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Name
Z And
AAVSO UID
Constellation
J2000.0
B1950.0
23 31 15.39 +48 32 31.0
Galactic coord.
109.979 -12.088
Other names(Internal only)
1SWASP J233339.95+484905.9
1SXPS J233339.8+484903
2E 2331.6+4834
2E 4735
2MASS J23333994+4849059
2RXP J233339.7+484900
2SXPS 7969
2XMM J233339.9+484906
3XMMJ233339.9+484906
4XMM J233339.9+484906
AAVSO 2328+48
AN 41.1901
BD+48 4093
GALEX J233339.7+484904
GALEX J233339.8+484905
GSC 03645-02066
HD 221650
HIP 116287
HV 193
IRAS 23312+4832
MWC 416
NSVS 3569143
SAO 53146
TYC 3645-2066-1
WISE J233339.94+484906.0
WISEA J233339.95+484905.7
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Variability type
ZAND
Spectral type
M2III+B1eq
Mag. range
8.0 - 12.4 p
Discoverer
--
Epoch
Outburst
--
Period
--
Rise/eclipse dur.
--
Remarks
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1
Schmeer, Patrick
Gaia DR3 parallax 0.487 ± 0.022 mas (distance 1.92 ± 0.08 kpc).
2
GCVS Team
The light curve is characterized by outbursts up to 4m with intervals of 10 - 20 years. In the intervals cyclic variations are observed with the mean period of 632d and variations with cycles of several days and Delta(m) ~ 0.1m - 0.5m. The spectrum is symbiotic, with features of a late M giant, narrow low-excitation emission lines (Bleq) and forbidden lines characteristic of highly excited nebulae.
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References
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1
Dimitrov D., Popov V., 2007, Peremennye Zvezdy 27, 2
2007PZ.....27....2D
2
Fekel, F. C.; Hinkle, K. H.; Joyce, R. R.; Skrutskie, M. F., 2000, Infrared
2000AJ....120.3255F
3
J.A.Mattei, JRAS Can 72, N1, 61- 64, 1978.
1978JRASC..72...61M
4
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
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Supporting Documents
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Campaigns/Programs
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Revision History
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