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January Binary Star Challenge: 14 Orionis

14 ori

 

....click here for star chart

 

14 Ori

Multiple Star System

aka HR 1664, HD 33054, SAO 112440, PPM 148485, HIP 23879, BD +08 00866, GC 6269, STT  98A, ADS 3711A, CCDM 05079+0830A, TYC 00698-2328 1, J050752.8+082954

 

R.A.: 05h07m52.9s Dec.: +08°29'54" (2000) in Orion

 

Magnitude: 5.33

 

Proper Motion:

     RA:     35.0 mas/yr

     Dec:   -59.5 mas/yr

 

Distance: 190 +/- 15.0 ly

 

V(r):    6.0 km/secAB: 5.33+6.71 mag, STT 98, ADS 3711; Reliable Orbit: P=198.9 yr, a=1.04"; PA 299° Sep 0.92" (2011.0) : not visible currently (not splittable at best)

 

Photometry:

V:  5.330

B-V:  0.340

U-B:  0.090

V-I:  0.280

R-I:  0.160

 

Visual Observing Synopsis for 2011 Jan 15

On this night 14 Ori is best visible between 18:17 and 01:47, with the optimum view at 21:50. Look for it in Orion, high in the sky in moonlight.

 

 

Apparent Data for 2011 Jan 15  EST at Cleveland, Ohio:

Apparent RA: 05h08m31.3s, Apparent Dec: +08°30'43"

Ecliptical lon: +76°42', Ecliptical lat: -14°20'

Azimuth: +243°44', Apparent Altitude: +38°07'

Zenith Distance: +51°53'

Local Sidereal Time:  08h11m

Hour Angle:  03h03m

Airmass: 1.6

Mean extincted magnitude:  5.9

 

 

From Yale Bright Star Catalog:

5.78 Am, 6.62 Am, 198.9y, a = 1.04". Mean mass 1.7 solar. Combined mag., colors. CPM with ADS 3712 = GC6270, 9.8, 8 K2 sep. 3" at 348". 0.021".

 

Chart Numbers:

Pocket Sky Atlas 14

Millennium Star Atlas Vol I Chart 231

Sky Atlas 2000 Chart 11

Uranometria 2000 Vol I Chart 180

Uranometria 2nd Ed. Chart 97

Herald-Bobroff Astroatlas B-13 C-53