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Latest Details
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| Name |
RZ Cas |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
02 44 22.77 +69 25 32.8 |
| Proper motion |
| RA: 2.719 +/- 0.019 mas/y | Dec: 37.453 +/- 0.023 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
132.885 +9.066 |
Other names
(Internal only)
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1RXS J024854.7+693804 |
2MASS J02485548+6938034 |
AAVSO 0239+69 |
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AN 77.1906 |
BD+69 179 |
HD 17138 |
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HIP 13133 |
HR 815 |
SAO 12445 |
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TIC 302771290 |
TYC 4317-1793-1 |
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| Variability type |
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EA+DSCT |
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| Spectral type |
A3V+K0III |
| Mag. range |
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6.18 - 7.72 V |
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| Discoverer |
S. Gaposchkin |
| Epoch |
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| Outburst |
-- |
| Period |
1.19525556 d |
| Rise/eclipse dur. |
17% (4.8766 h) |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
Otero, Sebastian Alberto
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DSCT period 0.01557771 d. Period and epoch in the table are from TESS 2024 data and show a period increase (BAA-VSS Circular #203). |
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2 |
Otero, Sebastian Alberto
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DSCT period and amplitude are variable P= 0.016 d., amplitude 0.02 mag. |
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3 |
GCVS Team |
Min II 6.26. The light curve shape var; d var (0.000P <= d <= 0.009P). P var, variations are irregular. Mean elements based on visual and photographic observations: Min I = 2416886.8806 + 1.195253065d*E (JD2416800 - 26700) [A. de Sitter, BAN 7, 119, 1933.], Min I = 2432820.7853 + 1.1952517d*E (JD2426700 - 34000) [R.Szafraniec, AAB 2, 86, 1953.]. From photoelectric observations: Min I = 2432115.5827 + 1.1952472d*E (JD2429870 - 30400); Min I = 2432085.7011 + 1.195259d*E (JD2432000 - 32460); Min I = 2434349.5130 + 1.1952525d*E (JD2432450 - 34420); Min I = 2434703.3035 + 1.195238d*E (JD2434420 - 34705); Min I = 2435934.4087 + 1.1952499d*E (JD2434705 - 35950); Min I = 2438829.2818 + 1.195243d*E (JD2436800 - 39100); Min I = 2440182.3089 + 1.195259d*E (JD2439380 - 40200); Min I = 2441333.3257 + 1.195244d*E (JD2440500 - 41350); Min I = 2442327.7798 + 1.1952521d*E (JD2441550 - 42350); since JD2442850 - see Table. |
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
C. Lloyd, 2018, Autumn Eclipsing Binaries |
BAA-VSS Circular #177, 2018 |
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2 |
Lloyd, C., 2025, The period behaviour of the bright Algol binary RZ Cas |
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3 |
Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019) |
2017ARep...61...80S |
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Bob Nelson's O-C files, 2016 |
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5 |
J.Mattei, E.Mayer, M.Baldwin, Sky and Tel 60, N4, 285, 1980. |
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S.Gaposchkin, HA 115, N15, 1950. |
1956CoKon..41...18H |
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7 |
CALEB - Catalog and AtLas of Eclipsing Binaries |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 5.71 | H = 5.54 | K = 5.47 | J - K = 0.23 |
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AllWISE
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W1 = 5.49 | W2 = 5.40 | W3 = 5.47 | W4 = 5.37 | W1 - W2 = 0.09 | W3 - W4 = 0.10 |
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APASS-DR9
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Images
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Supporting Documents
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Revision History
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