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Latest Details
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Name
  SZ Cas  
AAVSO UID
000-BBD-923 (1716 observations)  
Constellation
Cassiopeia Sequence
J2000.0
02 27 13.77 +59 27 38.2  (36.80738 +59.46061) Search nearby
B1950.0 02 23 33.22 +59 14 11.0
Proper motion
RA: 0.255 +/- 0.090 mas/yDec: -0.647 +/- 0.073 mas/ySource: Gaia DR1
Galactic coord. 134.837 -1.179
Other names

(Internal only)
2MASS J02271377+5927381 AAVSO 0219+59 AN 36.1907
ASASSN-V J022713.69+592738.1 BD+58 470 GSC 03699-01635
HIP 11420 HV 2893 IOMC 3699000038
NSVS 1793606 NSVS 1842953 NSVS 1869326
NSVS 1916112 PPM 27633 TYC 3699-1635-1
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Variability type
DCEPS
Spectral type F6-G4Ib
Mag. range
9.61 - 10.03 V
Discoverer Henrietta Leavitt (1907)
Epoch
27 Sep 1988 (HJD 2447432.39) Ephemeris
Outburst --
Period 13.639 d
Rise/eclipse dur. 43%  (5.9 d)
Remarks
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1 GCVS Team P var. Max = 2421261.66 + 13.6009d*E (JD2416700 - 21260); Max = 2426650.20 + 13.6072d*E (JD2421260 - 27170) [P.P.Parenago, Perem. Zvezdy 12, N4, 310, 1959.]; Max = 2429727.240 + 13.61744d*E (JD2427170 - 33050); Max = 2436810.92 + 13.62655d*E (JD2433050 - 38720); since JD2438720 - see Table. [A/H] = -0.6.
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References
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1 Mel'nik, A. M.; Rautiainen, P.; Berdnikov, L. N.; et al., 2015, Classical
Cepheids in the Galactic outer ring R_1R_2'
2015AN....336...70M
2 P. Pietrukowicz, W.A. Dziembowski, P. Mroz et al., 2013, arXiv:1311.5894
[astro-ph.GA]
2013arXiv1311.5894P
3 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
4 Photoelectric observations of Cepheids in UBV(RI)c (Berdnikov, 2008) 2008yCat.2285....0B
5 C.Payne, HB N883, 1931. --
6 Dunér, N. C.; Hartwig, E.; Muller, G., 1909, Benennung von neu entdeckten
veränderlichen Sternen
1909AN....182..321D
7 V.P.Smykov, Astron. Tsirk. N1094, 1980. --
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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 = 6.81H = 6.22K = 6.01J - K = 0.81
AllWISE W1 = 5.78W2 = 5.61W3 = 5.71W4 = 5.63W1 - W2 = 0.17W3 - W4 = 0.08
APASS-DR9 B = 11.50V = 9.80g' = 10.72r' = 9.36i' = 8.50B - V = 1.70
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2016-10-06 00:58 UTC Phase plot with NSVS, INTEGRAL-OMC and Berdnikov data.
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Revision History
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5 Fernig, Leo 2022-09-21 20:30 UTC Discoverer updated from 1909AN....182..321D p324
4 Otero, Sebastian Alberto 2016-10-06 00:58 UTC Type from 2015AN....336...70M. Period, rise duration and range from NSVS, INTEGRAL-OMC and Berdnikov data.
3 Admin, VSX 2013-11-27 03:16 UTC Update from [2013arXiv1311.5894P].
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.