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Delta Sct

HIP 91726; Delta Sct Star Scutum (Sct) Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 4.72
Range 4.60 - 4.79
Period 4.7 hours
Variable Type Delta Scuti (Pulsating)
Spectral Type F2IIIpDel Del
Star Color Yellow-white (B-V 0.35)
Distance 130 ly

Position & Identifiers

RA 18h 42m 16.4s
Dec -09° 03' 09.0"
Constellation Scutum (Sct)
HR 7020
HIP 91726
Bayer Delta
Variable ID Del Sct
Double Cat 11581

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Stellar Notes

ADS 11581A, Delta Sct 4.98 - 5.16B, 0.193770d, 0.11636d. Beat period 5.24774d. Other periods 0.095129, 0.186872, | 0.838d. This "prototype" Delta Sct star is the least typical of its class.
Component B, 10v, gK, optical. AC, CPM? A may be close binary, about 10d orbital period.
Hyades group.

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