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
  IZ Lac  
AAVSO UID
000-BDS-623 (1188 observations)  
Constellation
Lacerta Sequence
J2000.0
22 13 05.59 +51 49 26.7  (333.27329 +51.82409) Search nearby
B1950.0 22 11 10.28 +51 34 33.9
Proper motion
RA: -9.1 +/- 2.1 mas/yDec: -8.2 +/- 1.0 mas/ySource: UCAC4
Galactic coord. 99.684 -3.754
Other names

(Internal only)
2MASS J22130558+5149268 GSC 03618-00596 UCAC4 710-098294
USNO-B1.0 1418-0456120 VV 343  
(Not logged in)  Add name
Variability type
EB/KE
Spectral type A3
Mag. range
12.64 - 12.97 V
Discoverer --
Epoch
24 Aug 2015 (HJD 2457258.653) Ephemeris
Outburst --
Period 0.798878 d  (19.1731 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Petriew, Vance Min II = 12.84 V
2 GCVS Team Min II 12.7.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties		 2018A&A...616A...1G
2 Bob Nelson's O-C files, 2016 --
3 W.J.Miller, A.A.Wachmann, RIC Astr 8, N12, 1971. 1971RA......8..211M
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 = 11.60H = 11.45K = 11.36J - K = 0.25
AllWISE W1 = 11.36W2 = 11.40W3 = 11.53W1 - W2 = -0.04
APASS-DR9 B = 13.12V = 12.74g' = 12.90r' = 12.55i' = 12.44B - V = 0.38
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 Phase Plot in V Petriew, Vance 2016-06-25 00:39 UTC Phase plot using PVA V-band data.
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2020-05-15 00:52 UTC Gaia DR2 position.
3 Petriew, Vance 2016-06-25 00:39 UTC Position updated from UCAC4. Epoch and range updated from PVA 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.

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]
172.30.3.32