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Name
HR Del
AAVSO UID
Constellation
J2000.0
B1950.0
20 40 04.25 +18 58 51.5
Proper motion
RA: -2.086 +/- 0.165 mas/y Dec: -9.219 +/- 0.142 mas/y Source: Gaia DR1
Galactic coord.
63.430 -13.972
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2037+18
Downes HR Del
HIP 102190
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Variability type
NB
Spectral type
pec(NOVA)
Mag. range
3.6 - 12.1 V
Discoverer
G. E. D. Alcock
Epoch
Outburst
1967
Period
0.214165 d (5.1400 h)
Rise/eclipse dur.
--
Remarks
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1
GCVS Team
Porb = 0.170920d. The brightness began to increase on JD ~2439653. Waves with maxima on JD2439752 (4.55m), 2439799 (4.64m), followed by a sharp main Max, flat max on JD2439981 (4.09m) and final decline. Radio source.
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References
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1
R.J. Strope, B.E. Schaefer, A.A. Henden, 2010, arXiv:1004.3698v1
2010arXiv1004.3698S
2
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version)
2005JAD....11....2D
3
R.A. Downes et al., 2001, PASP 113, 764
2001PASP..113..764D
4
Catalogue of Stellar Spectral Classifications (Skiff, 2005)
1967IAUC.2030....3S
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service . These data may not be complete.
2MASS
J = 12.32 H = 12.28 K = 12.22 J - K = 0.10
AllWISE
W1 = 11.85 W2 = 11.68 W3 = 10.30 W4 = 5.99 W1 - W2 = 0.17 W3 - W4 = 4.32
APASS-DR9
B = 12.38 V = 12.40 g' = 12.29 r' = 12.44 i' = 12.89 B - V = -0.02
GALEX-DR5
FUV = 12.92 NUV = 12.72 FUV - NUV = 0.20
Images
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Supporting Documents
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Revision History
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