WDS 20099+2055 STF 2637 AD : NOTES
discov_num |
notes |
refcode |
STF2637 |
the Sge = 17 Sge. STTA201 = STFA 49. B is BD+20@4455. |
|
|
AC: Optical pair, based on study of relative motion of the components |
|
|
using the method of apparent motion parameters. |
Kiy2008 |
|
BC: Mt. Wilson spectral type of B is G3, C is K1. |
|
|
AB: HJL 272. |
HJL1986 |
|
AB: H 3 24. |
MEv2010 |
REFERENCES
refcode |
metd |
author |
reference |
HJL1986 |
Pa - |
Halbwachs, J.L. |
1986A&AS...66..131H |
HJL1986 |
|
A&AS 66, 131, 1986 |
|
HJL1986 |
|
(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added |
|
HJL1986 |
|
only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113) |
|
Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
Kiy2008 |
|
SvAL 34, 405, 2008 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
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 |
20099+2055 |
STF2637 |
AD |
2000 |
7 |
227 |
170.6 |
6.56 |
|
F3V |
N D |
200956.61+205453.2 |
20099+2055 |
STF2637 |
AD |
2001 |
8 |
227 |
170.9 |
6.56 |
11.00 |
F3V |
N D |
200956.61+205453.2 |
20099+2055 |
STF2637 |
AD |
2016 |
9 |
226 |
172.8 |
6.56 |
11.94 |
F3V |
N |
200956.61+205453.2 |
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