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
  IRAS 18306-2106  
AAVSO UID
000-BMH-857 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 33 36.69 -21 04 06.9  (278.40289 -21.06857) Search nearby
B1950.0 18 30 37.45 -21 06 26.8
Galactic coord. 12.153 -5.704
Other names

(Internal only)
2MASS J18333668-2104069 ASASSN-V J183336.69-210407.0 DENIS J183336.6-210407
GSC2.3 SA7T084580 OGLE-BLG-LPV-264976 OGLE-III BLG311.3.58393
OGLE-IV BLG564.23.35734    
(Not logged in)  Add name
Variability type
M
Spectral type --
Mag. range
13.988 (3.328) Ic
Discoverer Prafull Sharma, Trygve Prestgard
Epoch
--
Outburst --
Period 429.9 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Prestgard, Trygve Position from 2MASS. Maximum magnitude from 2MASS. Minimum magnitude from DENIS. J= 8.36; J-K= 3.26 (2MASS).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way		 2022ApJS..260...46I
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 = 8.36H = 6.37K = 5.10J - K = 3.26
AllWISE W1 = 4.25W2 = 3.07W3 = 0.86W4 = -0.41W1 - W2 = 1.19W3 - W4 = 1.27
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 Discovery images Prestgard, Trygve 2017-06-09 03:40 UTC
(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 2023-02-21 22:15 UTC Type, period, mean magnitude and amplitude from 2022ApJS..260...46I. Gaia DR3 position.
1 Prestgard, Trygve 2017-06-09 05:09 UTC Initial submission.

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]
172.30.3.189