17220-2500 CHR 182 (The Oph)
17h 22m 00.58s -24° 59' 58.2" P.A. 54.00 sep 0.2 mag 3.40,6.20 Sp B2IV dist. 133.69 pc (436.1 l.y.)
Coord 2000 |
17220-2500 |
|
Discov num |
CHR 182 |
|
Comp |
|
|
Coord arcsec 2000 |
17 22 00.58 -24 59 58.2 |
|
Date first |
1992 |
|
Date last |
2021 |
|
Obs |
11 |
|
Pa first |
234 |
|
Pa last |
54.1 |
|
P.A. Now (θ) |
54.9° |
|
Sep first |
0.2 |
|
Sep last |
0.156 |
|
Sep. Now (ρ) |
0.119" |
|
Mag pri |
3.40 |
|
Mag sec |
6.20 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
B2IV (blue-white) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
|
|
Pri motion dec |
-020 |
|
Sec motion dec |
|
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
The Oph |
|
Constellation |
Ophiuchus |
|
SAO |
185320 |
|
HIP |
84970 |
|
Tycho2 |
6829-00577-1 |
|
Gaia DR2 |
4110730486344995456 |
|
HD |
157056 |
|
HR |
6453 |
|
GC |
23451 |
|
CD |
CD-2413292 |
|
CP |
CP-24 5876 |
|
Bayer |
Theta Ophiuchi |
|
Bayer name |
The Oph |
|
Flamsteed |
42 Ophiuchi |
|
Flamsteed name |
42 Oph |
|
FK5 |
644 |
|
Distance |
133.69 |
|
Distance ly |
436.1 |
|
Bayer greek |
θ Oph |
|
ORBITAL ELEMENTS
Period (P) | 28.21y | |
Periastron (T) | 1995.29y | |
Semi-major axis (a) | 0.229a | |
Eccentricity (e) | 0.4 | |
Inclination (i) | 89.2° | |
Longitude of periastron (ω) | 47° | |
Node (Ω) | 54.4° | |
Notes | | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
234.0 |
0.195 |
2001 |
234.2 |
0.231 |
2002 |
234.3 |
0.256 |
2003 |
234.5 |
0.272 |
2004 |
234.6 |
0.280 |
2005 |
234.7 |
0.281 |
2006 |
234.8 |
0.276 |
2007 |
234.9 |
0.265 |
2008 |
235.0 |
0.249 |
2009 |
235.2 |
0.228 |
2010 |
235.4 |
0.203 |
2011 |
235.6 |
0.175 |
2012 |
236.0 |
0.143 |
2013 |
236.5 |
0.108 |
2014 |
237.6 |
0.072 |
2015 |
241.2 |
0.033 |
2016 |
22.6 |
0.007 |
2017 |
50.0 |
0.045 |
2018 |
52.3 |
0.082 |
2019 |
53.2 |
0.116 |
2020 |
53.7 |
0.142 |
2021 |
54.1 |
0.156 |
2022 |
54.4 |
0.150 |
2023 |
54.9 |
0.119 |
2024 |
56.0 |
0.063 |
2025 |
218.5 |
0.008 |
2026 |
232.8 |
0.077 |
2027 |
233.6 |
0.137 |
2028 |
234.0 |
0.187 |
2029 |
234.2 |
0.224 |
2030 |
234.3 |
0.251 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 17220-2500 CHR 182 (The Oph) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2021f |
orb - |
Tokovinin, A. |
2021IAUDS.204....1T |
Tok2021f |
|
Inf. Circ. 204, 1, 2021 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
17220-2500 |
CHR 182 |
|
2000 |
2 |
252 |
0.3 |
3.27 |
|
B2IV |
|
172200.58-245958.2 |
17220-2500 |
CHR 182 |
|
2014 |
3 |
58 |
0.1 |
3.40 |
6.20 |
B2IV |
|
172200.58-245958.2 |
17220-2500 |
CHR 182 |
|
2017 |
6 |
54 |
0.1 |
3.40 |
6.20 |
B2IV |
|
172200.58-245958.2 |
17220-2500 |
CHR 182 |
|
2018 |
7 |
49 |
0.1 |
3.40 |
6.20 |
B2IV |
|
172200.58-245958.2 |
17220-2500 |
CHR 182 |
|
2019 |
8 |
53 |
0.1 |
3.40 |
6.20 |
B2IV |
|
172200.58-245958.2 |
17220-2500 |
CHR 182 |
|
2020 |
10 |
54 |
0.1 |
3.40 |
6.20 |
B2IV |
|
172200.58-245958.2 |
17220-2500 |
CHR 182 |
|
2021 |
11 |
54 |
0.2 |
3.40 |
6.20 |
B2IV |
|
172200.58-245958.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 17220-2500 CHR 182 (The Oph) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 17220-2500 CHR 182 (The Oph) : MEASURES
No records found.
WDS 17220-2500 (The Oph) : 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 17220-2500 (The Oph) : ALADIN DSS IMAGE @ 17h 22m 00.58s -24° 59' 58.2"
WDS 17220-2500 CHR 182 (The Oph) : 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 |
|
17220-2500 |
CHR 182 |
|
54 |
0.2 |
|
Show |
|
17231-2353 |
DON 835 |
|
196 |
1.2 |
69 |
Show |
|
17180-2417 |
H 3 25 |
|
355 |
10.8 |
70 |
Show |
|
17228-2609 |
RST1957 |
|
102 |
1.0 |
70 |
Show |
|
17212-2350 |
LSC 73 |
|
182 |
0.4 |
71 |
Show |
|
17189-2400 |
HLD 132 |
AB |
30 |
2.0 |
74 |
Show |
|
17189-2400 |
H 6 54 |
AC |
142 |
79.0 |
74 |
Show |
|
17269-2423 |
I 1322 |
|
132 |
0.2 |
76 |
Show |
|
17181-2404 |
LLO 13 |
|
309 |
8.0 |
77 |
Show |
|
17264-2411 |
OCC 64 |
AB |
-1 |
0.1 |
78 |
Show |
|
17264-2411 |
GAT 22 |
AB,C |
189 |
18.1 |
78 |
Show |
|
17276-2440 |
HDS2466 |
|
197 |
0.4 |
79 |
Show |
|
17279-2508 |
RST3098 |
|
166 |
0.3 |
81 |
Show |
|
17283-2513 |
RST3100 |
|
139 |
0.4 |
86 |
Show |
|
17261-2353 |
ARA2202 |
|
26 |
16.1 |
88 |
Show |
|
17160-2424 |
RST3081 |
|
284 |
0.6 |
90 |
Show |
|
17286-2531 |
BU 129 |
|
350 |
0.2 |
96 |
Show |
|
17161-2556 |
RST3082 |
|
278 |
2.5 |
98 |
Show |
|
17146-2453 |
FIN 10 |
|
201 |
1.1 |
100 |
Show |
|
17147-2515 |
BRT3044 |
|
20 |
3.5 |
101 |
Show |
|
17268-2620 |
BU 128 |
|
326 |
4.6 |
104 |
Show |
|
17290-2420 |
RST3105 |
|
247 |
0.2 |
104 |
Show |
|
17177-2638 |
H 1 35 |
|
337 |
5.8 |
115 |
Show |
|
17155-2346 |
ARA2200 |
BC |
195 |
6.6 |
116 |
Show |
|
17299-2551 |
RST3106 |
|
262 |
3.1 |
120 |
Show |
|
17163-2330 |
BRT1505 |
|
27 |
5.3 |
120 |
Show |
|
17131-2532 |
RST3076 |
|
198 |
0.5 |
126 |
Show |
|
17302-2402 |
RST5433 |
|
172 |
0.2 |
126 |
Show |
|
17216-2252 |
TDT 320 |
|
71 |
0.5 |
128 |
Show |
|
17126-2516 |
RST3075 |
|
328 |
0.7 |
130 |
Show |
|
17257-2659 |
I 1320 |
|
192 |
0.5 |
130 |
Show |
Guniibuu |
17153-2636 |
SHJ 243 |
AB |
138 |
5.1 |
132 |
Show |
Guniibuu |
17153-2636 |
SHJ 243 |
AC |
74 |
732.5 |
132 |
Show |
Guniibuu |
17153-2636 |
SHJ 243 |
AE |
313 |
38.2 |
132 |
Show |
Guniibuu |
17153-2636 |
SHJ 243 |
AD |
342 |
295.5 |
132 |
Show |
|
17153-2636 |
SHJ 243 |
BD |
337 |
272.3 |
132 |
Show |
|
17244-2248 |
B 339 |
AB |
207 |
3.6 |
136 |
Show |
|
17244-2248 |
HJ 4948 |
AC |
106 |
13.3 |
136 |
Show |
|
17209-2721 |
BU 127 |
|
91 |
5.4 |
142 |
Show |
|
17185-2245 |
KIR 25 |
|
329 |
54.3 |
143 |
Show |
|
17115-2519 |
HU 1522 |
|
89 |
1.0 |
145 |
Show |
|
17179-2247 |
ARA1818 |
|
61 |
8.5 |
145 |
Show |
|
17136-2330 |
HDS2434 |
|
10 |
0.2 |
146 |
Show |
|
17114-2531 |
DBR 288 |
|
341 |
2.0 |
148 |
Show |
|
17287-2304 |
RST3103 |
|
15 |
1.7 |
148 |
Show |
|
17200-2234 |
RST3087 |
|
29 |
1.0 |
149 |
Show |
|
17112-2536 |
DBR 287 |
|
117 |
1.7 |
151 |
Show |
|
17108-2457 |
HJ 589 |
|
300 |
10.0 |
152 |
Show |
|
17316-2616 |
CHR 229 |
|
191 |
0.4 |
153 |
Show |
|
17207-2734 |
RST1953 |
|
313 |
1.9 |
155 |
Show |
|
17165-2245 |
ARA1817 |
|
167 |
11.6 |
156 |
|
|
WDS 17220-2500 : COMPONENTS
17220-2500 A
Componente originario normalizzato |
AB |
|
Name |
The Oph |
|
Coord arcsec 2000 |
172200.58-245958.2 |
|
Mag |
3.4 |
|
Spectral class |
B2IV (blue-white) |
|
PmRA |
-4.00 |
|
PmDE |
-20.0 |
|
SAO |
185320 |
|
HIP |
84970 |
|
Tycho2 |
6829-00577-1 |
|
HD |
157056 |
|
HR |
6453 |
|
GC |
23451 |
|
CD |
CD-2413292 |
|
CP |
CP-24 5876 |
|
Bayer |
Theta Ophiuchi |
|
Bayer name |
The Oph |
|
Flamsteed |
42 Ophiuchi |
|
Flamsteed name |
42 Oph |
|
FK5 |
644 |
|
Tycho2 |
6829-00577-1 |
|
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 |
3.009 |
|
E BTmag |
0.014 |
|
VTmag |
3.212 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
84970 |
|
CCDM |
|
|
RAdeg |
260.50243278 |
|
DEdeg |
-24.99948833 |
|
EpRA 1990 |
1.79 |
|
EpDE 1990 |
1.23 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.4 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
185320 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0002 |
|
DE1950 |
|
|
PmDE1950 |
-0.021 |
|
Vmag |
3.4 |
|
SpType |
B3 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
644 |
|
DM |
CD-2413292 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
157056 |
|
M HD |
0 |
|
GC |
23451 |
|
RA1950rad |
4.53321324 |
|
DE1950rad |
-0.43548486 |
|
PmRA2000 |
-0.0003 |
|
PmDE2000 |
-0.019 |
|
Catalog |
H |
|
HIP |
84970 |
|
Proxy |
|
|
RAhms |
17 22 00.58 |
|
DEdms |
-24 59 58.2 |
|
Vmag |
3.27 |
|
VarFlag |
1 |
|
R Vmag |
H |
|
RAdeg |
260.502 |
|
DEdeg |
-24.9995 |
|
AstroRef |
|
|
Plx |
5.79 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
S |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
157056 |
|
BD |
|
|
CD |
CD-2413292 |
|
CP |
CP-24 5876 |
|
Dm number |
-2413292 |
|
VIred |
-0.21 |
|
SpType |
B2IV |
|
R SpType |
|
|
Coord arcsec 2000 |
172200.58-245958.2 |
|
HIP |
84970 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
4.5466251777 |
|
DErad |
-0.4363233803 |
|
Plx |
7.48 |
|
PmRA |
-7.37 |
|
PmDE |
-23.94 |
|
E RArad |
0.15 |
|
E DErad |
0.09 |
|
E Plx |
0.17 |
|
E pmRA |
0.18 |
|
E pmDE |
0.1 |
|
Hpmag |
3.1931 |
|
E Hpmag |
0.0019 |
|
SHp |
0.012 |
|
VA |
1 |
|
BV |
-0.186 |
|
E BV |
0.002 |
|
VI |
-0.21 |
|
Ccdm |
17220-2500 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
0.59 |
|
DDEs |
1.8 |
|
R dRAs |
81 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
3.3 |
|
Sp |
B2 |
|
PmNote |
@ |
|
PmRA |
-4 |
|
PmDE |
-20 |
|
Dm number |
-2413292 |
|
Cat1 |
CD |
|
Name2 |
185320 |
|
Cat2 |
SAO |
|
HD |
157056 |
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
W |
|
IDS |
17220-2500A |
|
HIC |
84970 |
|
17220-2500 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
172200.59-245958.1 |
|
Mag |
6.2 |
|
Calc delta mag |
2.8 |
|
Calc coord |
yes |
|
Ccdm |
17220-2500 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
CHR 182 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1992 |
|
Theta |
234 |
|
Rho |
0.2 |
|
Obs |
1 |
|
Vmag |
|
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
|
|
M ADS BDS |
|
|
N IDS |
W |
|
IDS |
17220-2500B |
|
HIC |
84970 |
|