07201+2159 STF 1066 (Wasat)
07h 20m 07.39s +21° 58' 56.4" P.A. 229.00 sep 5.5 mag 3.55,8.18 Sp F2V+K6V dist. 18.54 pc (60.48 l.y.)
Coord 2000 |
07201+2159 |
|
Discov num |
STF1066 |
|
Comp |
|
|
Coord arcsec 2000 |
07 20 07.39 +21 58 56.4 |
|
Date first |
1822 |
|
Date last |
2018 |
|
Obs |
274 |
|
Pa first |
198 |
|
Pa last |
228.9 |
|
P.A. Now (θ) |
228.9° |
|
Sep first |
7.1 |
|
Sep last |
5.541 |
|
Sep. Now (ρ) |
5.541" |
|
Mag pri |
3.55 |
|
Mag sec |
8.18 |
|
delta mag (ΔM) |
4.63 |
|
Spectral class |
F2V+K6V (yellow-white/yellow-orange) |
|
Pri motion ra |
-028 |
|
Sec motion ra |
-028 |
|
Pri motion dec |
-015 |
|
Sec motion dec |
-013 |
|
Notes |
N
O
T
(See Notes, Orbital solution, Parallax indicates physical) |
|
rPM=0.063 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Common name |
Wasat |
|
Constellation |
Gemini |
|
SAO |
79294 |
|
HIP |
35550 |
|
Tycho2 |
1359-02672-1 |
|
Gaia DR2 |
866177431953646464 |
|
HD |
56986 |
|
HR |
2777 |
|
GC |
9755 |
|
ADS |
5983 |
|
GL |
Gl 271A |
|
BD |
BD+22 1645 |
|
Bayer |
Delta Geminorum |
|
Bayer name |
Del Gem |
|
Flamsteed |
55 Geminorum |
|
Flamsteed name |
55 Gem |
|
FK5 |
279 |
|
Distance |
18.54 |
|
Distance ly |
60.48 |
|
Bayer greek |
δ Gem |
|
Meaning |
the center of the sky |
|
ORBITAL ELEMENTS
Period (P) | 1418.4375y | ± 625.7623 |
Periastron (T) | 2150.9833y | ± 47.4472 |
Semi-major axis (a) | 7.76117a | ± 2.62776 |
Eccentricity (e) | 0.70913 | ± 0.24789 |
Inclination (i) | 51.036° | ± 13.893 |
Longitude of periastron (ω) | 268.361° | ± 11.904 |
Node (Ω) | 70.828° | ± 34.531 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2013 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
224.9 |
5.827 |
2001 |
225.1 |
5.812 |
2002 |
225.3 |
5.796 |
2003 |
225.5 |
5.781 |
2004 |
225.7 |
5.765 |
2005 |
225.9 |
5.750 |
2006 |
226.1 |
5.734 |
2007 |
226.3 |
5.718 |
2008 |
226.5 |
5.702 |
2009 |
226.7 |
5.686 |
2010 |
227.0 |
5.669 |
2011 |
227.2 |
5.653 |
2012 |
227.4 |
5.637 |
2013 |
227.6 |
5.620 |
2014 |
227.8 |
5.603 |
2015 |
228.0 |
5.586 |
2016 |
228.2 |
5.569 |
2017 |
228.5 |
5.552 |
2018 |
228.7 |
5.535 |
2019 |
228.9 |
5.517 |
2020 |
229.1 |
5.499 |
2021 |
229.4 |
5.482 |
2022 |
229.6 |
5.464 |
2023 |
229.8 |
5.446 |
2024 |
230.0 |
5.427 |
2025 |
230.3 |
5.409 |
2026 |
230.5 |
5.391 |
2027 |
230.7 |
5.372 |
2028 |
231.0 |
5.353 |
2029 |
231.2 |
5.334 |
2030 |
231.4 |
5.315 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 07201+2159 STF1066 A |
coord_arcsec_2000 | 072007.39+215856.4 |
Period (P) | 2238.6001d (6.13y) | |
Periastron (T) | 15466.5d (1901.222y) | |
Semi-major axis (a) | 14.31m | ± 16.41 |
Eccentricity (e) | 0.353 | |
Inclination (i) | 92.4° | ± 3.89 |
Longitude of periastron (ω) | 214.6° | |
Node (Ω) | 70.04° | ± 9.45 |
Notes | n | |
Reference | HIP1997d | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
75.6 |
0.005 |
2001-01-01 |
70.5 |
0.016 |
2002-01-01 |
69.0 |
0.018 |
2003-01-01 |
66.7 |
0.011 |
2004-01-01 |
296.2 |
0.001 |
2005-01-01 |
250.7 |
0.010 |
2006-01-01 |
81.0 |
0.002 |
2007-01-01 |
70.7 |
0.016 |
2008-01-01 |
69.2 |
0.018 |
2009-01-01 |
67.1 |
0.012 |
2010-01-01 |
36.1 |
0.001 |
2011-01-01 |
251.4 |
0.009 |
2012-01-01 |
169.9 |
|
2013-01-01 |
71.0 |
0.015 |
2014-01-01 |
69.4 |
0.018 |
2015-01-01 |
67.5 |
0.013 |
2016-01-01 |
55.3 |
0.003 |
2017-01-01 |
252.1 |
0.009 |
2018-01-01 |
240.9 |
0.003 |
2019-01-01 |
71.3 |
0.013 |
2020-01-01 |
69.5 |
0.018 |
2021-01-01 |
67.8 |
0.014 |
2022-01-01 |
60.6 |
0.004 |
2023-01-01 |
253.0 |
0.008 |
2024-01-01 |
245.9 |
0.005 |
2025-01-01 |
71.7 |
0.012 |
2026-01-01 |
69.7 |
0.018 |
2027-01-01 |
68.1 |
0.015 |
2028-01-01 |
63.1 |
0.006 |
2029-01-01 |
254.3 |
0.006 |
2030-01-01 |
247.8 |
0.007 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 07201+2159 STF 1066 (Wasat) : NOTES
discov_num |
notes |
refcode |
STF1066 |
del Gem = 55 Gem = Wasat. CHE 85. |
|
|
Star A is an occultation double and SB1, P = 6.129 yr. |
|
|
Hipparcos astrometric solution adopted some elements from the orbit of |
HIP1997d |
|
Abt (1965). |
AbH1965 |
|
H 2 27. |
MEv2010 |
REFERENCES
refcode |
metd |
author |
reference |
AbH1965 |
- |
Abt, H.A. |
1965A&AS...11..429A |
AbH1965 |
|
A&AS 11, 429, 1965 |
|
HIP1997d |
orb - |
Hipparcos |
1997yCat.1239....0E |
HIP1997d |
|
Hipparcos Catalog, ESA SP-1200, 1997 |
|
HIP1997d |
|
(DMSA/O Orbital Solutions) |
|
Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
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 |
07201+2159 |
STF1066 |
|
2006 |
230 |
225 |
5.4 |
3.55 |
8.18 |
A9III K3V |
NOD |
072007.39+215856.4 |
07201+2159 |
STF1066 |
|
2009 |
232 |
226 |
5.6 |
3.55 |
8.18 |
A9III K3V |
NOD |
072007.39+215856.4 |
07201+2159 |
STF1066 |
|
2012 |
240 |
228 |
5.6 |
3.55 |
8.18 |
A9III K3V |
NOD |
072007.39+215856.4 |
07201+2159 |
STF1066 |
|
2013 |
254 |
230 |
5.6 |
3.55 |
8.18 |
A9III K3V |
NOD |
072007.39+215856.4 |
07201+2159 |
STF1066 |
|
2015 |
258 |
228 |
5.7 |
3.55 |
8.18 |
A9III+K3V |
NO |
072007.39+215856.4 |
07201+2159 |
STF1066 |
|
2016 |
267 |
230 |
5.5 |
3.55 |
8.18 |
A9III+K3V |
NO |
072007.39+215856.4 |
07201+2159 |
STF1066 |
|
2017 |
268 |
234 |
5.4 |
3.55 |
8.18 |
A9III+K3V |
NO |
072007.39+215856.4 |
07201+2159 |
STF1066 |
|
2018 |
273 |
229 |
5.5 |
3.55 |
8.18 |
A9III+K3V |
NO |
072007.39+215856.4 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 07201+2159 STF 1066 (Wasat) : VISUAL OBSERVATIONS REPORTS
WDS 07201+2159 STF 1066 (Wasat) : MEASURES
No records found.
WDS 07201+2159 (Wasat) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 07201+2159 (Wasat) : ALADIN DSS IMAGE @ 07h 20m 07.39s +21° 58' 56.4"
WDS 07201+2159 STF 1066 (Wasat) : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
Wasat |
07201+2159 |
STF1066 |
|
229 |
5.5 |
|
Show |
|
07194+2201 |
HDS1023 |
|
69 |
0.7 |
11 |
Show |
|
07200+2210 |
HO 33 |
|
328 |
2.7 |
11 |
Show |
|
07182+2157 |
COU 276 |
|
230 |
1.1 |
27 |
Show |
|
07227+2205 |
HO 345 |
AB |
286 |
1.2 |
37 |
Show |
|
07227+2205 |
HO 345 |
AC |
230 |
24.5 |
37 |
Show |
|
07175+2142 |
UC 1559 |
|
259 |
90.8 |
41 |
Show |
|
07190+2122 |
COU 88 |
|
160 |
0.4 |
41 |
Show |
|
07230+2213 |
RAO 217 |
|
20 |
0.3 |
43 |
Show |
|
07216+2118 |
OCC 279 |
|
-1 |
0.1 |
46 |
Show |
|
07190+2243 |
HJ 416 |
|
78 |
9.5 |
47 |
Show |
|
07167+2206 |
GRV 731 |
|
267 |
27.7 |
49 |
Show |
|
07205+2247 |
POU2702 |
|
105 |
9.9 |
49 |
Show |
|
07213+2250 |
POU2712 |
|
208 |
15.0 |
54 |
Show |
|
07239+2212 |
COU 277 |
|
248 |
1.0 |
55 |
Show |
|
07192+2255 |
POU2682 |
|
88 |
6.2 |
58 |
Show |
|
07186+2255 |
POU2669 |
|
73 |
11.0 |
61 |
Show |
|
07187+2258 |
BKO 725 |
|
204 |
21.5 |
62 |
Show |
|
07184+2257 |
WLY 2 |
|
264 |
16.3 |
63 |
Show |
|
07192+2058 |
HDS1019 |
AB |
159 |
0.1 |
63 |
Show |
|
07192+2058 |
KPP4367 |
AB,C |
334 |
32.0 |
63 |
Show |
|
07191+2301 |
POU2680 |
|
256 |
12.9 |
64 |
Show |
|
07156+2210 |
OCC9133 |
|
-1 |
0.0 |
64 |
Show |
|
07156+2158 |
BLL 20 |
|
265 |
94.4 |
64 |
Show |
|
07224+2255 |
POU2728 |
|
346 |
13.3 |
64 |
Show |
|
07241+2127 |
STF1081 |
AB |
234 |
1.9 |
65 |
Show |
|
07241+2127 |
STF1081 |
AC |
63 |
107.0 |
65 |
Show |
|
07216+2301 |
POU2717 |
|
342 |
13.2 |
65 |
Show |
|
07187+2302 |
POU2671 |
|
218 |
10.8 |
67 |
Show |
|
07181+2304 |
POU2654 |
|
177 |
4.7 |
72 |
Show |
|
07183+2307 |
POU2664 |
|
230 |
13.3 |
73 |
Show |
|
07162+2248 |
POU2622 |
|
253 |
14.0 |
74 |
Show |
|
07236+2255 |
POU2738 |
|
186 |
6.3 |
75 |
Show |
|
07182+2310 |
POU2661 |
|
252 |
4.2 |
76 |
Show |
|
07191+2314 |
POU2681 |
|
33 |
11.4 |
77 |
Show |
|
07196+2317 |
POU2690 |
|
205 |
9.9 |
78 |
Show |
|
07157+2247 |
BKO 723 |
AB |
16 |
5.4 |
79 |
Show |
|
07157+2247 |
BKO 723 |
AC |
308 |
7.8 |
79 |
Show |
|
07156+2246 |
POU2610 |
|
182 |
8.5 |
79 |
Show |
|
07171+2305 |
POU2635 |
|
172 |
11.2 |
79 |
Show |
|
07186+2316 |
POU2670 |
|
314 |
11.7 |
80 |
Show |
|
07225+2312 |
POU2730 |
|
185 |
12.3 |
80 |
Show |
|
07229+2310 |
POU2735 |
|
275 |
7.0 |
81 |
Show |
|
07180+2324 |
POU2649 |
|
36 |
15.8 |
81 |
Show |
|
07260+2205 |
AG 140 |
|
176 |
2.2 |
82 |
Show |
|
07146+2130 |
OCC 816 |
|
-1 |
0.1 |
83 |
Show |
|
07261+2153 |
OCC 634 |
Aa,Ab |
-1 |
0.1 |
84 |
Show |
|
07261+2153 |
BID 2 |
AB |
321 |
100.3 |
84 |
Show |
|
07171+2311 |
POU2637 |
|
344 |
4.4 |
84 |
Show |
|
07152+2249 |
POU2603 |
|
103 |
11.0 |
85 |
Show |
|
07160+2302 |
POU2618 |
AB |
235 |
8.9 |
85 |
|
|
WDS 07201+2159 : COMPONENTS
07201+2159 A
Componente originario normalizzato |
AB |
|
Common name |
Wasat |
|
Meaning |
the center of the sky |
|
Other names |
Wesat |
|
Coord arcsec 2000 |
072007.39+215856.4 |
|
Mag |
3.55 |
|
Spectral class |
F2V (yellow-white) |
|
PmRA |
-28.00 |
|
PmDE |
-15.0 |
|
SAO |
79294 |
|
HIP |
35550 |
|
Tycho2 |
1359-02672-1 |
|
HD |
56986 |
|
HR |
2777 |
|
GC |
9755 |
|
BD |
BD+22 1645 |
|
Bayer |
Delta Geminorum |
|
Bayer name |
Del Gem |
|
Flamsteed |
55 Geminorum |
|
Flamsteed name |
55 Gem |
|
FK5 |
279 |
|
Tycho2 |
1359-02672-1 |
|
Pflag |
X |
|
RAmdeg |
|
|
DEmdeg |
|
|
PmRA |
|
|
PmDE |
|
|
E RAmdeg |
|
|
E DEmdeg |
|
|
E pmRA |
|
|
E pmDE |
|
|
EpRAm |
|
|
EpDEm |
|
|
Num |
|
|
Q RAmdeg |
|
|
Q DEmdeg |
|
|
Q pmRA |
|
|
Q pmDE |
|
|
BTmag |
3.921 |
|
E BTmag |
0.014 |
|
VTmag |
3.559 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
35550 |
|
CCDM |
|
|
RAdeg |
110.03078667 |
|
DEdeg |
21.98233972 |
|
EpRA 1990 |
1.76 |
|
EpDE 1990 |
1.60 |
|
E RAdeg |
3.3 |
|
E DEdeg |
3.7 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
79294 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0018 |
|
DE1950 |
|
|
PmDE1950 |
-0.014 |
|
Vmag |
3.5 |
|
SpType |
F0 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
279 |
|
DM |
BD+22 1645 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
56986 |
|
M HD |
0 |
|
GC |
9755 |
|
RA1950rad |
1.90737325 |
|
DE1950rad |
0.3853012 |
|
PmRA2000 |
-0.0019 |
|
PmDE2000 |
-0.011 |
|
Catalog |
H |
|
HIP |
35550 |
|
Proxy |
|
|
RAhms |
07 20 07.39 |
|
DEdms |
+21 58 56.4 |
|
Vmag |
3.5 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
110.031 |
|
DEdeg |
21.9823 |
|
AstroRef |
+ |
|
Plx |
55.45 |
|
CCDM |
07201+2159 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
O |
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
56986 |
|
BD |
BD+22 1645 |
|
CD |
|
|
CP |
|
|
Dm number |
+22 1645 |
|
VIred |
0.44 |
|
SpType |
F0IV... |
|
R SpType |
|
|
Coord arcsec 2000 |
072007.39+215856.4 |
|
HIP |
35550 |
|
Sn |
75 |
|
So |
4 |
|
Nc |
1 |
|
RArad |
1.9203995423 |
|
DErad |
0.3836642074 |
|
Plx |
53.94 |
|
PmRA |
-15.13 |
|
PmDE |
-9.79 |
|
E RArad |
0.57 |
|
E DErad |
0.39 |
|
E Plx |
0.66 |
|
E pmRA |
0.85 |
|
E pmDE |
0.47 |
|
Hpmag |
3.6031 |
|
E Hpmag |
0.0006 |
|
SHp |
0.004 |
|
VA |
0 |
|
BV |
0.374 |
|
E BV |
0.015 |
|
VI |
0.44 |
|
Ccdm |
07201+2159 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
% |
|
Discov num |
|
|
DRAs |
1.36 |
|
DDEs |
-3.6 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
3.5 |
|
Sp |
F0 |
|
PmNote |
* |
|
PmRA |
-25 |
|
PmDE |
-14 |
|
Dm number |
+22 1645 |
|
Cat1 |
BD |
|
Name2 |
+22 862 |
|
Cat2 |
AGK2/3 |
|
HD |
56986 |
|
M HD |
|
|
ADS BDS |
A 5983 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
07142N2210A |
|
HIC |
35550 |
|
07201+2159 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
072007.11+215852.8 |
|
Mag |
8.18 |
|
Spectral class |
K6V (yellow-orange) |
|
PmRA |
-28.00 |
|
PmDE |
-13.0 |
|
Calc delta mag |
4.63 |
|
Calc coord |
yes |
|
Ccdm |
07201+2159 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
STF1066 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1829 |
|
Theta |
|
|
Rho |
|
|
Obs |
99 |
|
Vmag |
8.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 5983 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
07142N2210B |
|
HIC |
35550 |
|