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Name
  NSV 22581  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 33 47.26 -27 19 26.3  (263.44692 -27.32397) Search nearby
B1950.0 17 30 39.43 -27 17 25.4
Proper motion
RA: -37.7 +/- 3.0 mas/yDec: 5.8 +/- 2.9 mas/ySource: UCAC4
Galactic coord. 359.979 +3.066
Other names

(Internal only)
2MASS J17334728-2719266 ASASSN-V J173347.19-271927.4 Gaia DR3 4061345440525803776
OGLE-BLG-LPV-241930 OGLE-IV BLG611.15.9092 Terz V 2513
VPHASDR2 J173347.3-271926.3 VVV J173347.27-271926.42  
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Variability type
ZAND+M
Spectral type M2e
Mag. range
15.1: - 17.5: r
Discoverer A. Terzan, E. Gosset
Epoch
--
Outburst --
Period 179.04 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: The red variable OGLE-BLG-LPV-241932 is 2" to the SE.
2 Otero, Sebastian Alberto The Terzan object is the blend of two red variables. Since the Terzan amplitude is very large (10 mag., R= <8.0 - 18.0:), the object with the largest amplitude among those two has been chosen as the NSV star. The companion is OGLE-BLG-LPV-241932; sep. 2.0".
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References
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1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way
2022ApJS..260...46I
2 Akras, S.; et al., 2019, A Census of Symbiotic Stars in the 2MASS, WISE,
and Gaia Surveys
2019ApJS..240...21A
3 A.Terzan, E.Gosset, AsAp Suppl 90, No.3, 451, 1991. 1991A&AS...90..451T
External Links
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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 = 9.32H = 7.91K = 7.26J - K = 2.06
AllWISE W1 = 6.32W2 = 5.87W3 = 4.72W4 = 4.03W1 - W2 = 0.45W3 - W4 = 0.69
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2023-01-05 04:40 UTC Type from 2019ApJS..240...21A and 2022ApJS..260...46I. Period from 2022ApJS..260...46I. Maximum magnitude from Pan-STARRS1. Minimum magnitude from VPHAS+ DR2. Gaia DR3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.