David's Astronomy Pages
CCD Images - Session 128 (2006-06-14)

Previous Imaging Session
Images
(S127)
  Home
Images
Sessions
  Home
Home
Page
  Next Imaging Session
Images (S129)
 
Objects Session Notes
Bullet 61 Cygni - Star (the 'flying star')
Bullet SS Cyg - Variable Star
Bullet Groombridge 1830 - Nearby star
Bullet Gliese 412 - Nearby star system / WX UMa
Bullet HIP 67593 - Nearby star
Bullet Barnard's Star
Bullet R CrB - Variable Star
Bullet U Oph - Variable Star
- 1 hr 40m session 
(+ 3 hour extension for -15c Dark Library)
- bright sky due to astronomical twilight conditions
- opportunity was taken to acquire images for astrometric analysis of several nearby stars. 
- More Notes
-

61 Cygni - Star (The 'flying star')

Astrometric measurements made, as part of a ongoing study to attempt to measure proper motion and annual parallax of 61 Cygni.
( 61 Cygni Project )

Back to Top


SS Cyg - Variable Star

Measurements made in B, V, R filters.   Magnitudes similar to images on 2006-05-24

Back to Top


Groombridge 1830 - Nearby star 

Astrometric measurements made, as part of a ongoing study to attempt to measure proper motion and annual parallax of Groombridge 1830.
(Groombridge 1830 Project )

Groombridge 1830  (Ursa Major)
Nearby star - 29.9 light years from the Sun
Star with 3rd largest proper motion

Image
Annotated CCD Image (50% size)
4 x 20s exposure (Median Average combine), 1x1 binning, C Filter 
2006-06-15 00:46 hUT (#128053-58)
 
Astrometry measurement of Gliese 412  based on 4 images (#128053-58)
1x1 binning, 20s exposure, C Filter
Date/Time (UT) Star RA (epoch 2000) Dec (epoch 2000)  
2006-06-15 00:46  Groombridge 1830 11h 53m 00.94s +/-0.02s +37d 42m 29.54s +/-0.24s  
Average Position, Errors bars at +/-1 SD

Back to Top


Gliese 412 - Nearby star system / WX UMa

Astrometric measurements made, as part of a ongoing study to attempt to measure proper motion and annual parallax of Gliese 412.
(Gliese 412 )

Gliese 412  (Ursa Major)
Nearby star system - 15.8 light years from the Sun 
Binary Star WDS VBS 18 
A - HIP 54211
B - GCVS WX UMa (1100+44)
[ Notes : Measured Separation : 31.3 arc secs, PA 126.3 deg
The magnitude for B component (+12.4) appears to be 
significantly brighter than its catalog range (+14.2 to +16.5) ] 

Image
Annotated CCD Image (50% size)
7 x 5s exposure (Average median combine), 1x1 binning, C Filter 
2006-06-15 00:55 hUT (#128062-68)
 
Astrometry measurement of Gliese 412  based on 7 images (#128062-68)
1x1 binning, 5s exposure, C Filter
Date/Time (UT) Star RA (epoch 2000) Dec (epoch 2000)  
2006-06-15 00:55  Gliese 412 A 11h 05m 25.94s +/-0.01s +43d 31m 42.34s +/-0.22s  

2006-06-15 00:55 

Gliese 412 B 11h 05m 28.26s +/-0.02s +43d 31m 23.83s +/-0.16s  
Average Position, Errors bars at +/-1 SD

Back to Top


Barnard's Star (HIP 87937)

Astrometric measurements made, as part of a ongoing study to attempt to measure proper motion and annual parallax of Barnard's Star.
(Barnards Star Project)

Barnard's Star, HIP 87937  (Ophiuchus) 
a nearby star with large proper motion, 
only 5.94 light years from Solar System
Image 
Annotated CCD Image (50% size)
7 x 10s exposure (Average Median combine), 1x1 binning, C Filter 
2006-06-15 01:06 hUT (#128075-81)
 
Motion of Barnard's Star  ( 2005-09-30   to  2006-06-15 )
[Measured Proper Motion 10.9 arc sec/year
 (based on 0.7 year observation window) ]
 Image
 
Astrometry measurement of Barnard's Star based on 7 images 
(#128075-81), 1x1 binning, 10s exposure, C Filter
(16 to 25 UCAC2 stars solution)
Date (UT) Star RA (epoch 2000) Dec (epoch 2000)  
2006-05-06 01:05 Barnard's, HIP 97937 17h 57m 48.13s +/-0.01s +04d 42m 42.92s +/-0.10s  
Errors bars at +/-1 SD

Back to Top


HIP 67593 - Nearby star 

HIP 67593  (Bootes) - BD+24 2650B
Nearby star ?7.9 / ?9.6 light years from the Sun
Star with 6th largest proper motion
Binary Star (WD HJ 2688)
A : HIP 67594
B : HIP 67593
[ Notes : Measured Separation : 29.7 arc secs, PA 292.2 deg ]

Image
Annotated CCD Image (50% size)
5 x 60s exposure (Average median combine), 1x1 binning, C Filter 
2006-06-15 01:14 hUT (#128085-89)
 
Astrometry measurement of HIP 67593  based on 5 images (#128085-89)
1x1 binning, 60s exposure, C Filter
Date/Time (UT) Star RA (epoch 2000) Dec (epoch 2000)  
2006-06-15 01:14  HIP 67594 (A) 13h 51m 02.91s +/-0.01s +23d 45m 44.66s +/-0.12s  
2006-06-15 01:14  HIP 67593 (B) 13h 51m 00.91s +/-0.01s +23d 45m 55.85s +/-0.09s  
Average Position, Errors bars at +/-1 SD

Back to Top


R CrB - Variable Star

R CrB (Corona Borealis)

Image
Annotated CCD Image
3 x 30s exposure (average combine), 2x2 binning, C Filter 
2006-06-15 01:21 hUT (#128092-94)

Back to Top


U Oph - Variable Star

U Oph / SAO 122226 (Ophiuchus)
(B-V 0.02)

Image
Annotated CCD Image
3 x 30s exposure (average combine), 2x2 binning, C Filter 
2006-06-15 01:33 hUT (#128092-94)

 

Reference Star - SAO 122418 (Ophiuchus)
B +5.70,   V +5.45 (B-V 0.25)

Image
Annotated CCD Image
3 x 30s exposure (average combine), 2x2 binning, C Filter 
2006-06-15 01:28 hUT (#128100-02)

Back to Top


This Web Page: CCD Images - Session 128 (2006-06-14)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site