|
|
|
 Revise  New Search
|
|
Latest Details
|
|
|
Log in to retrieve additional aliases from SIMBAD. |
|
|
| Name |
EV Lac |
|
|
| AAVSO UID |
|
| Constellation |
|
| J2000.0 |
|
| B1950.0 |
22 44 39.99 +44 04 35.4 |
| Proper motion |
|
| Galactic coord. |
100.607 -13.069 |
Other names
(Internal only)
|
|
1RXS J224650.7+442008 |
AAVSO 2242+43 |
BD+43 4305 |
|
G 216-16 |
GJ 873.0 |
HIP 112460 |
(Not logged in) Add name
|
| Variability type |
|
UV+BY |
|
|
| Spectral type |
M4.5Ve |
| Mag. range |
|
8.28 - 11.83 B |
|
|
| Discoverer |
-- |
| Epoch |
|
| Outburst |
-- |
| Period |
-- |
| Rise/eclipse dur. |
-- |
|
|
|
|
Remarks
|
|
|
Some references may be clicked to view in new window. Roll over index number to view submission details.
|
|
|
|
1 |
GCVS Team |
VB A (B 12.74mB, 10", 260deg, 1949); mu alpha = -0.065s, mu delta = -0.46". Dark companion (A = 0.0206", P = 45 yr, E = 0.5) [P. van de Kamp, S.L.Lippincott, BAAS 12, 455, 1980.]. In 1979 sinusoidal light oscillations were observed in the range 10.20m - 10.27mV: Min = 2444037.576 + 4.378d*E [B.R.Pettersen, AJ 85, 871, 1980.]. In 1974 - 76 such periodicity was not observed [F.M.Mahmoud, K.Olah, IBVS N1943, 1981.]. |
|
|
|
|
(Not logged in) Add remark
|
|
|
|
References
|
|
|
Click reference title/citation to view in new window. Roll over index number to view submission details.
|
|
|
|
|
|
|
|
|
|
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 = 6.11 | H = 5.55 | K = 5.30 | J - K = 0.81 |
|
|
|
|
Images
|
|
|
Please review Digitized Sky Survey Acknowledgment and Copyright.
|
|
|
|
|
|
|
|
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
|
2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
|
|
1 |
Admin, VSX
|
2005-12-18 01:33 UTC |
Initial upload. |
|
