WDS 21103+1008 STFA 54 AD : NOTES
| discov_num |
notes |
refcode |
| KNT 5 |
A: gam Equ = 5 Equ. A is an Alpha CVn-type variable. There apparently |
|
|
is a long-period spectroscopic binary present. |
|
| BU 71 |
AC: Optical pair, based on study of relative motion of the components |
|
|
using the method of apparent motion parameters. |
Kiy2008 |
|
AC: Rectilinear solution by Hurowitz et al. (2014). |
USN2014b |
REFERENCES
| refcode |
metd |
author |
reference |
| Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
| Kiy2008 |
|
SvAL 34, 405, 2008 |
|
| USN2014b |
lin - |
Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. |
2014IAUDS.183....1H |
| USN2014b |
|
Inf. Circ. 183, 1, 2014 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
BU |
Burnham, S.W. (BU 1 - 81) |
| 179 |
KNT |
Knott, G. |
| 204 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 21103+1008 |
STFA 54 |
AD |
2001 |
20 |
152 |
337.7 |
4.70 |
6.06 |
A9V |
D |
211020.47+100755.0 |
| 21103+1008 |
STFA 54 |
AD |
2008 |
21 |
152 |
334.6 |
4.70 |
6.06 |
A9V |
D |
211020.47+100755.0 |
| 21103+1008 |
STFA 54 |
AD |
2011 |
24 |
152 |
335.8 |
4.70 |
6.06 |
A9V |
N D |
211020.47+100755.0 |
| 21103+1008 |
STFA 54 |
AD |
2015 |
26 |
152 |
335.2 |
4.70 |
6.06 |
A9V |
N |
211020.47+100755.0 |
If you need more information about this double, apply for a
data request form to the WDS.
