WDS 20099+2055 STF 2637 BC : 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 |
BC |
2004 |
51 |
215 |
94.3 |
8.90 |
7.30 |
|
NLD |
200956.25+205504.3 |
| 20099+2055 |
STF2637 |
BC |
2013 |
56 |
216 |
94.5 |
8.85 |
7.52 |
|
NL |
200956.25+205504.3 |
| 20099+2055 |
STF2637 |
BC |
2016 |
57 |
215 |
95.9 |
8.85 |
7.52 |
F2 |
NL |
200956.25+205504.3 |
| 20099+2055 |
STF2637 |
BC |
2017 |
59 |
215 |
95.7 |
8.85 |
7.52 |
F2 |
NL |
200956.25+205504.3 |
If you need more information about this double, apply for a
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