21441+2845 STF 2822 BD
21h 44m 08.46s +28° 44' 34.6" P.A. 45.00 sep 196.7 mag 6.18,6.94 Sp G2V dist. 22.24 pc (72.55 l.y.)
Coord 2000 |
21441+2845 |
|
Discov num |
STF2822 |
|
Comp |
BD |
|
Coord arcsec 2000 |
21 44 08.46 +28 44 34.6 |
|
Date first |
1823 |
|
Date last |
2012 |
|
Obs |
24 |
|
Pa first |
60 |
|
Pa last |
45 |
|
P.A. Now (θ) |
45° |
|
Sep first |
213.9 |
|
Sep last |
196.7 |
|
Sep. Now (ρ) |
196.7" |
|
Mag pri |
6.18 |
|
Mag sec |
6.94 |
|
delta mag (ΔM) |
0.76 |
|
Spectral class |
G2V (yellow) |
|
Pri motion ra |
+260 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-243 |
|
Sec motion dec |
-054 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.905
This double is not physical.
21441+2845 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Mu1 Cyg |
89940 |
21 44 09 +28 44 33 |
STF 2822 AB |
2020 |
735 |
325 |
1.6 |
4.75 |
6.18 |
1.43 |
Y |
|
Show |
|
89940 |
21 44 09 +28 44 33 |
STF 2822 AC |
2012 |
16 |
292 |
76.6 |
4.75 |
12.93 |
8.18 |
|
|
Show |
|
89940 |
21 44 09 +28 44 33 |
STF 2822 AD |
2019 |
56 |
43 |
197.0 |
4.75 |
6.94 |
2.19 |
|
|
Show |
|
89940 |
21 44 09 +28 44 33 |
FYM 25 AF |
2012 |
3 |
72 |
111.5 |
4.75 |
12.64 |
7.89 |
|
|
Show |
|
89940 |
21 44 09 +28 44 33 |
FYM 25 AG |
2012 |
3 |
73 |
168.1 |
4.75 |
13.77 |
9.02 |
|
|
Show |
|
89944 |
21 44 08 +28 44 35 |
STF 2822 BD |
2012 |
24 |
45 |
196.7 |
6.18 |
6.94 |
0.76 |
|
<=== |
Show |
|
89944 |
21 44 19 +28 46 54 |
ES 521 DE |
2015 |
7 |
286 |
17.5 |
6.94 |
13.13 |
6.19 |
|
|
Show |
|
89944 |
21 44 19 +28 46 54 |
FYM 25 DG |
2012 |
3 |
164 |
89.6 |
6.94 |
13.77 |
6.83 |
|
|
Septuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
89944 |
|
HIP |
107310 |
|
Tycho2 |
2201-02078-2 |
|
HD |
206826 |
|
HR |
8309 |
|
GC |
30438 |
|
ADS |
15270 |
|
GL |
Gl 836.6A |
|
BD |
BD+28 4169 |
|
Bayer |
Mu 1 Cygni |
|
Bayer name |
Mu1 Cyg |
|
Flamsteed |
78 Cygni |
|
Flamsteed name |
78 Cyg |
|
Distance |
22.24 |
|
Distance ly |
72.55 |
|
Bayer greek |
μ1 Cyg |
|
WDS 21441+2845 STF 2822 BD : NOTES
discov_num |
notes |
refcode |
STF2822 |
mu Cyg. The A component is a double-lined spectroscopic binary. |
|
|
AB: H III 15. D is the principal component of ES 521. |
|
|
AC and AD: Optical pairs, based on study of relative motion of the |
|
|
components using the method of apparent motion parameters. |
Kiy2008 |
|
AB: H 3 15. |
MEv2010 |
ES 521 |
DE: D is SB2 |
Tok2014d |
FYM 25 |
DG pair initially listed incorrected as DH. |
FyM2014b |
STF2822 |
AC: Rectilinear solution by Friedman et al. (2011). |
USN2011a |
REFERENCES
refcode |
metd |
author |
reference |
FyM2014b |
C - |
Fay, M. |
. |
FyM2014b |
|
private communication |
|
Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
Kiy2008 |
|
SvAL 34, 405, 2008 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
Tok2014d |
|
AJ 147, 86, 2014 |
|
USN2011a |
lin - |
Friedman, E.A., Mason, B.D., & Hartkopf, W.I. |
2011IAUDS.175....1F |
USN2011a |
|
Inf. Circ. 175, 1, 2011 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
ES |
Espin, T.E. |
96 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21441+2845 |
STF2822 |
BD |
1991 |
23 |
46 |
198.7 |
6.18 |
6.94 |
A5 |
N |
214408.46+284434.6 |
21441+2845 |
STF2822 |
BD |
1999 |
24 |
45 |
198.1 |
6.18 |
6.94 |
A5 |
NU |
214408.46+284434.6 |
21441+2845 |
STF2822 |
BD |
2002 |
25 |
45 |
198.0 |
6.18 |
6.94 |
A5 |
NU |
214408.46+284434.6 |
21441+2845 |
STF2822 |
BD |
2012 |
26 |
45 |
196.7 |
6.18 |
6.94 |
A5 |
NU |
214408.46+284434.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21441+2845 STF 2822 BD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21441+2845 STF 2822 BD : MEASURES
No records found.
WDS 21441+2845 : 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 21441+2845 : ALADIN DSS IMAGE @ 21h 44m 08.46s +28° 44' 34.6"
WDS 21441+2845 STF 2822 BD : 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 |
|
21441+2845 |
STF2822 |
BD |
45 |
196.7 |
|
Show |
|
21441+2845 |
STF2822 |
AB |
325 |
1.6 |
1 |
Show |
|
21441+2845 |
STF2822 |
AC |
292 |
76.6 |
1 |
Show |
|
21441+2845 |
STF2822 |
AD |
43 |
197.0 |
1 |
Show |
|
21441+2845 |
FYM 25 |
AF |
72 |
111.5 |
1 |
Show |
|
21441+2845 |
FYM 25 |
AG |
73 |
168.1 |
1 |
Show |
|
21441+2845 |
ES 521 |
DE |
286 |
17.5 |
4 |
Show |
|
21441+2845 |
FYM 25 |
DG |
164 |
89.6 |
4 |
Show |
|
21444+2824 |
KPP3373 |
|
242 |
2.1 |
21 |
Show |
|
21461+2855 |
BRT 58 |
|
165 |
4.4 |
28 |
Show |
|
21454+2819 |
J 3145 |
|
112 |
5.4 |
29 |
Show |
|
21452+2914 |
UC 4550 |
|
15 |
42.5 |
33 |
Show |
|
21418+2901 |
MLB 492 |
|
114 |
7.0 |
35 |
Show |
|
21462+2817 |
MLB 540 |
AB |
256 |
4.1 |
37 |
Show |
|
21462+2817 |
MLB 540 |
AC |
322 |
8.7 |
37 |
Show |
|
21462+2817 |
ABH 152 |
AD |
68 |
41.8 |
37 |
Show |
|
21462+2817 |
ABH 152 |
AE |
96 |
80.1 |
37 |
Show |
|
21416+2911 |
GRV 493 |
|
184 |
44.7 |
43 |
Show |
|
21469+2907 |
CVR 919 |
|
201 |
23.5 |
43 |
Show |
|
21474+2855 |
AG 420 |
|
145 |
7.5 |
45 |
Show |
|
21474+2834 |
A 300 |
AB |
252 |
2.3 |
45 |
Show |
|
21474+2834 |
A 300 |
AC |
29 |
7.5 |
45 |
Show |
|
21474+2834 |
A 300 |
AD |
170 |
8.4 |
45 |
Show |
|
21420+2924 |
MLB 539 |
|
171 |
4.8 |
48 |
Show |
|
21423+2800 |
GRV 494 |
|
323 |
62.9 |
51 |
Show |
|
21439+2751 |
HO 166 |
|
233 |
0.2 |
54 |
Show |
|
21410+2920 |
STT 448 |
|
31 |
0.1 |
55 |
Show |
|
21442+2942 |
MLB 493 |
|
330 |
8.6 |
57 |
Show |
|
21480+2819 |
MLB 541 |
|
340 |
9.9 |
58 |
Show |
|
21470+2930 |
GRV 503 |
|
331 |
20.4 |
60 |
Show |
|
21473+2932 |
STJ 58 |
|
193 |
1.8 |
64 |
Show |
|
21458+2945 |
DAM 236 |
|
143 |
5.9 |
65 |
Show |
|
21455+2948 |
DAM 237 |
|
233 |
6.3 |
67 |
Show |
|
21430+2951 |
KPP 498 |
|
58 |
3.9 |
68 |
Show |
|
21420+2741 |
RAO 465 |
Aa,Ab |
128 |
0.3 |
70 |
Show |
|
21420+2741 |
RAO 465 |
AB |
303 |
2.6 |
70 |
Show |
|
21390+2826 |
ES 520 |
|
36 |
9.3 |
71 |
Show |
|
21401+2928 |
BRT 57 |
|
137 |
5.0 |
72 |
Show |
|
21458+2954 |
TDT3146 |
|
359 |
2.5 |
73 |
Show |
|
21420+2951 |
MLB 720 |
|
140 |
7.2 |
73 |
Show |
|
21457+2957 |
TDT3145 |
|
250 |
2.2 |
75 |
Show |
|
21477+2740 |
CVR 922 |
|
225 |
9.9 |
80 |
Show |
|
21435+2725 |
BKO 631 |
|
26 |
5.9 |
81 |
Show |
|
21412+2955 |
GRV 491 |
|
21 |
31.4 |
81 |
Show |
|
21435+2721 |
OSO 155 |
DG |
304 |
6.1 |
82 |
Show |
|
21435+2721 |
A 299 |
DE |
95 |
999.9 |
82 |
Show |
|
21435+2721 |
A 299 |
DF |
26 |
145.8 |
82 |
Show |
|
21453+2722 |
HO 606 |
|
93 |
18.4 |
85 |
Show |
|
21435+2721 |
A 299 |
AB |
67 |
1.1 |
85 |
Show |
|
21435+2721 |
A 299 |
AD |
64 |
374.5 |
85 |
Show |
|
21435+2721 |
A 299 |
BC |
325 |
0.1 |
85 |
|
|
WDS 21441+2845 : COMPONENTS
|
A |
B |
C |
D |
E |
F |
B |
pa=309.7°
sep=1.88"
| |
C |
pa=294.5°
sep=68.54"
| pa=294.1°
sep=66.73"
| |
D |
pa=44.8°
sep=197.77"
| pa=45.4°
sep=197.94"
| pa=61.0°
sep=230.66"
| |
E |
pa=40.7°
sep=191.34"
| pa=41.2°
sep=191.38"
| pa=58.0°
sep=220.43"
| pa=288.2°
sep=15.49"
| |
F |
pa=69.4°
sep=99.16"
| pa=70.4°
sep=100.11"
| pa=87.6°
sep=155.33"
| pa=203.8°
sep=115.30"
| pa=196.1°
sep=114.83"
| |
G |
pa=70.3°
sep=149.37"
| pa=70.9°
sep=150.33"
| pa=83.9°
sep=204.17"
| pa=179.2°
sep=90.03"
| pa=170.4°
sep=96.20"
| pa=72.1°
sep=50.24"
|
21441+2845 A
Name |
Mu1 Cyg |
|
Coord arcsec 2000 |
214408.57+284433.4 |
|
Mag |
4.75 |
|
Spectral class |
F6V (yellow-white) |
|
PmRA |
260.00 |
|
PmDE |
-243.0 |
|
SAO |
89940 |
|
HIP |
107310 |
|
Tycho2 |
2201-02078-1 |
|
HD |
206826 |
|
HR |
8309 |
|
GC |
30438 |
|
BD |
BD+28 4169 |
|
Bayer |
Mu 1 Cygni |
|
Bayer name |
Mu1 |
|
Flamsteed |
78 Cygni |
|
Flamsteed name |
78 Cyg |
|
Tycho2 |
2201-02078-1 |
|
Pflag |
P |
|
RAmdeg |
326.03572417 |
|
DEmdeg |
28.74264837 |
|
PmRA |
277.4 |
|
PmDE |
-251.1 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
2.7 |
|
E pmDE |
2.6 |
|
EpRAm |
1991.91 |
|
EpDEm |
1992.01 |
|
Num |
3 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.3 |
|
Q pmRA |
1.0 |
|
Q pmDE |
0.3 |
|
BTmag |
5.223 |
|
E BTmag |
0.014 |
|
VTmag |
4.745 |
|
E VTmag |
0.009 |
|
Prox |
20 |
|
TYC |
T |
|
HIP |
107310 |
|
CCDM |
A |
|
RAdeg |
326.03507722 |
|
DEdeg |
28.74316972 |
|
EpRA 1990 |
1.92 |
|
EpDE 1990 |
2.02 |
|
E RAdeg |
3.1 |
|
E DEdeg |
3.3 |
|
Posflg |
D |
|
Corr |
0.3 |
|
SAO |
89940 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.022 |
|
DE1950 |
|
|
PmDE1950 |
-0.238 |
|
Vmag |
4.7 |
|
SpType |
F5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
30438 |
|
DM |
BD+28 4169 |
|
DMcomp |
A |
|
BDsup |
|
|
HD |
206826 |
|
M HD |
0 |
|
GC |
30438 |
|
RA1950rad |
5.68062827 |
|
DE1950rad |
0.49770008 |
|
PmRA2000 |
0.0222 |
|
PmDE2000 |
-0.241 |
|
Catalog |
H |
|
HIP |
107310 |
|
Proxy |
H |
|
RAhms |
21 44 08.40 |
|
DEdms |
+28 44 35.6 |
|
Vmag |
4.49 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
326.035 |
|
DEdeg |
28.7432 |
|
AstroRef |
A |
|
Plx |
44.64 |
|
CCDM |
21442+2845 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
302 |
|
Rho |
2.002 |
|
HD |
206826 |
|
BD |
BD+28 4169 |
|
CD |
|
|
CP |
|
|
Dm number |
+28 4169 |
|
VIred |
0.55 |
|
SpType |
F6V |
|
R SpType |
|
|
Coord arcsec 2000 |
214408.40+284435.6 |
|
HIP |
107310 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.6903845519 |
|
DErad |
0.5016638713 |
|
Plx |
44.97 |
|
PmRA |
260.72 |
|
PmDE |
-243.21 |
|
E RArad |
0.33 |
|
E DErad |
0.3 |
|
E Plx |
0.43 |
|
E pmRA |
0.36 |
|
E pmDE |
0.31 |
|
Hpmag |
4.6029 |
|
E Hpmag |
0.0004 |
|
SHp |
0.005 |
|
VA |
0 |
|
BV |
0.512 |
|
E BV |
0.007 |
|
VI |
0.58 |
|
21441+2845 B
Coord arcsec 2000 |
214408.46+284434.6 |
|
Coord calc |
214408.46+284434.6 |
|
Mag |
6.18 |
|
Spectral class |
G2V (yellow) |
|
PmRA |
260.00 |
|
PmDE |
-243.0 |
|
Tycho2 |
2201-02078-2 |
|
Calc delta mag |
1.43 |
|
Tycho2 |
2201-02078-2 |
|
Pflag |
P |
|
RAmdeg |
326.03572417 |
|
DEmdeg |
28.74264837 |
|
PmRA |
277.4 |
|
PmDE |
-251.1 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
2.7 |
|
E pmDE |
2.6 |
|
EpRAm |
1991.91 |
|
EpDEm |
1992.01 |
|
Num |
3 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
0.3 |
|
Q pmRA |
1.0 |
|
Q pmDE |
0.3 |
|
BTmag |
6.785 |
|
E BTmag |
0.014 |
|
VTmag |
6.179 |
|
E VTmag |
0.009 |
|
Prox |
20 |
|
TYC |
T |
|
HIP |
107310 |
|
CCDM |
B |
|
RAdeg |
326.03454639 |
|
DEdeg |
28.74346778 |
|
EpRA 1990 |
1.92 |
|
EpDE 1990 |
2.00 |
|
E RAdeg |
3.3 |
|
E DEdeg |
3.7 |
|
Posflg |
D |
|
Corr |
0.3 |
|
21441+2845 C
Coord arcsec 2000 |
214403.83+284501.8 |
|
Mag |
12.93 |
|
Calc delta mag |
8.18 |
|
Calc coord |
yes |
|
21441+2845 D
Coord arcsec 2000 |
214419.17+284653.7 |
|
Coord calc |
214419.17+284653.7 |
|
Mag |
6.94 |
|
Spectral class |
A5 (white) |
|
PmRA |
-1.00 |
|
PmDE |
-54.0 |
|
SAO |
89944 |
|
HIP |
107326 |
|
Tycho2 |
2201-00786-1 |
|
HD |
206874 |
|
GC |
30442 |
|
BD |
BD+28 4171 |
|
Calc delta mag |
2.19 |
|
Tycho2 |
2201-00786-1 |
|
Pflag |
|
|
RAmdeg |
326.07993096 |
|
DEmdeg |
28.78160134 |
|
PmRA |
-1.1 |
|
PmDE |
-54.5 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.1 |
|
E pmDE |
1.0 |
|
EpRAm |
1991.64 |
|
EpDEm |
1991.67 |
|
Num |
12 |
|
Q RAmdeg |
0.8 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
0.6 |
|
Q pmDE |
0.8 |
|
BTmag |
7.329 |
|
E BTmag |
0.015 |
|
VTmag |
6.940 |
|
E VTmag |
0.010 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
107326 |
|
CCDM |
|
|
RAdeg |
326.07993361 |
|
DEdeg |
28.78172278 |
|
EpRA 1990 |
1.93 |
|
EpDE 1990 |
1.98 |
|
E RAdeg |
3.5 |
|
E DEdeg |
4.0 |
|
Posflg |
|
|
Corr |
0.2 |
|
SAO |
89944 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0006 |
|
DE1950 |
|
|
PmDE1950 |
-0.048 |
|
Vmag |
6.9 |
|
SpType |
A5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
30442 |
|
DM |
BD+28 4171 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
206874 |
|
M HD |
0 |
|
GC |
30442 |
|
RA1950rad |
5.68147705 |
|
DE1950rad |
0.49832916 |
|
PmRA2000 |
-0.0005 |
|
PmDE2000 |
-0.052 |
|
Catalog |
H |
|
HIP |
107326 |
|
Proxy |
|
|
RAhms |
21 44 19.18 |
|
DEdms |
+28 46 54.2 |
|
Vmag |
6.89 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
326.08 |
|
DEdeg |
28.7817 |
|
AstroRef |
|
|
Plx |
12.99 |
|
CCDM |
21442+2845 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
206874 |
|
BD |
BD+28 4171 |
|
CD |
|
|
CP |
|
|
Dm number |
+28 4171 |
|
VIred |
0.48 |
|
SpType |
A5 |
|
R SpType |
|
|
Coord arcsec 2000 |
214419.18+284654.2 |
|
HIP |
107326 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
5.6911684504 |
|
DErad |
0.5023360234 |
|
Plx |
11.6 |
|
PmRA |
-0.7 |
|
PmDE |
-53.92 |
|
E RArad |
0.44 |
|
E DErad |
0.45 |
|
E Plx |
0.63 |
|
E pmRA |
0.53 |
|
E pmDE |
0.54 |
|
Hpmag |
6.9882 |
|
E Hpmag |
0.0011 |
|
SHp |
0.008 |
|
VA |
0 |
|
BV |
0.411 |
|
E BV |
0.015 |
|
VI |
0.48 |
|
21441+2845 E
Coord arcsec 2000 |
214418.05+284658.5 |
|
Mag |
13.13 |
|
Calc delta mag |
8.38 |
|
Calc coord |
yes |
|
21441+2845 F
Coord arcsec 2000 |
214415.63+284508.2 |
|
Mag |
12.64 |
|
PmRA |
6.00 |
|
PmDE |
6.0 |
|
Calc delta mag |
7.89 |
|
Calc coord |
yes |
|
21441+2845 G
Coord arcsec 2000 |
214419.27+284523.7 |
|
Mag |
13.77 |
|
PmRA |
4.00 |
|
PmDE |
2.0 |
|
Calc delta mag |
9.02 |
|
Calc coord |
yes |
|