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Latest Details
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Name
  RZ Peg  
AAVSO UID
000-BCP-955 (11899 observations)  
Constellation
Pegasus Sequence
J2000.0
22 05 52.97 +33 30 24.8  (331.47071 +33.50689) Search nearby
B1950.0 22 03 40.48 +33 15 46.8
Proper motion
RA: -5.078 +/- 0.064 mas/yDec: -4.947 +/- 0.086 mas/ySource: Gaia DR1
Galactic coord. 87.560 -17.760
Other names

(Internal only)
2MASS J22055296+3330246 AAVSO 2201+33B AN 51.1906
ASASSN-V J220553.08+333024.0 BD+32 4335 N DO 21164
GSC 02724-01872 HD 209890 HIP 109089
HV 1211 IRAS 22036+3315 IRC +30484
TYC 2724-1872-1    
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Variability type
M
Spectral type C9,1e(Ne)(Tc)/CSe
Mag. range
7.6 - 13.6 V
Discoverer Williamina Fleming (1906)
Epoch
05 Oct 1982 (HJD 2445248.0) Ephemeris
Outburst --
Period 436.7 d
Rise/eclipse dur. 44%  (192 d)
Remarks
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1 Otero, Sebastian Alberto VSP Note: The 12.3 Vmag. star RY Peg lies 18" to the WSW and is constant.
2 GCVS Team VB A (B = RY Peg:20", 252deg). SC 6/9 - e. P var. Max = 2423361 + 441.4d*E (JD2411400 - 26450); Max = 2431215 + 434.0d*E (JD2426400 - 33000); since JD2433000 - see Table.
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References
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1 Dunér, N. C.; Hartwig, E.; Muller, G., 1907, Benennung von neu entdeckten
veränderlichen Sternen
1907AN....176..181.
2 T. Karlsson, Maxima of Mira stars --
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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Location    Go   
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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 = 3.93H = 2.85K = 2.13J - K = 1.81
AllWISE W3 = 0.44W4 = -0.03W3 - W4 = 0.47
APASS-DR9 V = 9.39g' = 11.93r' = 8.12i' = 6.72
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 22 05 52.97 +33 30 24.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
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4 Fernig, Leo 2022-09-21 20:29 UTC Discoverer updated from 1907AN....176..181. p192
3 Otero, Sebastian Alberto 2014-03-11 07:59 UTC Period from AAVSO data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.