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Latest Details
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| Name |
AC Her |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
18 28 09.10 +21 49 53.2 |
| Proper motion |
| RA: -2.226 +/- 0.080 mas/y | Dec: -0.950 +/- 0.071 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
50.493 +14.241 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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AAVSO 1826+21 |
ASAS J183016+2152.0 |
BD+21 3459 |
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HD 170756 |
HIP 90697 |
HV 3588 |
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SAO 86134 |
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| Variability type |
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RVA |
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| Spectral type |
F2pIb-K4e(C0,0) |
| Mag. range |
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6.85 - 9.0 V |
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| Discoverer |
Mary Applegate (1921) |
| Epoch |
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| Outburst |
-- |
| Period |
75.29 d |
| 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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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 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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2 |
M.Nakagiri, Y.Yamashita, Tokyo Bull, ser. II, N260, 1979. |
1979IBVS.1565....1N |
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3 |
C.Payne-Gaposchkin, V.K.Brenton, S.Gaposchkin, HA 113, N1, 1943. |
1943AnHar.113....1P |
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4 |
Beobachtungen veranderlicher Sterne, Trudy Tashkentskoj Astronomicheskoj
Observatorii, vol. 1, pp.33-86 |
1928TrTas...1...33Z |
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5 |
Hartwig, E., 1922, Benennung von neu entdeckten veraenderlichen Sternen |
1922AN....215..185H |
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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 = 5.70 | H = 5.34 | K = 5.08 | J - K = 0.62 |
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AllWISE
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W1 = 4.58 | W2 = 3.44 | W3 = -0.09 | W4 = -2.08 | W1 - W2 = 1.14 | W3 - W4 = 1.99 |
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GALEX-DR5
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FUV = 19.96 | NUV = 15.61 | FUV - NUV = 4.36 |
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SDSS-DR12
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u = 9.99 | g = 11.26 | r = 10.29 | i = 10.05 | z = 8.65 | u - g = -1.27 | r - i = 0.24 |
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Images
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Supporting Documents
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Campaigns/Programs
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Binocular program
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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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