21220+4408 HJ 1639
21h 22m 06.47s +44° 06' 56.0" P.A. 102.00 sep 10.7 mag 11.61,11.41
Coord 2000 |
21220+4408 |
|
Discov num |
HJ 1639 |
|
Comp |
|
|
Coord arcsec 2000 |
21 22 06.47 +44 06 56.0 |
|
Date first |
1828 |
|
Date last |
2018 |
|
Obs |
9 |
|
Pa first |
105 |
|
Pa last |
101.8 |
|
P.A. Now (θ) |
101.8° |
|
Sep first |
5.0 |
|
Sep last |
10.692 |
|
Sep. Now (ρ) |
10.692" |
|
Mag pri |
11.61 |
|
Mag sec |
11.41 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
-013 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-005 |
|
Notes |
|
|
rPM=1.191
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1970825664521065344 |
|
WDS 21220+4408 HJ 1639 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
HJ_1826 |
Mb - |
Herschel, J.F.W. |
1826MmRAS...2..459H |
HJ_1826 |
|
MemRAS 2, 459, 1826 |
|
HJ_1829a |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3...47H |
HJ_1829a |
|
MemRAS 3, 47, 1829 |
|
HJ_1829b |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3..177H |
HJ_1829b |
|
MemRAS 3, 177, 1829 |
|
HJ_1831 |
Ma - |
Herschel, J.F.W. |
1831MmRAS...4..331H |
HJ_1831 |
+Mb |
MemRAS 4, part 2, 331, 1831 |
|
HJ_1833a |
Ma - |
Herschel, J.F.W. |
1833MmRAS...5...13H |
HJ_1833a |
+Mb |
MemRAS 5, 13, 1833 |
|
HJ_1833b |
orb - |
Herschel, J.F.W. |
1833MmRAS...5..171H |
HJ_1833b |
|
MemRAS 5, 171, 1833 |
|
HJ_1833c |
Mb - |
Herschel, J.F.W. |
1833MmRAS...6....1H |
HJ_1833c |
|
MemRAS 6, 1, 1833 |
|
HJ_1833d |
orb - |
Herschel, J.F.W. |
1833MmRAS...6..149H |
HJ_1833d |
|
MemRAS 6, 149, 1833 |
|
HJ_1835 |
Ma - |
Herschel, J.F.W. |
1835MmRAS...8...37H |
HJ_1835 |
+Mb |
MemRAS 8, 37, 1835 |
|
HJ_1836 |
Mb - |
Herschel, J.F.W. |
1836MmRAS...9..193H |
HJ_1836 |
|
MemRAS 9, 193, 1836 |
|
HJ_1847a |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847a |
+Mb |
Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838) |
|
HJ_1847b |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847b |
|
Cape Results, London, 1847 |
|
HJ_1850 |
orb - |
Herschel, J.F.W. |
1850MmRAS..18...47H |
HJ_1850 |
|
MemRAS 18, 47, 1850 |
|
HJ_1870 |
Mb - |
Herschel, J.F.W. |
1870MmRAS..38....1H |
HJ_1870 |
|
MemRAS 38, 1, 1870 |
|
HJ_1874A |
- |
Herschel, J.F.W. |
1874MNRAS..35...28B |
HJ_1874A |
|
cited by Burnham (MNRAS 35, 28, 1874) |
|
HJ_1875A |
Ma - |
Herschel, J.F.W. |
1875AN.....85..323D |
HJ_1875A |
+Mb |
cited by Doberck, 1875 (see Dob1875b,f,g,h) |
|
HJ_1880A |
Ma - |
Herschel, J.F.W. |
1880Obs.....3..508G |
HJ_1880A |
+Mb |
cited by Gledhill (Obs 3, 508, 1880) |
|
HJ_1880B |
Mb - |
Herschel, J.F.W. |
1880MNRAS..40..497B |
HJ_1880B |
|
cited by Burnham (MNRAS 40, 497, 1880) |
|
HJ_1897A |
Ma j |
Herschel, J.F.W. |
1897MNRAS..57..541S |
HJ_1897A |
|
cited by See (MNRAS 57, 541, 1897) |
|
HJ_1905A |
Ma - |
Herschel, J.F.W. |
1905LicOB...3..147A |
HJ_1905A |
+Mb |
cited by Aitken (Lick Obs. Bull. 3, 147, 1905) |
|
HJ_1906A |
Ma - |
Herschel, J.F.W. |
1906MmRAS..56....1L |
HJ_1906A |
+Mb |
cited by Lewis (MemRAS 56, 1, 1906) |
|
HJ_1906B |
Ma - |
Herschel, J.F.W. |
1906QB821.B972..... |
HJ_1906B |
+Mb |
cited in BDS (Burnham Double Star Cat.), 1906 |
|
HJ_1927A |
Mb - |
Herschel, J.F.W. |
1927sdsc.book...... |
HJ_1927A |
|
cited in SDS (Southern Double Star Catalog), 1927 |
|
HJ_1932A |
Mb - |
Herschel, J.F.W. |
1932QB821.A43...... |
HJ_1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
HJ_9999 |
M j |
Herschel, J.F.W. |
................... |
HJ_9999 |
+Ma |
Unpublished, manuscript or reference not found. |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
21220+4408 |
HJ 1639 |
|
1914 |
1 |
102 |
14.4 |
11.20 |
12.10 |
|
|
|
21220+4408 |
HJ 1639 |
|
2000 |
4 |
102 |
10.7 |
11.20 |
12.10 |
|
|
212206.47+440656.0 |
21220+4408 |
HJ 1639 |
|
2002 |
5 |
102 |
10.7 |
11.20 |
12.10 |
|
|
212206.47+440656.0 |
21220+4408 |
HJ 1639 |
|
2010 |
5 |
95 |
11.5 |
11.61 |
11.41 |
|
|
212206.47+440656.0 |
21220+4408 |
HJ 1639 |
|
2015 |
5 |
102 |
10.7 |
11.61 |
11.41 |
|
|
212206.47+440656.0 |
21220+4408 |
HJ 1639 |
|
2018 |
6 |
103 |
10.7 |
11.61 |
11.41 |
|
|
212206.47+440656.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21220+4408 HJ 1639 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21220+4408 HJ 1639 : MEASURES
No records found.
WDS 21220+4408 : 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 21220+4408 : ALADIN DSS IMAGE @ 21h 22m 06.47s +44° 06' 56.0"
WDS 21220+4408 HJ 1639 : 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 |
|
21220+4408 |
HJ 1639 |
|
102 |
10.7 |
|
Show |
|
21225+4409 |
HJ 1640 |
|
35 |
7.4 |
6 |
Show |
|
21227+4408 |
COU2303 |
|
269 |
1.9 |
7 |
Show |
|
21223+4353 |
TDT2930 |
|
356 |
1.8 |
15 |
Show |
|
21219+4347 |
TDT2924 |
|
221 |
1.0 |
21 |
Show |
|
21237+4420 |
KPP3422 |
|
231 |
17.2 |
22 |
Show |
|
21217+4434 |
GRV 455 |
|
132 |
28.9 |
29 |
Show |
|
21246+4355 |
BRT1149 |
|
136 |
3.2 |
30 |
Show |
|
21189+4351 |
COU2438 |
|
254 |
1.4 |
39 |
Show |
|
21185+4357 |
TRN 32 |
|
81 |
3.8 |
41 |
Show |
|
21212+4449 |
ES 1334 |
AB |
307 |
5.3 |
43 |
Show |
|
21249+4336 |
BRT1150 |
|
60 |
2.9 |
44 |
Show |
|
21202+4325 |
BRT1148 |
|
83 |
4.1 |
47 |
Show |
|
21262+4351 |
TDT2963 |
|
267 |
0.5 |
48 |
Show |
|
21187+4428 |
LDS2507 |
|
182 |
3.0 |
48 |
Show |
|
21264+4349 |
HO 159 |
|
183 |
5.5 |
51 |
Show |
|
21207+4455 |
GRV 451 |
|
184 |
52.1 |
51 |
Show |
|
21176+4350 |
COU2301 |
|
69 |
0.5 |
52 |
Show |
|
21171+4350 |
TDT2882 |
|
334 |
0.6 |
57 |
Show |
|
21192+4320 |
TDT2899 |
|
136 |
0.6 |
57 |
Show |
|
21218+4309 |
STT 438 |
|
357 |
2.2 |
59 |
Show |
|
21166+4357 |
BRT1147 |
|
|
2.6 |
60 |
Show |
|
21200+4308 |
LDS2509 |
|
176 |
1.9 |
62 |
Show |
|
21199+4307 |
COU2439 |
|
266 |
0.8 |
65 |
Show |
|
21214+4301 |
ES 1585 |
AB |
230 |
19.2 |
67 |
Show |
|
21214+4301 |
ES 1585 |
AC |
221 |
26.9 |
67 |
Show |
|
21202+4509 |
LDS2510 |
|
345 |
20.4 |
67 |
Show |
|
21214+4301 |
ES 1585 |
BC |
202 |
8.4 |
67 |
Show |
|
21232+4258 |
COU2304 |
AB |
154 |
0.4 |
71 |
Show |
|
21232+4258 |
GII 32 |
AB,C |
49 |
5.4 |
71 |
Show |
|
21166+4448 |
ES 97 |
|
290 |
7.5 |
73 |
Show |
|
21169+4456 |
A 885 |
|
153 |
3.9 |
75 |
Show |
|
21161+4444 |
MCN 2 |
|
303 |
16.0 |
75 |
Show |
|
21273+4315 |
HJ 1646 |
|
115 |
23.1 |
76 |
Show |
|
21282+4445 |
KPP 7 |
|
269 |
4.0 |
76 |
Show |
|
21207+4251 |
GRV 452 |
|
162 |
59.2 |
77 |
Show |
|
21171+4312 |
A 401 |
|
318 |
0.4 |
78 |
Show |
|
21183+4514 |
TDT2893 |
|
234 |
0.6 |
79 |
Show |
|
21152+4339 |
LDS2501 |
|
274 |
11.3 |
80 |
Show |
|
21195+4253 |
FOX 259 |
AB |
307 |
12.5 |
80 |
Show |
|
21158+4326 |
TDT2867 |
|
305 |
0.6 |
80 |
Show |
|
21178+4302 |
A 616 |
|
316 |
2.7 |
81 |
Show |
|
21205+4528 |
KRV 9 |
|
123 |
21.2 |
83 |
Show |
|
21154+4325 |
LDS2502 |
|
172 |
67.0 |
86 |
Show |
|
21160+4313 |
LDS2503 |
|
131 |
4.0 |
86 |
Show |
|
21265+4254 |
TDT2967 |
|
4 |
1.4 |
88 |
Show |
|
21139+4400 |
COU2299 |
|
33 |
0.4 |
89 |
Show |
|
21291+4455 |
BU 448 |
|
-1 |
2.0 |
90 |
Show |
|
21280+4305 |
HO 160 |
|
182 |
2.0 |
90 |
Show |
|
21145+4329 |
J 610 |
|
26 |
3.3 |
91 |
Show |
|
21278+4515 |
ES 1335 |
|
287 |
8.5 |
92 |
|
|
WDS 21220+4408 : COMPONENTS
21220+4408 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
212206.47+440656.0 |
|
Mag |
11.61 |
|
PmRA |
-13.00 |
|
PmDE |
-1.0 |
|
21220+4408 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
212207.17+440653.8 |
|
Mag |
11.41 |
|
PmRA |
2.00 |
|
PmDE |
-5.0 |
|
Calc delta mag |
0.2 |
|
Calc coord |
yes |
|