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Latest Details
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| Name |
U Aqr |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
22 00 36.06 -16 52 07.4 |
| Proper motion |
| RA: 2.712 +/- 0.144 mas/y | Dec: -1.846 +/- 0.096 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
39.151 -49.812 |
Other names
(Internal only)
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Please note that aliases shown in grey link to obsolete records.
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2MASS J22031969-1637352 |
AAVSO 2157-17 |
ASAS J220320-1637.6 |
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ASASSN-V J220319.59-163734.9 |
BD-17 6424 |
CGCS 5549 |
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HE 2200-1652 |
HIP 108876 |
WISE J220319.70-163735.1 |
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| Variability type |
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RCB |
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| Spectral type |
C |
| Mag. range |
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10.8 - 18.2: V |
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| Discoverer |
Christian Peters (1881) |
| Epoch |
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| Outburst |
-- |
| Period |
37.5 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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1 |
GCVS Team |
Strong bands of 12C2, CN, lines of SrII, YII in the spectrum; hydrogen deficiency. A probable halo star (Vr ~100 km/s.). |
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(Not logged in) Add remark
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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 |
Tisserand, P.; Clayton, G. C.; Bessell, M. S.; et al., 2020, A plethora of
new R Coronae Borealis stars discovered from a dedicated spectroscopic
follow-up survey |
2020A&A...635A..14T |
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2 |
C. Koen, L. Eyer, 2002, MNRAS 331, 45 |
2002MNRAS.331...45K |
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3 |
G.Pojmanski, Acta Astronomica 52, 397, 2002. |
2002AcA....52..397P |
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4 |
Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
2001A&A...375..366C |
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5 |
W.Wenzel, MVS 2, H.2, 34, 1963. |
-- |
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6 |
Cannon, A. J., 1907, Second catalogue of variable stars |
1907AnHar..55....1C |
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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 = 9.56 | H = 9.28 | K = 8.96 | J - K = 0.60 |
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AllWISE
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W1 = 7.39 | W2 = 6.44 | W3 = 4.38 | W4 = 3.38 | W1 - W2 = 0.95 | W3 - W4 = 0.99 |
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GALEX-DR5
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NUV = 18.32 |
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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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Revision History
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