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Name
NSV 24397
AAVSO UID
000-BKR-731 (No observations)
Constellation
J2000.0
B1950.0
18 17 12.29 -26 24 08.5
Galactic coord.
6.010 -5.432
Other names(Internal only)
2MASS J18201905-2622464
ASAS J182019-2622.6
ASASSN-V J182019.06-262246.5
Hen 3-1674
MACHO 163.27426.43
PN KFL 17
SS73 153
WRAY 15-1864
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Variability type
ZAND+SRB
Spectral type
M5e
Mag. range
15.0 - 16.5 V
Discoverer
--
Epoch
Outburst
--
Period
1004 d (2.75 y)
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
VSP Note: Crowded area. 14.5 mag. companion 2" to the SE (see VSX remark)
2
Otero, Sebastian Alberto
Also shorter periods. MACHO data resolves the symbiotic from the surrounding stars in a very crowded area. There are at least 4 stars (mag. 16-17) inside a 8" radius and several more less than 25" apart. The variable itself is in a close pair with the brighter star UCAC4 319-167999 (V= 14.5; 2" away at 18 20 19.20 -26 22 47.8). The magnitudes published in the literature are for the blend.
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References
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1
M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
2013arXiv1312.6063G
2
Lutz, J., et al., 2010, Planetary Nebula Central Stars and Symbiotic Stars
2010PASP..122..524L
3
Lutz, J., et al., 2010, Planetary Nebula Central Stars and Symbiotic Stars
2010PASP..122..524L
4
T.D.Kinman, M.W.Feast, B.M.Lasker, NOAO Preprint No.130.
1988AJ.....95..804K
5
K.G.Henize, ApJ Suppl 30, No.4, 491, 1976.
1976ApJS...30..491H
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Location
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GCVS
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NSVS
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Pan-STARRS1 Data
Pan-STARRS1 Images
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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 = 8.97 H = 7.90 K = 7.44 J - K = 1.53
AllWISE
W1 = 7.26 W2 = 7.46 W3 = 7.04 W4 = 6.86 W1 - W2 = -0.19 W3 - W4 = 0.18
Images
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Supporting Documents
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Revision History
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