20145+3640 BLL 48 AB (V1679 Cyg)
20h 14m 31.77s +36° 39' 39.6" P.A. 117.00 sep 113.6 mag 7.97,10.06 Sp WC dist. 2083.33 pc (6795.82 l.y.)
Coord 2000 |
20145+3640 |
|
Discov num |
BLL 48 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 14 31.77 +36 39 39.6 |
|
Date first |
1878 |
|
Date last |
2015 |
|
Obs |
21 |
|
Pa first |
118 |
|
Pa last |
117.2 |
|
P.A. Now (θ) |
117.2° |
|
Sep first |
113.6 |
|
Sep last |
113.616 |
|
Sep. Now (ρ) |
113.616" |
|
Mag pri |
7.97 |
|
Mag sec |
10.06 |
|
delta mag (ΔM) |
2.09 |
|
Spectral class |
WC (Wolf-Rayet) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-008 |
|
Notes |
N
(See Notes) |
|
rPM=0.117 (< 0.3, Physical double)
This double is physical.
20145+3640 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
69677 |
20 14 32 +36 39 40 |
RJJ 1 Aa,Ab |
2013 |
2 |
132 |
0.0 |
7.40 |
7.70 |
0.30 |
|
|
Show |
V1679 Cyg |
69677 |
20 14 32 +36 39 40 |
BLL 48 AB |
2015 |
21 |
117 |
113.6 |
7.97 |
10.06 |
2.09 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
V1679 Cyg |
|
Constellation |
Cygnus |
|
SAO |
69677 |
|
HIP |
99769 |
|
Tycho2 |
2683-03369-1 |
|
Gaia DR2 |
2060508777869902592 |
|
HD |
192641 |
|
BD |
BD+36 3956 |
|
Distance |
2083.33 |
|
Distance ly |
6795.82 |
|
WDS 20145+3640 BLL 48 AB (V1679 Cyg) : NOTES
discov_num |
notes |
refcode |
RJJ 1 |
Aa,Ab: Primary is Wolf-Rayet WR 137, distance 1300pc. First resolved |
|
|
with IOTA array by Rajagopal (2010), later confirmed with CHARA Array |
RjJ2010 |
|
by Richardson et al. (2016). Richardson et al. infer the following |
|
|
stellar parameters for the WR star and its close companion: |
|
|
Spectral types: WC7pd O9 V |
|
|
T* (K) 60000 +/- 5000 32000 +/- 2000 |
|
|
log L (Lsun) 5.22 +/-0.05 4.75 +/- 0.05 |
|
|
R* (Rsun) 3.8 +/- 1 7.7 +/- 1 |
CIA2016b |
REFERENCES
refcode |
metd |
author |
reference |
CIA2016b |
Kc j |
Richardson, N.D., Shenar, T., Roy-Loubier, O., Schaefer, G., Moffat, A.F.J., |
2016MNRAS.461.4115R |
CIA2016b |
|
St-Louis, N., Gies, D.R., Farrington, C., Hill, G.M., Williams, P.M., |
|
CIA2016b |
|
Gordon, K., Pablo, H., & Ramiaramanantsoa, T. |
|
CIA2016b |
|
MNRAS 461, 4115, 2016 |
|
RjJ2010 |
Ki - |
Rajagopal J. |
2010RMxAC..38...54R |
RjJ2010 |
|
Rev. Mex. Astron. Astrofis. Ser. Conf. 38, 54, 2010 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BLL |
Ball, R.S. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20145+3640 |
BLL 48 |
AB |
2003 |
16 |
118 |
113.6 |
7.97 |
10.06 |
WC |
N |
201431.77+363939.6 |
20145+3640 |
BLL 48 |
AB |
2015 |
17 |
117 |
113.6 |
7.97 |
10.06 |
WC |
N |
201431.77+363939.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20145+3640 BLL 48 AB (V1679 Cyg) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20145+3640 BLL 48 AB (V1679 Cyg) : MEASURES
No records found.
WDS 20145+3640 (V1679 Cyg) : 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 20145+3640 (V1679 Cyg) : ALADIN DSS IMAGE @ 20h 14m 31.77s +36° 39' 39.6"
WDS 20145+3640 BLL 48 AB (V1679 Cyg) : 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 |
|
20145+3640 |
BLL 48 |
AB |
117 |
113.6 |
|
Show |
|
20145+3640 |
RJJ 1 |
Aa,Ab |
132 |
0.0 |
|
Show |
|
20144+3638 |
SEI1037 |
|
101 |
32.1 |
2 |
Show |
|
20146+3635 |
SEI1041 |
|
23 |
21.6 |
6 |
Show |
|
20145+3648 |
ENG 72 |
BD |
120 |
217.5 |
6 |
Show |
|
20151+3637 |
SLE 975 |
|
152 |
9.0 |
8 |
Show |
|
20145+3648 |
ENG 72 |
AB |
155 |
215.3 |
9 |
Show |
|
20145+3648 |
ENG 72 |
AC |
22 |
212.3 |
9 |
Show |
|
20145+3648 |
BUP 207 |
AE |
325 |
35.2 |
9 |
Show |
|
20145+3648 |
SMR 39 |
AF |
33 |
32.7 |
9 |
Show |
|
20145+3648 |
FYM 105 |
AH |
133 |
10.0 |
9 |
Show |
|
20140+3633 |
SEI1028 |
|
177 |
13.3 |
10 |
Show |
|
20144+3630 |
SEI1036 |
|
230 |
26.2 |
10 |
Show |
|
20140+3630 |
SEI1030 |
|
163 |
15.7 |
12 |
Show |
|
20136+3640 |
SEI1023 |
|
344 |
28.6 |
12 |
Show |
|
20135+3634 |
SEI1020 |
AB |
276 |
13.9 |
14 |
Show |
|
20135+3634 |
SEI1022 |
AC |
217 |
21.9 |
14 |
Show |
|
20133+3634 |
SEI1016 |
|
343 |
12.2 |
16 |
Show |
|
20143+3657 |
A 1420 |
|
70 |
0.6 |
18 |
Show |
|
20136+3631 |
SEI1024 |
|
99 |
17.4 |
18 |
Show |
|
20145+3621 |
TDT2114 |
|
66 |
0.6 |
19 |
Show |
|
20160+3648 |
SLE 979 |
|
34 |
11.1 |
19 |
Show |
|
20129+3642 |
SEI1011 |
|
257 |
6.9 |
20 |
Show |
|
20130+3629 |
ES 2188 |
|
74 |
1.7 |
20 |
Show |
|
20128+3638 |
SEI1010 |
|
205 |
31.4 |
21 |
Show |
|
20150+3659 |
SLE 974 |
|
330 |
12.5 |
21 |
Show |
|
20127+3642 |
SEI1007 |
|
238 |
22.8 |
22 |
Show |
|
20127+3645 |
SEI1006 |
AB |
306 |
17.1 |
23 |
Show |
|
20127+3645 |
SLE 964 |
AC |
332 |
11.5 |
23 |
Show |
|
20126+3639 |
SLE 962 |
|
21 |
8.5 |
23 |
Show |
|
20141+3617 |
SEI1031 |
|
61 |
18.6 |
24 |
Show |
|
20166+3651 |
SEI1059 |
|
320 |
13.0 |
28 |
Show |
|
20141+3706 |
A 1419 |
|
35 |
0.4 |
28 |
Show |
|
20167+3629 |
COU2417 |
|
351 |
0.8 |
28 |
Show |
|
20168+3633 |
KRV 10 |
|
359 |
2.5 |
29 |
Show |
|
20120+3640 |
SEI 989 |
|
153 |
29.4 |
31 |
Show |
|
20167+3625 |
SLE 983 |
|
276 |
11.9 |
31 |
Show |
|
20140+3710 |
SEI1029 |
|
232 |
7.2 |
31 |
Show |
|
20119+3642 |
TDT2077 |
|
49 |
0.8 |
32 |
Show |
|
20138+3710 |
TOB 181 |
|
16 |
15.0 |
32 |
Show |
|
20132+3611 |
NSN 731 |
|
324 |
25.3 |
33 |
Show |
|
20126+3618 |
SEI1004 |
AB |
108 |
25.8 |
33 |
Show |
|
20126+3618 |
TOB 178 |
AC |
288 |
27.8 |
33 |
Show |
|
20170+3627 |
SEI1063 |
|
258 |
16.3 |
33 |
Show |
|
20165+3703 |
ARY 24 |
|
307 |
96.3 |
34 |
Show |
|
20122+3621 |
SEI 996 |
AB |
|
29.5 |
34 |
Show |
|
20122+3621 |
STJ 71 |
AC |
105 |
1.1 |
34 |
Show |
|
20137+3713 |
SEI1026 |
|
87 |
19.5 |
35 |
Show |
|
20135+3607 |
SEI1019 |
|
115 |
23.9 |
36 |
Show |
|
20126+3614 |
SEI1003 |
|
282 |
23.4 |
36 |
Show |
|
20155+3713 |
ES 2189 |
|
136 |
3.3 |
36 |
|
|
WDS 20145+3640 : COMPONENTS
|
A |
Ab |
Ab |
pa=137.9°
sep=0.00"
| |
B |
pa=122.6°
sep=96.28"
| pa=122.6°
sep=96.27"
|
20145+3640 A
Name |
V1679 Cyg |
|
Coord arcsec 2000 |
201431.77+363939.6 |
|
Mag |
7.97 |
|
Spectral class |
WC (Wolf-Rayet) |
|
PmRA |
-3.00 |
|
PmDE |
-7.0 |
|
SAO |
69677 |
|
HIP |
99769 |
|
Tycho2 |
2683-03369-1 |
|
HD |
192641 |
|
BD |
BD+36 3956 |
|
Tycho2 |
2683-03369-1 |
|
Pflag |
|
|
RAmdeg |
303.63236238 |
|
DEmdeg |
36.66099534 |
|
PmRA |
-2.9 |
|
PmDE |
-6.8 |
|
E RAmdeg |
5 |
|
E DEmdeg |
5 |
|
E pmRA |
0.9 |
|
E pmDE |
0.9 |
|
EpRAm |
1991.13 |
|
EpDEm |
1991.21 |
|
Num |
14 |
|
Q RAmdeg |
1.4 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.3 |
|
Q pmDE |
1.0 |
|
BTmag |
8.293 |
|
E BTmag |
0.016 |
|
VTmag |
7.967 |
|
E VTmag |
0.012 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
99769 |
|
CCDM |
|
|
RAdeg |
303.63237111 |
|
DEdeg |
36.66101111 |
|
EpRA 1990 |
1.64 |
|
EpDE 1990 |
1.68 |
|
E RAdeg |
5.3 |
|
E DEdeg |
5.4 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
69677 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0009 |
|
DE1950 |
|
|
PmDE1950 |
-0.026 |
|
Vmag |
7.8 |
|
SpType |
Oa |
|
Double code |
|
|
Source |
5 |
|
CatNum |
1973 |
|
DM |
BD+36 3956 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
192641 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
5.29121038 |
|
DE1950rad |
0.63718072 |
|
PmRA2000 |
-0.0006 |
|
PmDE2000 |
-0.028 |
|
Catalog |
H |
|
HIP |
99769 |
|
Proxy |
|
|
RAhms |
20 14 31.77 |
|
DEdms |
+36 39 39.6 |
|
Vmag |
7.92 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
303.632 |
|
DEdeg |
36.661 |
|
AstroRef |
|
|
Plx |
-0.39 |
|
CCDM |
20146+3639 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
192641 |
|
BD |
BD+36 3956 |
|
CD |
|
|
CP |
|
|
Dm number |
+36 3956 |
|
VIred |
0.31 |
|
SpType |
WC... |
|
R SpType |
|
|
Coord arcsec 2000 |
201431.77+363939.6 |
|
HIP |
99769 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
5.2993846029 |
|
DErad |
0.6398553866 |
|
Plx |
-0.48 |
|
PmRA |
-2.31 |
|
PmDE |
-5.3 |
|
E RArad |
0.53 |
|
E DErad |
0.56 |
|
E Plx |
0.74 |
|
E pmRA |
0.65 |
|
E pmDE |
0.71 |
|
Hpmag |
7.95 |
|
E Hpmag |
0.0017 |
|
SHp |
0.014 |
|
VA |
0 |
|
BV |
0.306 |
|
E BV |
0.016 |
|
VI |
0.35 |
|
20145+3640 Ab
Coord arcsec 2000 |
201431.77+363939.6 |
|
Mag |
7.7 |
|
Spectral class |
O9V (blue) |
|
Calc delta mag |
0.3 |
|
Calc coord |
yes |
|
20145+3640 B
Coord arcsec 2000 |
201438.51+363847.7 |
|
Mag |
10.06 |
|
PmRA |
-3.00 |
|
PmDE |
-8.0 |
|
Calc delta mag |
2.66 |
|
Calc coord |
yes |
|