20421+4532 BKO 157
20h 42m 05.19s +45° 32' 15.6" P.A. 240.00 sep 8.9 mag 14.10,14.80
Coord 2000 |
20421+4532 |
|
Discov num |
BKO 157 |
|
Comp |
|
|
Coord arcsec 2000 |
20 42 05.19 +45 32 15.6 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
240 |
|
Pa last |
240.3 |
|
P.A. Now (θ) |
240.3° |
|
Sep first |
8.9 |
|
Sep last |
8.855 |
|
Sep. Now (ρ) |
8.855" |
|
Mag pri |
14.10 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
Pri motion ra |
+018 |
|
Sec motion ra |
+022 |
|
Pri motion dec |
+008 |
|
Sec motion dec |
+008 |
|
Notes |
|
|
rPM=0.171 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2070418092043110144 |
|
WDS 20421+4532 BKO 157 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Bko2002 |
C - |
Ladanyi, T. & Berko, E. |
................... |
Bko2002 |
|
Webb Soc., Double Star Circ. 10, 2002 |
|
Bko2003 |
C u |
Ladanyi, T., Berko, E. & Vaskuti, G |
................... |
Bko2003 |
|
Webb Soc., Double Star Circ. 11, 2003 |
|
Bko2004 |
C u |
Berko, E., Ladanyi, T. & Vaskuti, G |
................... |
Bko2004 |
|
Webb Soc., Double Star Circ. 12, 2004 |
|
Bko2005 |
C u |
Berko, E., Ladanyi, T. & Vaskuti, G |
................... |
Bko2005 |
|
Webb Soc., Double Star Circ. 13, 2005 |
|
Bko2008 |
C u |
Berko, E. & Vaskuti, G. |
................... |
Bko2008 |
|
Webb Soc., Double Star Circ. 16, 2008 |
|
Bko2008b |
C u |
Berko, E. |
2008JDSO....4..144B |
Bko2008b |
|
JDSO 4, 144, 2008 |
|
Bko2009 |
C u |
Berko, E. |
2009JDSO....5...49B |
Bko2009 |
|
JDSO 5, 49, 2009 |
|
Bko2009b |
C u |
Berko, E. |
2009JDSO....5..168B |
Bko2009b |
|
JDSO 5, 168, 2009 |
|
Bko2009c |
C u |
Berko, E. |
................... |
Bko2009c |
|
Webb Soc., Double Star Circ. 17, 2009 |
|
Bko2009d |
C u |
Berko, E. |
2009JDSO....5..189B |
Bko2009d |
|
JDSO 5, 189, 2009 |
|
Bko2010a |
C u |
Berko, E. |
2010JDSO....6...21B |
Bko2010a |
|
JDSO 6, 21, 2010 |
|
Bko2010b |
C u |
Berko, E. |
................... |
Bko2010b |
|
Webb Soc., Double Star Circ. 18, 2010 |
|
Bko2011a |
C u |
Berko, E. |
2011JDSO....7....2B |
Bko2011a |
|
JDSO 7, 2, 2011 |
|
Bko2011b |
C u |
Berko, E. |
................... |
Bko2011b |
|
Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980) |
|
Bko2011c |
C u |
Berko, E. |
................... |
Bko2011c |
|
Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042) |
|
Bko2012 |
C u |
Berko, E. |
................... |
Bko2012 |
|
Webb Soc., Double Star Circ. 20, 2012 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20421+4532 |
BKO 157 |
|
2003 |
2 |
240 |
8.8 |
12.40 |
13.70 |
|
D |
204205.25+453215.7 |
20421+4532 |
BKO 157 |
|
2015 |
4 |
240 |
8.9 |
14.10 |
14.80 |
|
|
204205.19+453215.6 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20421+4532 BKO 157 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20421+4532 BKO 157 : MEASURES
No records found.
WDS 20421+4532 : 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 20421+4532 : ALADIN DSS IMAGE @ 20h 42m 05.19s +45° 32' 15.6"
WDS 20421+4532 BKO 157 : 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 |
|
20421+4532 |
BKO 157 |
|
240 |
8.9 |
|
Show |
|
20420+4532 |
BRT2271 |
|
269 |
4.5 |
1 |
Show |
|
20427+4521 |
ES 1270 |
|
289 |
5.9 |
14 |
Show |
|
20423+4549 |
BKO 158 |
EH |
340 |
51.6 |
17 |
Show |
|
20423+4549 |
BKO 158 |
EF |
281 |
24.9 |
17 |
Show |
|
20423+4549 |
BKO 158 |
EG |
221 |
28.7 |
17 |
Show |
|
20423+4549 |
BKO 158 |
EI |
236 |
39.6 |
17 |
Show |
Deneb |
20414+4517 |
H N 73 |
|
105 |
75.6 |
17 |
Show |
|
20423+4549 |
STT 411 |
AB |
349 |
31.8 |
18 |
Show |
|
20423+4549 |
WAL 132 |
AC |
357 |
71.2 |
18 |
Show |
|
20423+4549 |
BKO 158 |
AF |
143 |
41.0 |
18 |
Show |
|
20423+4549 |
WAL 132 |
BC |
4 |
40.1 |
18 |
Show |
|
20423+4549 |
CTT 15 |
BD |
178 |
86.6 |
18 |
Show |
|
20423+4549 |
CTT 15 |
BE |
141 |
87.9 |
18 |
Show |
|
20440+4521 |
KPP3361 |
|
134 |
2.2 |
23 |
Show |
|
20436+4514 |
CBL 85 |
|
166 |
17.7 |
25 |
Show |
|
20394+4530 |
TDS1087 |
|
141 |
1.0 |
29 |
Show |
|
20434+4501 |
ES 668 |
AB |
68 |
5.2 |
35 |
Show |
|
20434+4501 |
ES 668 |
AC |
269 |
23.4 |
35 |
Show |
|
20434+4501 |
FYM 322 |
AD |
200 |
18.7 |
35 |
Show |
|
20432+4458 |
BKO 159 |
|
37 |
13.2 |
37 |
Show |
|
20433+4456 |
ES 2699 |
|
296 |
40.1 |
39 |
Show |
|
20438+4610 |
TDT2503 |
|
68 |
0.5 |
43 |
Show |
|
20464+4551 |
CVR 230 |
|
7 |
112.9 |
49 |
Show |
|
20437+4619 |
HO 140 |
|
313 |
8.0 |
50 |
Show |
|
20427+4627 |
TDS1092 |
|
315 |
0.9 |
55 |
Show |
|
20376+4504 |
HJ 1555 |
|
354 |
13.8 |
56 |
Show |
|
20473+4535 |
HO 280 |
|
75 |
11.7 |
56 |
Show |
|
20461+4452 |
ES 30 |
|
57 |
17.1 |
59 |
Show |
|
20459+4448 |
ES 2701 |
|
81 |
50.9 |
61 |
Show |
|
20456+4621 |
HDS2955 |
|
289 |
0.4 |
61 |
Show |
|
20432+4431 |
COU2422 |
|
236 |
1.3 |
63 |
Show |
|
20386+4438 |
ES 667 |
|
185 |
9.8 |
66 |
Show |
|
20485+4519 |
LDS2456 |
|
236 |
18.0 |
66 |
Show |
|
20431+4637 |
BRT2273 |
|
308 |
4.7 |
66 |
Show |
|
20388+4629 |
BRT2268 |
|
320 |
3.4 |
67 |
Show |
|
20416+4424 |
COU2541 |
|
25 |
0.4 |
68 |
Show |
|
20360+4555 |
STJ 103 |
|
338 |
1.3 |
69 |
Show |
|
20489+4537 |
HDS2965 |
|
282 |
0.1 |
72 |
Show |
|
20490+4525 |
SMA 120 |
|
313 |
4.3 |
74 |
Show |
|
20449+4425 |
ES 1332 |
|
325 |
7.0 |
74 |
Show |
|
20492+4525 |
COU2646 |
|
266 |
0.4 |
76 |
Show |
|
20466+4632 |
KUI 101 |
|
112 |
0.3 |
77 |
Show |
|
20348+4531 |
ES 805 |
|
152 |
7.9 |
77 |
Show |
|
20489+4607 |
HJ 1581 |
|
170 |
22.4 |
80 |
Show |
|
20437+4651 |
TDS1096 |
|
147 |
0.9 |
81 |
Show |
|
20343+4520 |
ES 804 |
BC |
128 |
2.2 |
83 |
Show |
|
20343+4520 |
ES 804 |
AB |
117 |
30.8 |
83 |
Show |
|
20500+4521 |
ES 2702 |
|
348 |
8.6 |
85 |
Show |
|
20494+4458 |
GRV 384 |
|
222 |
22.1 |
85 |
Show |
|
20472+4427 |
COU2424 |
|
255 |
0.5 |
85 |
|
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WDS 20421+4532 : COMPONENTS
20421+4532 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204205.19+453215.6 |
|
Mag |
14.1 |
|
PmRA |
18.00 |
|
PmDE |
8.0 |
|
20421+4532 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
204204.68+453211.2 |
|
Mag |
14.8 |
|
PmRA |
22.00 |
|
PmDE |
8.0 |
|
Calc delta mag |
0.7 |
|
Calc coord |
yes |
|