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Doubles in session


Current system
21345+4725
ABH 146 AK


Nearby doubles
5' : 21342+4721
BKO 160AB

7' : 21350+4723
ES 1173

9' : 21341+4718
HDS3072

32' : 21346+4654
TDT3038

32' : 21372+4739
BEM 39AB

42' : 21304+4717
ES 516

42' : 21311+4701
CLZ 80

43' : 21306+4742
ES 824

43' : 21342+4808
ES 519

45' : 21303+4740
COU2440

46' : 21383+4702
TDT3071

46' : 21308+4752
A 769

47' : 21338+4811
SWN 6

47' : 21386+4747
COU2311

48' : 21346+4813
RAO 462AB

49' : 21297+4732
A 767

52' : 21332+4816
POP 55

53' : 21361+4814
ES 1174

53' : 21352+4634
LDS4898

53' : 21346+4817
SWN 8

54' : 21291+4727
TDS1130

55' : 21316+4811
SWN 5

55' : 21396+4712
HJ 1676

56' : 21343+4630
ES 518

58' : 21323+4821
DJU 7

60' : 21315+4817
A 771AB



Selections
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Binocular doubles
Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21345+4725 ABH 146 AK

 
 
21h 34m 25.29s +47° 25' 12.7" P.A. 246.00 sep 112.4 mag 9.94,14.60 Sp B8III
 
 
Coord 2000 21345+4725 Discov num ABH 146 Comp AK Coord arcsec 2000 21 34 25.29 +47 25 12.7
Date first 1987 Date last 2015 Obs 8
Pa first 247 Pa last 246.2 P.A. Now (θ) 246.2°
Sep first 112.8 Sep last 112.408 Sep. Now (ρ) 112.408"
Mag pri 9.94 Mag sec 14.60 delta mag (ΔM) 4.66 Spectral class B8III (blue-white)
Pri motion ra -001 Sec motion ra -004
Pri motion dec +001 Sec motion dec -009
Notes U (Proper motion indicates non-physical)
rPM=1.06
This double is not physical.
 
 
21345+4725 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 34 25 +47 25 13 ES 1172 AB 2018 13 104 6.4 9.94 10.40 0.46
Show 21 34 25 +47 25 13 ES 1172 AC 2015 13 205 16.3 9.94 10.70 0.76
Show 21 34 25 +47 25 13 ABH 146 AD 2015 9 170 30.6 9.94 14.30 4.36
Show 21 34 25 +47 25 13 ABH 146 AE 2015 9 33 32.6 9.94 14.27 4.33
Show 21 34 25 +47 25 13 ABH 146 AF 2015 9 58 49.7 9.94 13.60 3.66
Show 21 34 25 +47 25 13 ABH 146 AG 2015 5 104 48.6 9.94 14.70 4.76
Show 21 34 25 +47 25 13 ABH 146 AH 2015 7 247 43.1 9.94 15.64 5.70
Show 21 34 25 +47 25 13 ABH 146 AI 2015 8 92 119.9 9.94 12.79 2.85
Show 21 34 25 +47 25 13 ABH 146 AJ 2015 8 250 107.2 9.94 12.00 2.06
Show 21 34 25 +47 25 13 ABH 146 AK 2015 8 246 112.4 9.94 14.60 4.66 <===
Show 21 34 25 +47 25 13 ABH 146 AL 2015 8 232 102.7 9.94 14.33 4.39
12-fold system
12 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1978254381710303488
 
 
WDS 21345+4725 ABH 146 AK : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
ABH Abt, H.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21345+4725 ABH 146 AK 2003 3 246 112.6 9.94 14.60 B8III D 213425.29+472512.7
21345+4725 ABH 146 AK 2015 5 246 112.4 9.94 14.60 B8III U 213425.29+472512.7

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21345+4725 ABH 146 AK : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21345+4725 ABH 146 AK : MEASURES
 
 
No records found.

 
 
WDS 21345+4725 : VIRTUAL EYEPIECE
 
 

21345+4725 ES 1172A mag 9.94 Sp B8III 21345+4725 ES 1172B sep 6.4 P.A. 103.50 mag 10.4 21345+4725 ES 1172C sep 16.3 P.A. 205.00 mag 10.7 21345+4725 ABH 146D sep 30.6 P.A. 170.30 mag 14.3 21345+4725 ABH 146E sep 32.6 P.A. 32.80 mag 14.27 21345+4725 ABH 146F sep 49.7 P.A. 58.30 mag 13.6 21345+4725 ABH 146G sep 48.6 P.A. 103.80 mag 14.7 21345+4725 ABH 146H sep 43.1 P.A. 246.70 mag 15.64 21345+4725 ABH 146I sep 119.9 P.A. 92.20 mag 12.79 21345+4725 ABH 146J sep 107.2 P.A. 249.90 mag 12 21345+4725 ABH 146K sep 112.4 P.A. 246.20 mag 14.6 21345+4725 ABH 146L sep 102.7 P.A. 231.70 mag 14.33 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21345+4725 : ALADIN DSS IMAGE @ 21h 34m 25.29s +47° 25' 12.7"
 
 
 
 
WDS 21345+4725 ABH 146 AK : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21345+4725 ABH 146AK distance=0' 21342+4721 BKO 160AB distance=5' 21342+4721 BKO 160AC distance=5' 21350+4723 ES 1173 distance=7' 21341+4718 HDS3072 distance=9' 21346+4654 TDT3038 distance=32' 21372+4739 BEM 39BC distance=32' 21372+4739 BEM 39AB distance=32' 21372+4739 BEM 39AD distance=32' 21372+4739 BEM 39AE distance=32' 21304+4717 ES 516 distance=42' 21311+4701 CLZ 80 distance=42' 21306+4742 ES 824 distance=43' 21342+4808 ES 519 distance=43' 21303+4740 COU2440 distance=45' 21383+4702 TDT3071 distance=46' 21308+4752 A 769 distance=46' 21338+4811 SWN 6 distance=47' 21386+4747 COU2311 distance=47' 21346+4813 RAO 462AB distance=48' 21346+4813 GRV1284AC distance=48' 21297+4732 A 767 distance=49' 21332+4816 POP 55 distance=52' 21361+4814 ES 1174 distance=53' 21352+4634 LDS4898 distance=53' 21346+4817 SWN 8 distance=53' 21291+4727 TDS1130 distance=54' 21316+4811 SWN 5 distance=55' 21396+4712 HJ 1676 distance=55' 21343+4630 ES 518 distance=56' 21323+4821 DJU 7 distance=58' 21315+4817 A 771AB distance=60' 21366+4824 TDT3057 distance=63' 21282+4713 ES 1171AB distance=64' 21282+4713 ES 1171AC distance=64' 21314+4821 COU2441 distance=64' 21327+4829 HJ 1657AB distance=67' 21339+4833 YR 3 distance=69' 21412+4733 GRF 18 distance=69' 21321+4828 COU2442 distance=69' 21314+4829 ARN 78AB distance=70' 21278+4748 ES 680 distance=71' 21288+4809 HJ 1651 distance=72' 21308+4827 A 770AB distance=73' 21308+4827 A 770AB,C distance=73' 21308+4827 A 770AB,D distance=73' 21308+4827 A 770DE distance=74' 21380+4829 ES 102 distance=74' 21353+4612 TOR 28 distance=76' 21305+4620 A 768 distance=77' 21339+4842 SWN 7 distance=78' grafico limitrofi
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 21345+4725 ES 1172 AB 104 6.4 0
Show 21345+4725 ES 1172 AC 205 16.3 0
Show 21345+4725 ABH 146 AD 170 30.6 0
Show 21345+4725 ABH 146 AE 33 32.6 0
Show 21345+4725 ABH 146 AF 58 49.7 0
Show 21345+4725 ABH 146 AG 104 48.6 0
Show 21345+4725 ABH 146 AH 247 43.1 0
Show 21345+4725 ABH 146 AI 92 119.9 0
Show 21345+4725 ABH 146 AJ 250 107.2 0
Show 21345+4725 ABH 146 AK 246 112.4 0
Show 21345+4725 ABH 146 AL 232 102.7 0
Show 21342+4721 BKO 160 AB 195 9.1 5
Show 21342+4721 BKO 160 AC 12 7.5 5
Show 21350+4723 ES 1173 95 3.8 7
Show 21341+4718 HDS3072 49 0.3 9
Show 21346+4654 TDT3038 135 0.6 32
Show 21372+4739 BEM 39 BC 124 6.5 32
Show 21372+4739 BEM 39 AB 329 15.7 32
Show 21372+4739 BEM 39 AD 7 25.9 32
Show 21372+4739 BEM 39 AE 124 25.1 32
Show 21304+4717 ES 516 147 3.4 42
Show 21311+4701 CLZ 80 346 9.3 42
Show 21306+4742 ES 824 353 6.0 43
Show 21342+4808 ES 519 318 8.2 43
Show 21303+4740 COU2440 179 0.5 45
Show 21383+4702 TDT3071 99 2.6 46
Show 21308+4752 A 769 296 0.7 46
Show 21338+4811 SWN 6 272 6.2 47
Show 21386+4747 COU2311 241 1.0 47
Show 21346+4813 RAO 462 AB 82 0.8 48
Show 21346+4813 GRV1284 AC 35 12.3 48
Show 21297+4732 A 767 169 1.3 49
Show 21332+4816 POP 55 201 4.9 52
Show 21361+4814 ES 1174 254 2.2 53
Show 21352+4634 LDS4898 71 3.9 53
Show 21346+4817 SWN 8 119 7.8 53
Show 21291+4727 TDS1130 176 1.3 54
Show 21316+4811 SWN 5 30 5.1 55
Show 21396+4712 HJ 1676 136 29.6 55
Show 21343+4630 ES 518 14 4.6 56
Show 21323+4821 DJU 7 98 3.1 58
Show 21315+4817 A 771 AB 50 0.0 60
Show 21366+4824 TDT3057 232 0.5 63
Show 21282+4713 ES 1171 AB 197 3.8 64
Show 21282+4713 ES 1171 AC 232 21.5 64
Show 21314+4821 COU2441 304 0.2 64
Show 21327+4829 HJ 1657 AB 16 23.1 67
Show 21339+4833 YR 3 214 0.3 69
Show 21412+4733 GRF 18 203 146.6 69
Show 21321+4828 COU2442 266 0.5 69
Show 21314+4829 ARN 78 AB 101 50.0 70

 
 
WDS 21345+4725 : COMPONENTS
 
 
  A B C D E F G H I J K
B pa=103.5°
sep=6.42"
 
C pa=205.0°
sep=16.26"
pa=224.7°
sep=18.64"
 
D pa=170.3°
sep=30.58"
pa=182.2°
sep=28.66"
pa=142.0°
sep=19.54"
 
E pa=32.8°
sep=32.56"
pa=21.5°
sep=31.04"
pa=30.2°
sep=48.72"
pa=12.3°
sep=58.85"
 
F pa=58.3°
sep=49.68"
pa=52.5°
sep=45.38"
pa=50.3°
sep=63.90"
pa=33.4°
sep=67.39"
pa=92.9°
sep=24.66"
 
G pa=103.8°
sep=48.60"
pa=103.8°
sep=42.18"
pa=86.7°
sep=54.17"
pa=66.2°
sep=45.96"
pa=142.8°
sep=48.91"
pa=172.6°
sep=38.02"
 
H pa=246.7°
sep=43.10"
pa=251.3°
sep=48.39"
pa=266.0°
sep=32.79"
pa=286.3°
sep=46.62"
pa=232.2°
sep=72.44"
pa=242.2°
sep=92.53"
pa=266.4°
sep=86.96"
 
I pa=92.2°
sep=119.92"
pa=91.6°
sep=113.63"
pa=85.4°
sep=127.12"
pa=77.4°
sep=117.50"
pa=107.4°
sep=107.07"
pa=111.6°
sep=83.42"
pa=84.5°
sep=72.97"
pa=85.5°
sep=159.91"
 
J pa=249.9°
sep=107.24"
pa=251.7°
sep=112.65"
pa=256.7°
sep=96.41"
pa=266.4°
sep=106.09"
pa=241.5°
sep=134.65"
pa=246.2°
sep=156.22"
pa=260.3°
sep=150.06"
pa=252.0°
sep=64.26"
pa=261.7°
sep=222.90"
 
K pa=246.2°
sep=112.42"
pa=248.1°
sep=117.59"
pa=252.3°
sep=100.76"
pa=262.0°
sep=109.09"
pa=238.9°
sep=140.74"
pa=243.8°
sep=161.77"
pa=257.3°
sep=153.82"
pa=245.9°
sep=69.32"
pa=259.6°
sep=226.41"
pa=194.2°
sep=8.78"
 
L pa=231.7°
sep=102.67"
pa=234.4°
sep=106.76"
pa=236.4°
sep=88.44"
pa=248.7°
sep=92.04"
pa=227.2°
sep=133.89"
pa=233.8°
sep=152.12"
pa=247.8°
sep=137.97"
pa=221.3°
sep=62.05"
pa=253.6°
sep=208.94"
pa=143.0°
sep=33.51"
pa=129.3°
sep=28.82"
 
 
21345+4725 A
 
 
Coord arcsec 2000 213425.29+472512.7 Mag 9.94 Spectral class B8III (blue-white) PmRA -1.00
PmDE 1.0
 
 
21345+4725 B
 
 
Coord arcsec 2000 213425.91+472511.2 Mag 10.4 Delta magnitude 0.46 Coordinate calculated yes
 
 
21345+4725 C
 
 
Coord arcsec 2000 213424.61+472458.0 Mag 10.7 PmRA 8.00 PmDE -2.0
Delta magnitude 0.76 Coordinate calculated yes
 
 
21345+4725 D
 
 
Coord arcsec 2000 213425.80+472442.6 Mag 14.3 PmRA -3.00 PmDE -3.0
Delta magnitude 4.36 Coordinate calculated yes
 
 
21345+4725 E
 
 
Coord arcsec 2000 213427.03+472540.1 Mag 14.27 PmRA 7.00 PmDE 3.0
Delta magnitude 4.33 Coordinate calculated yes
 
 
21345+4725 F
 
 
Coord arcsec 2000 213429.45+472538.8 Mag 13.6 PmRA -1.00 PmDE -4.0
Delta magnitude 3.66 Coordinate calculated yes
 
 
21345+4725 G
 
 
Coord arcsec 2000 213429.94+472501.1 Mag 14.7 PmRA 30.00 PmDE 27.0
Delta magnitude 4.76 Coordinate calculated yes
 
 
21345+4725 H
 
 
Coord arcsec 2000 213421.39+472455.7 Mag 15.64 PmRA -8.00 PmDE -1.0
Delta magnitude 5.7 Coordinate calculated yes
 
 
21345+4725 I
 
 
Coord arcsec 2000 213437.10+472508.1 Mag 12.79 PmRA -8.00 PmDE -3.0
Delta magnitude 2.85 Coordinate calculated yes
 
 
21345+4725 J
 
 
Coord arcsec 2000 213415.37+472435.8 Mag 12 PmRA -1.00 PmDE 0.0
Delta magnitude 2.06 Coordinate calculated yes
 
 
21345+4725 K
 
 
Coord arcsec 2000 213415.16+472427.3 Mag 14.6 PmRA -4.00 PmDE -9.0
Delta magnitude 4.66 Coordinate calculated yes
 
 
21345+4725 L
 
 
Coord arcsec 2000 213417.35+472409.1 Mag 14.33 PmRA -12.00 PmDE -4.0
Delta magnitude 4.39 Coordinate calculated yes