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Latest Details
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Name
  AS 270  
AAVSO UID
000-BDB-757 (1515 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 05 33.73 -20 20 38.1  (271.39054 -20.34392) Search nearby
B1950.0 18 02 35.23 -20 20 55.9
Galactic coord. 9.701 +0.424
Other names

(Internal only)
2MASS J18053373-2020379 ASAS J180534-2020.6 ASAS J180534-2020.7
Hen 3-1581 IRAS 18026-2025 SS73 126
UCAC1 25437415    
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Variability type
ZAND+R
Spectral type M5.5+?
Mag. range
11.5 - 14.2 V
Discoverer MERRILL P.W. and BURWELL C.G.
Epoch
29 Mar 2000 (HJD 2451633) Ephemeris
Outburst 2001
Period 671
Rise/eclipse dur. --
Remarks
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1 oconnor, steve Usually near V=13.5. B-V +1.10 at V=11.5 during outburst in 2001 (Henden)
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References
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1 M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
[astro-ph.SR]
2013arXiv1312.6063G
2 Fekel, F. C., et al., 2007, Infrared Spectroscopy of Symbiotic Stars. V.
First Orbits for Three S-Type Systems: Henize 2-173, CL Scorpii, and AS 270
2007AJ....133...17F
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 -- 1950ApJ...112...72M
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 05 33.73 -20 20 38.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2012-10-05 15:23 UTC Orbital elements from 2007AJ....133...17F. Epoch of orbital conjunction (minimum light) given. Type and minimum magnitude from ASAS-3 data.
2 oconnor, steve 2008-06-27 11:26 UTC --
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.