21186+1134 BU 163 AC
21h 18m 34.85s +11° 34' 08.2" P.A. 252.00 sep 29.7 mag 7.31,15.00 Sp G2.7V dist. 47.66 pc (155.47 l.y.)
Coord 2000 |
21186+1134 |
|
Discov num |
BU 163 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 18 34.85 +11 34 08.2 |
|
Date first |
1908 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
242 |
|
Pa last |
252.4 |
|
P.A. Now (θ) |
252.4° |
|
Sep first |
28.9 |
|
Sep last |
29.693 |
|
Sep. Now (ρ) |
29.693" |
|
Mag pri |
7.31 |
|
Mag sec |
15.00 |
|
delta mag (ΔM) |
7.69 |
|
Spectral class |
G2.7V (yellow) |
|
Pri motion ra |
+036 |
|
Sec motion ra |
|
|
Pri motion dec |
-049 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21186+1134 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 202908 |
107015 |
21 18 35 +11 34 08 |
BU 163 AB |
2021 |
229 |
257 |
1.0 |
7.31 |
8.88 |
1.57 |
Y |
|
Show |
|
107015 |
21 18 35 +11 34 08 |
BU 163 AC |
2015 |
6 |
252 |
29.7 |
7.31 |
15.00 |
7.69 |
|
<=== |
Show |
|
107015 |
21 18 35 +11 34 08 |
BU 163 AD |
2015 |
6 |
163 |
44.8 |
7.31 |
14.40 |
7.09 |
|
|
Show |
|
107015 |
21 18 35 +11 34 08 |
BU 163 AE |
2015 |
12 |
6 |
87.5 |
7.31 |
12.67 |
5.36 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Equuleus |
|
SAO |
107015 |
|
HIP |
105200 |
|
Tycho2 |
1113-00330-1 |
|
Gaia DR2 |
1746335802793081344 |
|
HD |
202908 |
|
BD |
BD+10 4514 |
|
Distance |
47.66 |
|
Distance ly |
155.47 |
|
WDS 21186+1134 BU 163 AC : NOTES
discov_num |
notes |
refcode |
BU 163 |
A is a double-lined spectroscopic binary, period 4.0d. |
|
|
1986.395, 1986.565: The separation of this difficult partially |
|
|
resolved pair was calculated under the assumption that delta V = 1.2 |
|
|
magnitude, but the large number of measurements makes the result |
|
|
reliable. The strange character of the observed motion (Tokovinin, |
|
|
1986 Astron. Circ. No. 1415) is confirmed. |
Tok1985 |
|
Spectral types and masses of components assigned by ten Brummelaar et |
|
|
al., based on adaptive optics observations. |
TtB2000 |
|
Mass-sum in good agreement with the complete speckle/spectroscopic |
Fek1997 |
|
analysis by Fekel et al. (1997). |
Sod1999 |
|
AB: Malkov et al. (2012) derive dynamical, photometric, and |
|
|
spectroscopic masses 2.44 +/- 1.33, 2.19, and 1.99 Msun, respectively. |
Mlk2012 |
REFERENCES
refcode |
metd |
author |
reference |
Fek1997 |
Sc j |
Fekel, F.C., Scarfe, C.D., Barlow, D.J., Duquennoy, A., McAlister, H.A., |
1997AJ....113.1095F |
Fek1997 |
+orb |
Hartkopf, W.I., Mason, B.D., & Tokovinin, A.A. |
|
Fek1997 |
|
AJ 113, 1095, 1997 |
|
Mlk2012 |
not - |
Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. |
2012A&A...546A..69M |
Mlk2012 |
|
A&A 546, A69, 2012 |
|
Sod1999 |
orb - |
Soderhjelm, S. |
1999A&A...341..121S |
Sod1999 |
|
A&A 341, 121, 1999 |
|
Tok1985 |
Ig u |
Tokovinin, A.A. |
1985A&AS...61..483T |
Tok1985 |
|
A&AS 61, 483, 1985 |
|
TtB2000 |
Ac j |
ten Brummelaar, T.A., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., |
2000AJ....119.2403T |
TtB2000 |
|
Turner, N.H., Hartkopf, W.I., & Bagnuolo, W.G., Jr. |
|
TtB2000 |
|
AJ 119, 2403, 2000 (magnitude differences from Mt. Wilson AO) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21186+1134 |
BU 163 |
AC |
2000 |
2 |
251 |
29.3 |
7.37 |
13.90 |
G0V |
N D |
211834.85+113408.2 |
21186+1134 |
BU 163 |
AC |
2001 |
4 |
251 |
29.5 |
8.94 |
13.90 |
G0V |
N D |
211834.85+113408.2 |
21186+1134 |
BU 163 |
AC |
2013 |
5 |
252 |
28.3 |
7.31 |
15.00 |
G0V |
N |
211834.85+113408.2 |
21186+1134 |
BU 163 |
AC |
2015 |
6 |
252 |
29.7 |
7.31 |
15.00 |
G0V |
N |
211834.85+113408.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21186+1134 BU 163 AC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21186+1134 BU 163 AC : MEASURES
No records found.
WDS 21186+1134 : 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 21186+1134 : ALADIN DSS IMAGE @ 21h 18m 34.85s +11° 34' 08.2"
WDS 21186+1134 BU 163 AC : 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 |
|
21186+1134 |
BU 163 |
AB |
257 |
1.0 |
|
Show |
|
21186+1134 |
BU 163 |
AC |
252 |
29.7 |
|
Show |
|
21186+1134 |
BU 163 |
AD |
163 |
44.8 |
|
Show |
|
21186+1134 |
BU 163 |
AE |
6 |
87.5 |
|
Show |
|
21188+1144 |
HEI 880 |
|
205 |
2.0 |
11 |
Show |
|
21196+1153 |
BPM2359 |
|
145 |
89.8 |
24 |
Show |
|
21198+1108 |
GRV 446 |
|
157 |
60.2 |
32 |
Show |
|
21164+1128 |
CVR 892 |
|
185 |
7.0 |
33 |
Show |
|
21209+1140 |
BPM2361 |
|
54 |
111.3 |
34 |
Show |
|
21215+1122 |
BPM2363 |
|
196 |
52.2 |
44 |
Show |
|
21190+1218 |
BRT1354 |
|
163 |
3.6 |
45 |
Show |
|
21175+1221 |
HJ 279 |
AB |
293 |
5.4 |
49 |
Show |
|
21175+1221 |
HJ 279 |
AC |
293 |
126.7 |
49 |
Show |
|
21184+1233 |
BRT1352 |
|
183 |
5.0 |
60 |
Show |
|
21222+1114 |
J 2605 |
|
223 |
1.5 |
60 |
Show |
|
21223+1111 |
BRT1355 |
|
192 |
4.1 |
62 |
Show |
|
21224+1110 |
NSN 743 |
|
262 |
2.3 |
62 |
Show |
|
21143+1145 |
BPM2351 |
|
255 |
115.3 |
64 |
Show |
|
21142+1135 |
BPM2350 |
|
144 |
29.1 |
65 |
Show |
|
21225+1207 |
BPM2366 |
|
107 |
61.1 |
67 |
Show |
|
21181+1027 |
UC 4435 |
|
259 |
50.5 |
68 |
Show |
|
21225+1057 |
J 161 |
|
300 |
2.0 |
69 |
Show |
|
21139+1140 |
BPM2346 |
|
245 |
17.4 |
69 |
Show |
|
21227+1101 |
BPM2367 |
|
336 |
97.0 |
70 |
Show |
|
21191+1244 |
BPM2357 |
|
65 |
34.9 |
71 |
Show |
|
21140+1106 |
TOB 316 |
BC |
87 |
21.1 |
74 |
Show |
|
21140+1106 |
AG 415 |
AB |
23 |
15.9 |
74 |
Show |
|
21137+1115 |
BPM2345 |
|
10 |
52.4 |
75 |
Show |
|
21140+1219 |
BPM2348 |
|
161 |
95.7 |
81 |
Show |
|
21202+1018 |
HJ 933 |
|
239 |
17.0 |
81 |
Show |
|
21214+1020 |
A 617 |
|
45 |
0.0 |
85 |
Show |
|
21142+1231 |
HEI 406 |
|
179 |
0.7 |
86 |
Show |
|
21138+1045 |
HJ 278 |
|
263 |
22.9 |
86 |
Show |
|
21130+1109 |
GWP3042 |
|
113 |
25.6 |
87 |
Show |
|
21248+1136 |
GWP3057 |
|
181 |
11.2 |
92 |
Show |
|
21123+1105 |
BPMA251 |
|
305 |
252.8 |
97 |
Show |
|
21128+1223 |
KPP4228 |
|
149 |
2.3 |
98 |
Show |
|
21236+1030 |
BRT1356 |
|
63 |
5.7 |
99 |
Show |
|
21206+1310 |
HDS3038 |
|
126 |
0.1 |
101 |
Show |
|
21254+1121 |
A 887 |
AB |
213 |
0.1 |
102 |
Show |
|
21254+1121 |
A 887 |
AC |
322 |
12.3 |
102 |
Show |
|
21254+1121 |
FYM 330 |
AD |
79 |
22.9 |
102 |
Show |
|
21254+1121 |
FYM 330 |
AE |
61 |
16.2 |
102 |
Show |
|
21116+1133 |
LDS4869 |
|
267 |
203.8 |
103 |
Show |
|
21179+0952 |
HJ 3019 |
|
309 |
15.0 |
103 |
Show |
|
21118+1205 |
GRV 434 |
|
169 |
65.4 |
104 |
Show |
|
21242+1237 |
HJ 282 |
AB |
69 |
27.3 |
104 |
Show |
|
21242+1237 |
FYM 182 |
AC |
162 |
14.9 |
104 |
Show |
|
21131+1028 |
BU 1501 |
|
210 |
1.0 |
105 |
Show |
|
21257+1140 |
BPM2374 |
|
142 |
74.8 |
106 |
Show |
|
21201+0947 |
UC 4444 |
AB |
170 |
74.7 |
109 |
|
|
WDS 21186+1134 : COMPONENTS
|
A |
B |
C |
D |
B |
pa=257.0°
sep=0.94"
| |
C |
pa=252.1°
sep=29.15"
| pa=251.9°
sep=28.21"
| |
D |
pa=162.9°
sep=44.73"
| pa=161.7°
sep=44.81"
| pa=129.6°
sep=53.02"
| |
E |
pa=6.0°
sep=87.50"
| pa=6.6°
sep=87.80"
| pa=21.0°
sep=102.82"
| pa=358.2°
sep=129.84"
|
21186+1134 A
Name |
HD 202908 |
|
Coord arcsec 2000 |
211834.85+113408.2 |
|
Mag |
7.31 |
|
Spectral class |
G2.7V (yellow) |
|
PmRA |
32.00 |
|
PmDE |
-56.0 |
|
SAO |
107015 |
|
HIP |
105200 |
|
Tycho2 |
1113-00330-1 |
|
HD |
202908 |
|
GC |
29812 |
|
ADS |
14839 |
|
BD |
BD+10 4514 |
|
Tycho2 |
1113-00330-1 |
|
Pflag |
|
|
RAmdeg |
319.64529696 |
|
DEmdeg |
11.56881299 |
|
PmRA |
27.8 |
|
PmDE |
-54.6 |
|
E RAmdeg |
4 |
|
E DEmdeg |
5 |
|
E pmRA |
1.4 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.50 |
|
EpDEm |
1991.18 |
|
Num |
12 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
1.4 |
|
Q pmDE |
1.1 |
|
BTmag |
7.730 |
|
E BTmag |
0.016 |
|
VTmag |
7.081 |
|
E VTmag |
0.011 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
105200 |
|
CCDM |
AB |
|
RAdeg |
319.64523139 |
|
DEdeg |
11.56894194 |
|
EpRA 1990 |
1.66 |
|
EpDE 1990 |
1.48 |
|
E RAdeg |
4.4 |
|
E DEdeg |
5.2 |
|
Posflg |
P |
|
Corr |
0.0 |
|
SAO |
107015 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0004 |
|
DE1950 |
|
|
PmDE1950 |
-0.035 |
|
Vmag |
7 |
|
SpType |
G0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
29812 |
|
DM |
BD+10 4514 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
202908 |
|
M HD |
0 |
|
GC |
29812 |
|
RA1950rad |
5.56830539 |
|
DE1950rad |
0.1982445 |
|
PmRA2000 |
-0.0003 |
|
PmDE2000 |
-0.039 |
|
Catalog |
H |
|
HIP |
105200 |
|
Proxy |
H |
|
RAhms |
21 18 34.85 |
|
DEdms |
+11 34 08.2 |
|
Vmag |
7.01 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
319.645 |
|
DEdeg |
11.5689 |
|
AstroRef |
* |
|
Plx |
19.79 |
|
CCDM |
21186+1134 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
B |
|
M HIP |
AB |
|
Theta |
268 |
|
Rho |
0.23 |
|
HD |
202908 |
|
BD |
BD+10 4514 |
|
CD |
|
|
CP |
|
|
Dm number |
+10 4514 |
|
VIred |
0.66 |
|
SpType |
G0V |
|
R SpType |
|
|
Coord arcsec 2000 |
211834.85+113408.2 |
|
HIP |
105200 |
|
Sn |
55 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.5788616535 |
|
DErad |
0.2019161542 |
|
Plx |
20.98 |
|
PmRA |
34.7 |
|
PmDE |
-48.91 |
|
E RArad |
0.51 |
|
E DErad |
0.37 |
|
E Plx |
0.58 |
|
E pmRA |
0.58 |
|
E pmDE |
0.45 |
|
Hpmag |
7.1435 |
|
E Hpmag |
0.001 |
|
SHp |
0.009 |
|
VA |
0 |
|
BV |
0.605 |
|
E BV |
0.009 |
|
VI |
0.67 |
|
Ccdm |
21186+1134 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-1.21 |
|
DDEs |
7.0 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
5 |
|
Vmag |
7.2 |
|
Sp |
G0 |
|
PmNote |
* |
|
PmRA |
10 |
|
PmDE |
-63 |
|
Dm number |
+10 4514 |
|
Cat1 |
BD |
|
Name2 |
+11 2644 |
|
Cat2 |
AGK2/3 |
|
HD |
202908 |
|
M HD |
|
|
ADS BDS |
A14839 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
21138N1109A |
|
HIC |
105200 |
|
21186+1134 B
Coord arcsec 2000 |
211834.79+113408.0 |
|
Mag |
8.88 |
|
Spectral class |
G5V (yellow) |
|
Calc delta mag |
1.57 |
|
Calc coord |
yes |
|
Ccdm |
21186+1134 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
* |
|
Note2 |
|
|
Discov num |
BU 163 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1876 |
|
Theta |
|
|
Rho |
|
|
Obs |
99 |
|
Vmag |
9.1 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14839 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
21138N1109B |
|
HIC |
105200 |
|
21186+1134 C
Coord arcsec 2000 |
211832.96+113359.2 |
|
Mag |
15 |
|
Calc delta mag |
7.69 |
|
Calc coord |
yes |
|
Ccdm |
21186+1134 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 163 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1908 |
|
Theta |
242 |
|
Rho |
28.9 |
|
Obs |
1 |
|
Vmag |
13.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14839 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
21138N1109C |
|
HIC |
|
|
21186+1134 D
Coord arcsec 2000 |
211835.74+113325.4 |
|
Mag |
14.4 |
|
Calc delta mag |
7.09 |
|
Calc coord |
yes |
|
Ccdm |
21186+1134 |
|
RComp |
|
|
Comp |
D |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 163 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1908 |
|
Theta |
161 |
|
Rho |
50.2 |
|
Obs |
1 |
|
Vmag |
12.9 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14839 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
21138N1109D |
|
HIC |
|
|
21186+1134 E
Coord arcsec 2000 |
211835.47+113535.2 |
|
Mag |
12.67 |
|
PmRA |
4.00 |
|
PmDE |
0.0 |
|
Calc delta mag |
5.36 |
|
Calc coord |
yes |
|
Ccdm |
21186+1134 |
|
RComp |
|
|
Comp |
E |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 163 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1901 |
|
Theta |
009 |
|
Rho |
82.6 |
|
Obs |
3 |
|
Vmag |
10.8 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A14839 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
21138N1109E |
|
HIC |
|
|