16256-2327 H 2 19 AB (Rho Oph)
16h 25m 35.03s -23° 26' 47.0" P.A. 335.00 sep 3.0 mag 5.07,5.74 Sp B2IV+B2V dist. 110.74 pc (361.23 l.y.)
Coord 2000 |
16256-2327 |
|
Discov num |
H 2 19 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 25 35.03 -23 26 47.0 |
|
Date first |
1832 |
|
Date last |
2021 |
|
Obs |
111 |
|
Pa first |
3 |
|
Pa last |
334.8 |
|
P.A. Now (θ) |
334.8° |
|
Sep first |
3.8 |
|
Sep last |
3.015 |
|
Sep. Now (ρ) |
3.015" |
|
Mag pri |
5.07 |
|
Mag sec |
5.74 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
B2IV+B2V (blue-white/blue-white) |
|
Pri motion ra |
-014 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
-027 |
|
Sec motion dec |
-027 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
16256-2327 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Rho Oph |
184382 |
16 25 35 -23 26 47 |
H 2 19 AB |
2021 |
111 |
335 |
3.0 |
5.07 |
5.74 |
0.67 |
Y |
<=== |
Show |
|
184382 |
16 25 35 -23 26 47 |
H 2 19 AC |
2021 |
16 |
0 |
151.1 |
5.07 |
7.29 |
2.22 |
|
|
Show |
|
184382 |
16 25 35 -23 26 47 |
H 2 19 AD |
2021 |
17 |
253 |
156.1 |
5.07 |
6.81 |
1.74 |
|
|
Show |
|
|
16 25 35 -23 24 19 |
KOU 63 CF |
2000 |
1 |
206 |
4.8 |
5.80 |
11.70 |
5.90 |
|
|
Show |
|
184377 |
16 25 24 -23 27 37 |
BU 1115 DE |
2018 |
21 |
196 |
0.3 |
6.81 |
8.42 |
1.61 |
Y |
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
Rho Oph |
|
Constellation |
Ophiuchus |
|
SAO |
184382 |
|
HIP |
80473 |
|
Tycho2 |
6794-00549-1 |
|
Gaia DR2 |
6050943410590451328 |
|
HD |
147933 |
|
HR |
6112 |
|
GC |
22079 |
|
ADS |
10049 |
|
CD |
CD-2312861 |
|
Bayer |
Rho Ophiuchi |
|
Bayer name |
Rho Oph |
|
Flamsteed |
5 Ophiuchi |
|
Flamsteed name |
5 Oph |
|
Distance |
110.74 |
|
Distance ly |
361.23 |
|
Bayer greek |
ρ Oph |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 16256-2327 |
coord_arcsec_2000 | 162535.03-232647.0 |
Period (P) | 4193.4346y | ± 2586.2103 |
Periastron (T) | 2332.5532y | ± 717.3906 |
Semi-major axis (a) | 12.63509a | ± 6.58339 |
Eccentricity (e) | 0.89588 | ± 0.11915 |
Inclination (i) | 105.902° | ± 9.28 |
Longitude of periastron (ω) | 244.218° | ± 40.038 |
Node (Ω) | 88.335° | ± 52.556 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2012 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
337.4 |
3.053 |
2001 |
337.2 |
3.050 |
2002 |
337.0 |
3.048 |
2003 |
336.8 |
3.045 |
2004 |
336.6 |
3.043 |
2005 |
336.5 |
3.040 |
2006 |
336.3 |
3.038 |
2007 |
336.1 |
3.036 |
2008 |
335.9 |
3.033 |
2009 |
335.7 |
3.031 |
2010 |
335.5 |
3.028 |
2011 |
335.4 |
3.026 |
2012 |
335.2 |
3.024 |
2013 |
335.0 |
3.022 |
2014 |
334.8 |
3.019 |
2015 |
334.6 |
3.017 |
2016 |
334.5 |
3.015 |
2017 |
334.3 |
3.013 |
2018 |
334.1 |
3.010 |
2019 |
333.9 |
3.008 |
2020 |
333.7 |
3.006 |
2021 |
333.5 |
3.004 |
2022 |
333.3 |
3.002 |
2023 |
333.2 |
3.000 |
2024 |
333.0 |
2.997 |
2025 |
332.8 |
2.995 |
2026 |
332.6 |
2.993 |
2027 |
332.4 |
2.991 |
2028 |
332.2 |
2.989 |
2029 |
332.0 |
2.987 |
2030 |
331.9 |
2.985 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 16256-2327 H 2 19 AB (Rho Oph) : NOTES
discov_num |
notes |
refcode |
H 2 19 |
H II 19. rho Oph = 5 Oph. Spectrum of D: B3/4V. Based on the long term |
|
|
double star measures, the Tycho-2 proper motion is not correct. The |
VlF2007 |
|
proper motion from the new Hipparcos reduction is given here. |
|
REFERENCES
refcode |
metd |
author |
reference |
VlF2007 |
- |
van Leeuwen, F. |
2007A&A...474..653V |
VlF2007 |
|
A&A 474, 653, 2007 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
179 |
KOU |
Kouwenhoven, M.B.N., Brown, A.G., Zinnecker, H., Kaper, L., & Portegies Zwart, S. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
16256-2327 |
H 2 19 |
AB |
2007 |
103 |
337 |
3.3 |
5.07 |
5.74 |
B2IV B2V |
NCD |
162535.12-232649.6 |
16256-2327 |
H 2 19 |
AB |
2009 |
104 |
334 |
3.3 |
5.07 |
5.74 |
B2IV B2V |
NCD |
162535.12-232649.6 |
16256-2327 |
H 2 19 |
AB |
2012 |
104 |
336 |
3.0 |
5.07 |
5.74 |
B2IV+B2V |
NCD |
162535.12-232649.6 |
16256-2327 |
H 2 19 |
AB |
2016 |
106 |
338 |
3.2 |
5.07 |
5.74 |
B2IV+B2V |
NC |
162535.03-232647.0 |
16256-2327 |
H 2 19 |
AB |
2017 |
108 |
334 |
3.0 |
5.07 |
5.74 |
B2IV+B2V |
NC |
162535.03-232647.0 |
16256-2327 |
H 2 19 |
AB |
2021 |
111 |
335 |
3.0 |
5.07 |
5.74 |
B2IV+B2V |
NO |
162535.03-232647.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 16256-2327 H 2 19 AB (Rho Oph) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 16256-2327 H 2 19 AB (Rho Oph) : MEASURES
No records found.
WDS 16256-2327 (Rho 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 16256-2327 (Rho Oph) : ALADIN DSS IMAGE @ 16h 25m 35.03s -23° 26' 47.0"
WDS 16256-2327 H 2 19 AB (Rho 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 |
|
16256-2327 |
H 2 19 |
AB |
335 |
3.0 |
|
Show |
|
16256-2327 |
H 2 19 |
AC |
|
151.1 |
|
Show |
|
16256-2327 |
H 2 19 |
AD |
253 |
156.1 |
|
Show |
|
16256-2327 |
KOU 63 |
CF |
206 |
4.8 |
3 |
Show |
|
16256-2327 |
BU 1115 |
DE |
196 |
0.3 |
3 |
Show |
|
16252-2319 |
GHE 21 |
|
32 |
0.8 |
10 |
Show |
|
16263-2343 |
RAT 5 |
|
265 |
2.5 |
20 |
Show |
|
16266-2346 |
REP 39 |
|
132 |
2.2 |
24 |
Show |
|
16254-2356 |
CST 1 |
|
347 |
0.4 |
29 |
Show |
|
16259-2356 |
AGE 6 |
|
353 |
0.2 |
29 |
Show |
|
16260-2400 |
SHN 213 |
|
-1 |
0.3 |
35 |
Show |
|
16228-2326 |
PRA 6 |
Aa,Ab |
281 |
0.1 |
39 |
Show |
|
16228-2326 |
PRA 6 |
AB |
80 |
1.1 |
39 |
Show |
|
16228-2326 |
PRA 6 |
AC |
180 |
13.0 |
39 |
Show |
|
16276-2358 |
AGE 7 |
AB |
331 |
9.9 |
42 |
Show |
|
16276-2358 |
BOV 59 |
AC |
169 |
47.1 |
42 |
Show |
|
16263-2407 |
CHT 2 |
|
299 |
0.1 |
42 |
Show |
|
16229-2307 |
BU 624 |
|
325 |
1.4 |
43 |
Show |
|
16231-2301 |
IRE 15 |
AB |
74 |
5.2 |
43 |
Show |
|
16231-2301 |
IRE 15 |
AC |
81 |
16.1 |
43 |
Show |
|
16263-2409 |
REP 37 |
|
358 |
5.1 |
44 |
Show |
|
16282-2352 |
RAT 16 |
|
267 |
0.1 |
44 |
Show |
|
16277-2359 |
FTV 1 |
|
319 |
1.5 |
44 |
Show |
|
16236-2402 |
CLO 9 |
|
218 |
1.7 |
45 |
Show |
|
16268-2412 |
RAT 9 |
Aa,Ab |
24 |
0.1 |
49 |
Show |
|
16268-2412 |
AGE 5 |
AB |
116 |
0.5 |
49 |
Show |
|
16249-2240 |
KSA 129 |
Aa,Ab |
30 |
0.0 |
49 |
Show |
|
16249-2240 |
KSA 129 |
AB |
339 |
6.0 |
49 |
Show |
|
16256-2416 |
CST 2 |
|
78 |
0.4 |
49 |
Show |
|
16266-2416 |
DCH 67 |
AB |
57 |
6.1 |
52 |
Show |
|
16266-2416 |
DCH 67 |
AC |
104 |
6.3 |
52 |
Show |
|
16266-2416 |
DCH 96 |
AD |
152 |
9.0 |
52 |
Show |
|
16267-2417 |
RAT 8 |
Aa,Ab |
180 |
0.1 |
53 |
Show |
|
16267-2417 |
DCH 71 |
AB |
134 |
4.9 |
53 |
Show |
|
16218-2333 |
K2 31 |
AC |
128 |
8.4 |
53 |
Show |
|
16267-2418 |
DCH 69 |
|
242 |
1.5 |
54 |
Show |
|
16264-2421 |
BOV 60 |
A,BC |
114 |
94.0 |
55 |
Show |
|
16264-2421 |
ZNN 1 |
BC |
150 |
2.0 |
56 |
Show |
|
16264-2421 |
KRS 6 |
Ca,Cb |
44 |
0.0 |
56 |
Show |
|
16256-2423 |
RAT 2 |
|
170 |
1.8 |
56 |
Show |
|
16268-2420 |
CST 5 |
|
54 |
0.2 |
56 |
Show |
|
16267-2421 |
REP 40 |
|
69 |
1.4 |
56 |
Show |
|
16215-2333 |
PRA 5 |
AB |
190 |
9.8 |
57 |
Show |
|
16215-2333 |
CHT 1 |
Aa,Ab |
51 |
0.1 |
57 |
Show |
|
16269-2421 |
DCH 73 |
BD |
187 |
8.0 |
57 |
Show |
|
16272-2419 |
ELA 2 |
|
176 |
6.3 |
57 |
Show |
|
16269-2421 |
DCH 72 |
Aa,Ab |
207 |
1.0 |
57 |
Show |
|
16269-2421 |
YLW 1 |
AB |
69 |
63.3 |
57 |
Show |
|
16269-2421 |
YLW 1 |
AC |
111 |
108.4 |
57 |
Show |
|
16264-2423 |
DCH 64 |
|
106 |
9.4 |
58 |
Show |
|
16265-2423 |
CST 3 |
AB |
66 |
1.2 |
58 |
|
|
WDS 16256-2327 : COMPONENTS
|
A |
B |
C |
D |
E |
B |
pa=336.6°
sep=2.97"
| |
C |
pa=0.3°
sep=148.30"
| pa=0.7°
sep=145.58"
| |
D |
pa=251.4°
sep=155.89"
| pa=250.4°
sep=155.67"
| pa=216.9°
sep=247.42"
| |
E |
pa=251.4°
sep=156.03"
| pa=250.3°
sep=155.81"
| pa=216.9°
sep=247.65"
| pa=194.4°
sep=0.25"
| |
F |
pa=359.5°
sep=143.97"
| pa=360.0°
sep=141.24"
| pa=204.3°
sep=4.76"
| pa=37.1°
sep=242.78"
| pa=37.1°
sep=243.01"
|
16256-2327 A
Name |
Rho Oph |
|
Coord arcsec 2000 |
162535.03-232647.0 |
|
Mag |
5.07 |
|
Spectral class |
B2IV (blue-white) |
|
PmRA |
-14.00 |
|
PmDE |
-27.0 |
|
SAO |
184382 |
|
HIP |
80473 |
|
Tycho2 |
6794-00549-1 |
|
HD |
147933 |
|
HR |
6112 |
|
GC |
22079 |
|
CD |
CD-2312861 |
|
Bayer |
Rho Ophiuchi |
|
Bayer name |
Rho |
|
Flamsteed |
5 Ophiuchi |
|
Flamsteed name |
5 Oph |
|
Tycho2 |
6794-00549-1 |
|
Pflag |
|
|
RAmdeg |
246.39642649 |
|
DEmdeg |
-23.44719629 |
|
PmRA |
35.1 |
|
PmDE |
-31.9 |
|
E RAmdeg |
3 |
|
E DEmdeg |
4 |
|
E pmRA |
4.1 |
|
E pmDE |
4.0 |
|
EpRAm |
1991.70 |
|
EpDEm |
1991.35 |
|
Num |
2 |
|
Q RAmdeg |
|
|
Q DEmdeg |
|
|
Q pmRA |
|
|
Q pmDE |
|
|
BTmag |
5.258 |
|
E BTmag |
0.014 |
|
VTmag |
5.067 |
|
E VTmag |
0.009 |
|
Prox |
31 |
|
TYC |
T |
|
HIP |
80473 |
|
CCDM |
A |
|
RAdeg |
246.39633833 |
|
DEdeg |
-23.44711972 |
|
EpRA 1990 |
1.71 |
|
EpDE 1990 |
1.36 |
|
E RAdeg |
3.4 |
|
E DEdeg |
3.6 |
|
Posflg |
D |
|
Corr |
0.4 |
|
SAO |
184382 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0002 |
|
DE1950 |
|
|
PmDE1950 |
-0.021 |
|
Vmag |
5.2 |
|
SpType |
B5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
22079 |
|
DM |
CD-2312861 |
|
DMcomp |
A |
|
BDsup |
|
|
HD |
147933 |
|
M HD |
0 |
|
GC |
22079 |
|
RA1950rad |
4.28732589 |
|
DE1950rad |
-0.40725031 |
|
PmRA2000 |
0.0002 |
|
PmDE2000 |
-0.018 |
|
Catalog |
H |
|
HIP |
80473 |
|
Proxy |
H |
|
RAhms |
16 25 35.12 |
|
DEdms |
-23 26 49.6 |
|
Vmag |
4.57 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
246.396 |
|
DEdeg |
-23.4471 |
|
AstroRef |
A |
|
Plx |
8.27 |
|
CCDM |
16255-2327 |
|
N CCDM |
I |
|
Nsys |
3 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
339 |
|
Rho |
3.074 |
|
HD |
147933 |
|
BD |
|
|
CD |
CD-2312861 |
|
CP |
|
|
Dm number |
-2312861 |
|
VIred |
0.25 |
|
SpType |
B2V |
|
R SpType |
|
|
Coord arcsec 2000 |
162535.12-232649.6 |
|
HIP |
80473 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.3004273671 |
|
DErad |
-0.409229409 |
|
Plx |
9.03 |
|
PmRA |
-5.53 |
|
PmDE |
-21.74 |
|
E RArad |
0.83 |
|
E DErad |
0.61 |
|
E Plx |
0.9 |
|
E pmRA |
0.89 |
|
E pmDE |
0.93 |
|
Hpmag |
4.6152 |
|
E Hpmag |
0.0006 |
|
SHp |
0.005 |
|
VA |
0 |
|
BV |
0.227 |
|
E BV |
0.022 |
|
VI |
0.25 |
|
16256-2327 B
Coord arcsec 2000 |
162534.94-232644.3 |
|
Mag |
5.74 |
|
Spectral class |
B2V (blue-white) |
|
PmRA |
-14.00 |
|
PmDE |
-27.0 |
|
Calc delta mag |
0.67 |
|
Calc coord |
yes |
|
16256-2327 C
Coord arcsec 2000 |
162535.08-232418.7 |
|
Coord calc |
162535.08-232418.7 |
|
Mag |
5.8 |
|
Spectral class |
B5V (blue-white) |
|
PmRA |
-9.00 |
|
PmDE |
-27.0 |
|
Calc delta mag |
0.73 |
|
16256-2327 D
Coord arcsec 2000 |
162524.29-232736.6 |
|
Coord calc |
162524.29-232736.6 |
|
Mag |
6.81 |
|
Spectral class |
B5V (blue-white) |
|
PmRA |
1.00 |
|
PmDE |
-19.0 |
|
SAO |
184377 |
|
HIP |
80461 |
|
Tycho2 |
6794-00550-1 |
|
HD |
147888 |
|
GC |
22070 |
|
CD |
CD-2312860 |
|
CP |
CP-23 6368 |
|
Calc delta mag |
1.74 |
|
Tycho2 |
6794-00550-1 |
|
Pflag |
|
|
RAmdeg |
246.35116911 |
|
DEmdeg |
-23.46021603 |
|
PmRA |
-6.9 |
|
PmDE |
-23.4 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.1 |
|
E pmDE |
1.2 |
|
EpRAm |
1991.38 |
|
EpDEm |
1991.05 |
|
Num |
15 |
|
Q RAmdeg |
1.8 |
|
Q DEmdeg |
1.5 |
|
Q pmRA |
1.9 |
|
Q pmDE |
1.4 |
|
BTmag |
7.084 |
|
E BTmag |
0.015 |
|
VTmag |
6.807 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
80461 |
|
CCDM |
DE |
|
RAdeg |
246.35118639 |
|
DEdeg |
-23.46015972 |
|
EpRA 1990 |
1.73 |
|
EpDE 1990 |
1.36 |
|
E RAdeg |
3.9 |
|
E DEdeg |
4.4 |
|
Posflg |
P |
|
Corr |
0.5 |
|
SAO |
184377 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0007 |
|
DE1950 |
|
|
PmDE1950 |
-0.04 |
|
Vmag |
6.6 |
|
SpType |
B3 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
22070 |
|
DM |
CD-2312860 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
147888 |
|
M HD |
0 |
|
GC |
22070 |
|
RA1950rad |
4.2865342 |
|
DE1950rad |
-0.40747823 |
|
PmRA2000 |
-0.0007 |
|
PmDE2000 |
-0.037 |
|
Catalog |
H |
|
HIP |
80461 |
|
Proxy |
H |
|
RAhms |
16 25 24.29 |
|
DEdms |
-23 27 36.6 |
|
Vmag |
6.75 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
246.351 |
|
DEdeg |
-23.4602 |
|
AstroRef |
D |
|
Plx |
7.33 |
|
CCDM |
16255-2327 |
|
N CCDM |
I |
|
Nsys |
3 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
DE |
|
Theta |
318 |
|
Rho |
0.351 |
|
HD |
147888 |
|
BD |
|
|
CD |
CD-2312860 |
|
CP |
CP-23 6368 |
|
Dm number |
-2312860 |
|
VIred |
0.28 |
|
SpType |
B3/B4V |
|
R SpType |
|
|
Coord arcsec 2000 |
162524.29-232736.6 |
|
HIP |
80461 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.2996395181 |
|
DErad |
-0.4094572056 |
|
Plx |
8.01 |
|
PmRA |
-7.56 |
|
PmDE |
-20.89 |
|
E RArad |
0.76 |
|
E DErad |
0.6 |
|
E Plx |
0.8 |
|
E pmRA |
0.88 |
|
E pmDE |
0.87 |
|
Hpmag |
6.8183 |
|
E Hpmag |
0.0013 |
|
SHp |
0.009 |
|
VA |
0 |
|
BV |
0.266 |
|
E BV |
0.008 |
|
VI |
0.3 |
|
16256-2327 E
Coord arcsec 2000 |
162524.29-232736.8 |
|
Mag |
8.42 |
|
Calc delta mag |
3.35 |
|
Calc coord |
yes |
|
16256-2327 F
Coord arcsec 2000 |
162534.94-232423.0 |
|
Mag |
11.7 |
|
Calc delta mag |
6.63 |
|
Calc coord |
yes |
|