16270-2446 COR 8 Ba,Bb
16h 26m 58.43s -24° 45' 31.8" P.A. 241.00 sep 0.1 mag 9.10,9.80
Coord 2000 |
16270-2446 |
|
Discov num |
COR 8 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
16 26 58.43 -24 45 31.8 |
|
Date first |
2001 |
|
Date last |
2015 |
|
Obs |
5 |
|
Pa first |
59 |
|
Pa last |
240.6 |
|
P.A. Now (θ) |
240.6° |
|
Sep first |
0.1 |
|
Sep last |
0.099 |
|
Sep. Now (ρ) |
0.099" |
|
Mag pri |
9.10 |
|
Mag sec |
9.80 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
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Pri motion ra |
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Sec motion ra |
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Pri motion dec |
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Sec motion dec |
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Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
16270-2446 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
16 26 59 -24 45 37 |
CST 6 Aa,Ab |
1996 |
1 |
38 |
0.1 |
11.56 |
|
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|
|
Show |
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|
16 26 59 -24 45 37 |
HER 17 AB |
2015 |
13 |
349 |
5.1 |
12.90 |
16.90 |
4.00 |
|
|
Show |
|
|
16 26 58 -24 45 32 |
COR 8 Ba,Bb |
2015 |
5 |
241 |
0.1 |
9.10 |
9.80 |
0.70 |
Y |
<=== |
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
Gaia DR2 |
6049069838478958592 |
|
ORBITAL ELEMENTS
Period (P) | 111y | ± 105 |
Periastron (T) | 2009.34y | ± 0.15 |
Semi-major axis (a) | 0.181a | ± 0.083 |
Eccentricity (e) | 0.64 | ± 0.13 |
Inclination (i) | 132.1° | ± 7.4 |
Longitude of periastron (ω) | 110.9° | ± 5.8 |
Node (Ω) | 72° | ± 4.3 |
Notes | | |
Reference | Sfr2018 | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
68.1 |
0.128 |
2001 |
64.5 |
0.119 |
2002 |
60.3 |
0.109 |
2003 |
55.2 |
0.098 |
2004 |
48.8 |
0.087 |
2005 |
40.3 |
0.075 |
2006 |
28.6 |
0.063 |
2007 |
11.8 |
0.052 |
2008 |
348.3 |
0.046 |
2009 |
321.1 |
0.045 |
2010 |
297.4 |
0.052 |
2011 |
280.0 |
0.061 |
2012 |
267.4 |
0.071 |
2013 |
257.9 |
0.081 |
2014 |
250.3 |
0.089 |
2015 |
243.9 |
0.096 |
2016 |
238.3 |
0.102 |
2017 |
233.4 |
0.108 |
2018 |
228.9 |
0.112 |
2019 |
224.7 |
0.117 |
2020 |
220.8 |
0.121 |
2021 |
217.2 |
0.124 |
2022 |
213.7 |
0.127 |
2023 |
210.4 |
0.130 |
2024 |
207.2 |
0.133 |
2025 |
204.2 |
0.136 |
2026 |
201.3 |
0.139 |
2027 |
198.5 |
0.141 |
2028 |
195.8 |
0.144 |
2029 |
193.2 |
0.146 |
2030 |
190.7 |
0.148 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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WDS 16270-2446 COR 8 Ba,Bb : NOTES
discov_num |
notes |
refcode |
HER 17 |
IR sources in rho Oph cloud. AB = HBC 262 = YLW 3AB. |
Her1962 |
|
A component = GY 168 = SR 24N, B = GY 167 = SR 24S. |
|
|
1949.: Noted as double, apparently seen on plate from Ross "Atlas of |
|
|
the Milky Way" |
|
REFERENCES
refcode |
metd |
author |
reference |
Her1962 |
Pa - |
Herbig, G.H. |
1962AdA&A...1...47H |
Her1962 |
|
Advances Astron. Astrophys. 1, 47, 1962 |
|
Her1962 |
|
(Exact dates, telescopes, and techniques not given. Default date = decade of |
|
Her1962 |
|
publication added.) |
|
Sfr2018 |
orb j |
Schaefer, G.H., Prato, L. & Simon, M. |
2018AJ....155..109S |
Sfr2018 |
+A |
AJ 155, 109, 2018 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
COR |
Correia, S. & Richichi, A. |
4 |
COR |
Correia, S., Duchene, G., Reipurth, B., Zinnecker, H., Daemgen, S., Petr-Gotzens, |
4 |
COR |
M.G., Kohler, R., Ratzka, Th., Aspin, C., Konopacky, Q.M., & Ghez, A.M. |
5 |
CST |
Costa, A., Jessop, N.E., Yun, J.L., Santos, C.A., Ward-Thompson, D., & Casali, M. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
16270-2446 |
COR 8 |
Ba,Bb |
2004 |
1 |
46 |
0.1 |
9.10 |
9.80 |
|
K |
162658.53-244535.3 |
16270-2446 |
COR 8 |
Ba,Bb |
2015 |
5 |
241 |
0.1 |
9.10 |
9.80 |
|
NO K |
162658.43-244531.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 16270-2446 COR 8 Ba,Bb : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 16270-2446 COR 8 Ba,Bb : MEASURES
No records found.
WDS 16270-2446 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
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WDS 16270-2446 : ALADIN DSS IMAGE @ 16h 26m 58.43s -24° 45' 31.8"
WDS 16270-2446 COR 8 Ba,Bb : NEIGHBORHOODS
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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 |
|
16270-2446 |
COR 8 |
Ba,Bb |
241 |
0.1 |
|
Show |
|
16270-2446 |
CST 6 |
Aa,Ab |
38 |
0.1 |
1 |
Show |
|
16270-2446 |
HER 17 |
AB |
349 |
5.1 |
1 |
Show |
|
16271-2440 |
ALO 4 |
|
354 |
7.7 |
6 |
Show |
|
16273-2442 |
ALO 7 |
Ca,Cb |
-1 |
0.3 |
7 |
Show |
|
16273-2442 |
CST 8 |
AB |
78 |
0.1 |
7 |
Show |
|
16273-2442 |
ALO 7 |
AB,C |
163 |
8.8 |
7 |
Show |
|
16273-2442 |
ALO 7 |
AB,D |
3 |
4.4 |
7 |
Show |
|
16273-2442 |
YLW 13 |
AB,E |
96 |
26.7 |
7 |
Show |
|
16267-2440 |
RAT 7 |
|
259 |
0.1 |
7 |
Show |
|
16272-2452 |
BOV 55 |
|
302 |
10.2 |
8 |
Show |
|
16268-2438 |
BNY 2 |
|
291 |
3.6 |
8 |
Show |
|
16273-2439 |
YLW 11 |
AB |
102 |
58.0 |
8 |
Show |
|
16273-2439 |
RES 1 |
CD |
353 |
2.3 |
8 |
Show |
|
16273-2439 |
RIE 1 |
BC |
270 |
3.2 |
8 |
Show |
|
16273-2439 |
RES 1 |
BD |
52 |
3.7 |
8 |
Show |
|
16274-2441 |
GRT 1 |
Aa,Ab |
334 |
0.6 |
8 |
Show |
|
16274-2441 |
ALO 10 |
AB |
323 |
7.2 |
8 |
Show |
|
16275-2440 |
YLW 16 |
AB |
102 |
24.0 |
9 |
Show |
|
16275-2440 |
TER 2 |
Aa,Ab |
267 |
0.3 |
9 |
Show |
|
16270-2436 |
YLW 4 |
AB |
308 |
29.6 |
10 |
Show |
|
16270-2436 |
YLW 4 |
AC |
2 |
58.1 |
10 |
Show |
|
16277-2443 |
DCH 81 |
|
10 |
1.6 |
10 |
Show |
|
16270-2436 |
YLW 4 |
BC |
32 |
47.2 |
10 |
Show |
|
16265-2438 |
CST 4 |
|
255 |
0.4 |
10 |
Show |
|
16276-2438 |
DCH 79 |
|
84 |
6.3 |
11 |
Show |
|
16276-2439 |
DCH 80 |
|
102 |
3.3 |
12 |
Show |
|
16277-2439 |
DCH 82 |
AB |
100 |
6.4 |
13 |
Show |
|
16277-2439 |
DCH 82 |
AC |
80 |
8.1 |
13 |
Show |
|
16277-2439 |
DCH 82 |
AD |
254 |
9.8 |
13 |
Show |
|
16279-2446 |
DCH 85 |
AB |
256 |
6.2 |
13 |
Show |
|
16279-2446 |
DCH 85 |
AC |
261 |
8.7 |
13 |
Show |
|
16279-2441 |
AGE 8 |
|
251 |
0.4 |
14 |
Show |
|
16280-2440 |
RAT 15 |
|
277 |
0.2 |
15 |
Show |
|
16275-2433 |
DCH 78 |
|
196 |
7.6 |
16 |
Show |
|
16275-2431 |
CST 10 |
Aa,Ab |
353 |
0.5 |
16 |
Show |
|
16275-2431 |
DCH 77 |
AB |
314 |
8.8 |
16 |
Show |
|
16280-2436 |
DCH 86 |
AB |
116 |
6.8 |
17 |
Show |
|
16280-2436 |
DCH 86 |
AC |
113 |
7.2 |
17 |
Show |
|
16274-2430 |
ALO 8 |
AB |
84 |
6.0 |
17 |
Show |
|
16269-2429 |
DCH 74 |
|
205 |
9.3 |
17 |
Show |
|
16274-2430 |
ALO 9 |
CD |
313 |
8.5 |
18 |
Show |
|
16268-2428 |
BNY 1 |
|
341 |
4.4 |
18 |
Show |
|
16273-2429 |
RAT 12 |
Ca,Cb |
284 |
0.2 |
18 |
Show |
|
16271-2429 |
CST 7 |
|
321 |
0.8 |
18 |
Show |
|
16273-2429 |
YLW 12 |
AB |
66 |
8.6 |
18 |
Show |
|
16273-2429 |
YLW 12 |
AC |
128 |
15.8 |
18 |
Show |
|
16273-2429 |
YLW 12 |
AD |
61 |
25.5 |
18 |
Show |
|
16276-2431 |
HCH 5 |
|
122 |
15.3 |
18 |
Show |
|
16282-2451 |
RAT 17 |
|
101 |
3.6 |
18 |
Show |
|
16278-2432 |
DCH 83 |
AB |
161 |
2.2 |
18 |
|
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WDS 16270-2446 : COMPONENTS
|
A |
Ab |
B |
Ab |
pa=35.4°
sep=0.10"
| |
B |
pa=344.5°
sep=5.09"
| pa=343.6°
sep=5.03"
| |
Bb |
pa=343.5°
sep=5.06"
| pa=342.6°
sep=5.00"
| pa=238.2°
sep=0.09"
|
16270-2446 A
Coord arcsec 2000 |
162658.53-244536.7 |
|
Mag |
12.9 |
|
Spectral class |
em |
|
PmRA |
4.00 |
|
PmDE |
-61.0 |
|
16270-2446 Ab
Coord arcsec 2000 |
162658.53-244536.6 |
|
Calc delta mag |
11.56 |
|
Calc coord |
yes |
|
16270-2446 B
Coord arcsec 2000 |
162658.43-244531.8 |
|
Coord calc |
162658.47-244531.7 |
|
Mag |
9.1 |
|
Mag composta |
16.9 |
|
Calc delta mag |
2.46 |
|
16270-2446 Bb
Coord arcsec 2000 |
162658.42-244531.8 |
|
Mag |
9.8 |
|
Calc delta mag |
1.76 |
|
Calc coord |
yes |
|