1N
5 M. Mikolajewski; T. Tomov; A. Niedzielski; et al., 2006, ATel #931 2006ATel..931....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 = 11.02H = 11.03K = 10.97J - K = 0.05
AllWISE W1 = 10.97W2 = 11.00W3 = 11.10W1 - W2 = -0.03
APASS-DR9 B = 11.71V = 11.39g' = 11.52r' = 11.43i' = 11.53B - V = 0.33
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 Schmeer, Patrick 2020-01-31 11:20 UTC Gaia DR2 position.
4 Admin, VSX 2017-12-15 20:20 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
3 Henden, Arne 2009-05-13 18:49 UTC Original coordinates were from CBET 711 and are in error by a couple of arcsec. The revised coordinates are from Tycho2, and agree with those derived by Henden using SRO and UCAC2 during the event. A. Henden 2009
2 Admin, VSX 2006-12-05 06:43 UTC Non-variable, microlensing.
1 Wils, Patrick 2006-12-05 06:41 UTC Initial submission.