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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
AH Her |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
16 42 06.12 +25 20 31.6 |
| Proper motion |
| RA: -4.545 +/- 0.660 mas/y | Dec: 4.200 +/- 0.800 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
44.850 +38.236 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 1640+25 |
AN 20.1923 |
ASASSN-V J164410.08+251501.7 |
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Downes AH Her |
GSC 02049-01115 |
PG 1642+253 |
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ROTSE1 J164409.33+251503.7 |
SVS 32 |
TYC 2049-1115-1 |
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UCAC4 577-054498 |
USNO-B1.0 1152-0246245 |
X 16421+253 |
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ZTF18adqwodi |
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(Not logged in) Add name
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| Variability type |
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UGZ/IW |
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| Spectral type |
pec(UG)+K7V |
| Mag. range |
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10.8 - 14.9 V |
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| Discoverer |
Lidiya Ceraski (1923) |
| Epoch |
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| Outburst |
-- |
| Period |
0.258116 d (6.1948 h) |
| Rise/eclipse dur. |
-- |
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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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GCVS outburst cycle is 19.8 d. |
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2 |
GCVS Team |
Porb = 5.9d:. Oscillations during outbursts: 24s <= P <= 39s, Delta(m) <= 0.003m [R.H.Hildebrand, E.J.Spillar, J.Middleditch, J.J.Patterson, R.F.Stiening, ApJ 238, L 145, 1980.]. Flicckering in Max And Min up to 0.4m in 2 - 8 minutes [W.Wargau, J.Rahe, N.Vogt, AG Mitt N45, 45, 1979.]. |
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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 |
Simonsen, M.; Boyd, D.; Goff, W.; et al., 2014, Z Cam Stars in the
Twenty-First Century |
2014JAVSO..42..177S |
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2 |
Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) |
2009ApJ...696..870D |
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3 |
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) |
2005JAD....11....2D |
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4 |
Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
2002MNRAS.337.1215N |
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5 |
R.A. Downes et al., 2001, PASP 113, 764 |
2001PASP..113..764D |
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6 |
C.Akerlof et al., AJ 119, 1901, 2000. |
2000AJ....119.1901A |
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7 |
N.Vogt, F.M.Bateson, AsAp Suppl 48, N3, 383, 1982. |
1982A&AS...48..383V |
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8 |
M.Petit, JO 43, 17, 1960. |
1960JO.....43...17P |
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9 |
Guthnick, P.; et al., 1924, Benennung von neu entdeckten veränderlichen
Sternen |
1924AN....223...41G |
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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 = 11.81 | H = 11.47 | K = 11.38 | J - K = 0.43 |
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AllWISE
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W1 = 11.29 | W2 = 11.21 | W3 = 10.79 | W1 - W2 = 0.08 |
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APASS-DR9
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B = 11.90 | V = 11.76 | g' = 11.82 | r' = 11.84 | i' = 11.93 | B - V = 0.14 |
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SDSS-DR12
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u = 14.41 | g = 14.97 | r = 15.04 | i = 14.26 | z = 13.55 | u - g = -0.56 | r - i = 0.78 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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There are currently no supporting documents on file for this star.
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Campaigns/Programs
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Z CamPaign
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Legacy CVs
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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