V1010 Oph
Observable Variable Star
Excellent (62/100)
Range: 6.1 - 7.0, Period: 15.9h, Type: EA
HIP 82339
VariableStar
Oph
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.10
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
A5V
Position & Identifiers
RA
16h 49m 27.8s
Dec
-15° 40' 03.0"
Constellation
Oph
HR
6240
HIP
82339
Variable ID
V1010 Oph
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Visibility
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Comparison Stars for V1010 Oph (6.1–7.0)
Nearby stable stars for estimating brightness (AAVSO)
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Size Comparison
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Stellar Lifecycle
Spectral Classification
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
EB 6.1 - 7.00v, 0.6614261d. Period varies. Contact binary. Temperature discontinuity at interface. All photometric | indices variable. Four-color measures by Gronbech and Olsen give +0.129(b-y), +0.184(m1), +0.887(c1), 2.810(beta) | from 3 observations.
0.6614d, K 105.5k/s, V0 -35.4k/s, asini 0.957. Mass exchange. Masses 2 and 1 solar, radii 2.1 and 1.5 solar.
Primary A7IV-V, secondary G3V. UV spectra taken from IUE show absorption Fe, Si and C in the A component.
Survey Image
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