[AZ-Observing] Re: Polaris Transit

  • From: "Bill VanOrden" <beevo1@xxxxxxx>
  • To: <az-observing@xxxxxxxxxxxxx>
  • Date: Fri, 2 Mar 2007 06:55:55 -0700

Stan,


Polaris
Alpha, 1 UMi
T 4628:237:1
PPM 431   
SAO 308   
HD 8890  
RA: 02h 31m 47.080s
Dec: +89? 15' 50.90"
Mag(v): 2.00
B-V: +0.620
Spect: F7:Ib-IIv SB
Alt: 33.9?, Az: 0.5?
Transit: 16:19
Rise: ---
Set: ---


This according to MegaStar5


Polaris
The North Star
SAO 308
GSC 4628:237, HIP 11767, PPM 431, HD 8890, B+88    8
Flamsteed-Bayer: 1-Alpha Ursae Minoris
Spectral: F7:Ib-IIv SB
**** Data from Hipparcos Catalog ****
Proper motion (mas/yr): RA = 44.22, Dec = -11.74
Magnitudes Bt: 2.756, Vt: 2.067
Parallax: 7.560 mas, 132.2751 pc
Distance: 431.42 light-years, 27283753.74 astronomical units
Magnitude: 1.97
RA: 02h 39m 19.701s  Dec: +89?17'59.054" 
RA: 02h 31m 49.084s  Dec: +89?15'50.794"  (Epoch 2000)
Azm: 00?30'02"  Alt: +33?57'34" 
Always above horizon.  Transit: 16:27
Hour angle: -09h 34m 41.3s    Air mass:   1.79
Position error: 0.60 mas


This according to The Sky 5

hth

Beevo (aka Bill VanOrden)



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