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| Name |
GR Nor |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
16 04 00.48 -58 49 16.4 |
| Proper motion |
| RA: -17.4 +/- 5.2 mas/y | Dec: -13.2 +/- 5.2 mas/y | Source: UCAC4 |
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| Galactic coord. |
326.008 -5.203 |
Other names
(Internal only)
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2MASS J16081140-5857149 |
ASAS J160812-5857.1 |
GSC 08722-00394 |
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UCAC4 156-170151 |
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| Variability type |
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RS: |
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| Spectral type |
G/K:IIIe |
| Mag. range |
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12.5 - 13.1 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
1.96170 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 |
Otero, Sebastian Alberto
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The star showing the 12.6-13.0 range in the GCVS and with V= 12.7 in Skiff (2013) is not the star identified as such in those catalogues but a star 17" to its SW. It has B-V= 1.18 (APASS) and J-K= 0.66 (2MASS). The combined magnitude of the 3" pair formerly identified as GR Nor is a whole magnitude fainter, V= 13.7 (UCAC4 156-170166, V~14.2; UCAC4 156-170163, V~14.6). ASAS-3 range (blended?) V= 12.6 - 13.1. APASS single observation V= 12.55 (blended?), V= 12.83 in SPM 4.0 and V= 12.6 derived from UCAC3. Observations in IBVS #4422 agree with these colors and magnitudes. If the variable was the 14th mag. pair and the 12.6 mag. star was constant, the ASAS magnitude couldn't be as faint as V= 13.1. |
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2 |
GCVS Team |
[A/H] = 0.9. |
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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 |
Pojmanski, G., 2002, The All Sky Automated Survey |
2002AcA....52..397P |
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2 |
Berdnikov, L. N.; Turner, D. G., 1997, Photoelectric BVIc Observations for
the RS CVn Star GR Normae |
1997IBVS.4422....1B |
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3 |
Lloyd Evans, T., 1984, The spectra of seven variable stars |
1984Obs...104..221L |
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Catalogue of Stellar Spectral Classifications (Skiff, 2005) |
1984Obs...104..221L |
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W.E.Kruytbosch, BAN 6, 233, 1932. |
1932BAN.....6..233K |
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6 |
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al. |
-- |
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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 = 9.99 | H = 9.33 | K = 9.13 | J - K = 0.86 |
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AllWISE
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W1 = 9.13 | W2 = 9.10 | W3 = 8.86 | W4 = 8.71 | W1 - W2 = 0.03 | W3 - W4 = 0.16 |
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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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3 |
Otero, Sebastian Alberto
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2013-11-19 09:34 UTC |
Identification from available photometry. Type from 1984Obs...104..221L and IBVS #4422. Range from APASS, ASAS-3 and IBVS #4422. Period and epoch of minimum from ASAS-3 data. UCAC4 position. |
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2 |
Admin, VSX
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2007-04-04 09:53 UTC |
Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B]. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial database population. |
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