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Doubles in session


Current system
21552-3705
ALD 78


Nearby doubles
17' : 21559-3719
UC 4600

24' : 21560-3644
UC 4602

56' : 21549-3610
LDS 763AB

59' : 21542-3802
B 543

61' : 21517-3747
LDS6364

68' : 21594-3621
JSP 828

68' : 21520-3801
TDT3203

79' : 21498-3750
B 539

80' : 21507-3607
BRT1825

80' : 21554-3545
UC 4598

83' : 21592-3556
LDS 768AB

84' : 21543-3828
I 1448AB

86' : 21495-3749
LDS5927

90' : 21483-3742
B 538

94' : 21483-3749
LDS 756

105' : 21571-3847
RST2189

106' : 21569-3522
B 1394

110' : 21521-3522
UC 4584

110' : 21501-3837
TOK 36

113' : 21492-3538
B 1013

115' : 21459-3640
JSP 827AB

116' : 21563-3510
UC 4606

118' : 22049-3725
UC 4644

122' : 21586-3511
SEE 462

123' : 21467-3557
UC 4560

124' : 21450-3724
KPP3093



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21552-3705 ALD 78

 
 
21h 55m 10.26s -37° 04' 59.1" P.A. 42.00 sep 3.1 mag 10.79,11.80
 
 
Coord 2000 21552-3705 Discov num ALD  78 Comp Coord arcsec 2000 21 55 10.26 -37 04 59.1
Date first 1911 Date last 2016 Obs 12
Pa first 48 Pa last 42 P.A. Now (θ) 42°
Sep first 2.8 Sep last 3.063 Sep. Now (ρ) 3.063"
Mag pri 10.79 Mag sec 11.80 delta mag (ΔM) 1.01 Spectral class
Pri motion ra 041 Sec motion ra +094
Pri motion dec -076 Sec motion dec -026
Notes
rPM=0.747
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Grus Tycho2 7494-00006-1 Gaia DR2 6586846477477792256
 
 
WDS 21552-3705 ALD 78 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ald1924 Po - Alden, H.L. 1924AJ.....35..167A
Ald1924 AJ 35, 167, 1924
Ald1925 orb - Alden, H.L. 1925AJ.....36...81A
Ald1925 AJ 36, 81, 1925
Ald1928 Po j Alden, H.L. 1928AJ.....39...20A
Ald1928 AJ 39, 20, 1928
Ald1929 Po - Alden, H.L. 1929AJ.....39..154A
Ald1929 AJ 39, 154, 1929
Ald1931 Po - Alden, H.L. 1931AJ.....41...52A
Ald1931 AJ 41, 52, 1931
Ald1932A - Alden, H.L. 1932QB821.A43......
Ald1932A cited in ADS (Aitken Double Star Cat.), 1932
Ald1935 - Alden, H.L. 1935AJ.....44..191A
Ald1935 AJ 44, 191, 1935
Ald1936a Po - Alden, H.L. 1936AJ.....45...73A
Ald1936a AJ 45, 73, 1936
Ald1936b orb - Alden, H.L. 1936AJ.....45...82A
Ald1936b AJ 45, 82, 1936
Ald1936c orb - Alden, H.L. 1936AJ.....45..113A
Ald1936c AJ 45, 113, 1936
Ald1938a orb - Alden, H.L. 1938AJ.....46..189A
Ald1938a AJ 46, 189, 1938
Ald1938b orb - Alden, H.L. 1938AJ.....47....9A
Ald1938b AJ 47, 9, 1938
Ald1939a orb - Alden, H.L. 1939AJ.....47..185A
Ald1939a AJ 47, 185, 1939
Ald1939b orb - Alden, H.L. 1939AJ.....48...81A
Ald1939b AJ 48, 81, 1939
Ald1942 orb - Alden, H.L. 1942AJ.....50...73A
Ald1942 AJ 50, 73, 1942
Ald1943 Po - Alden, H.L. 1943AJ.....50..139A
Ald1943 AJ 50, 139, 1943
Ald1945 Po - Alden, H.L. 1945AJ.....51..195A
Ald1945 AJ 51, 195, 1945
Ald1946 orb - Alden, H.L. 1946AJ.....52...73A
Ald1946 AJ 52, 73, 1946
Ald1951 orb - Alden, H.L. 1951AJ.....56...34A
Ald1951 AJ 56, 34, 1951
Ald1957 Po - Alden, H.L. 1957AJ.....62Q.276A
Ald1957 AJ 62, 276, 1957
Ald9999 Po - Alden, H.L. ...................
Ald9999 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
21552-3705 ALD 78 1966 7 41 3.3 10.79 11.80 215510.26-370459.1
21552-3705 ALD 78 2000 8 44 3.2 10.79 11.80 215510.26-370459.1
21552-3705 ALD 78 2011 9 41 2.9 10.79 11.80 215510.26-370459.1
21552-3705 ALD 78 2015 10 42 3.1 10.79 11.80 215510.26-370459.1
21552-3705 ALD 78 2016 12 42 3.1 10.79 11.80 215510.26-370459.1

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

 
 
WDS 21552-3705 ALD 78 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21552-3705 ALD 78 : MEASURES
 
 
No records found.

 
 
WDS 21552-3705 : VIRTUAL EYEPIECE
 
 

21552-3705 ALD 78A mag 10.79 21552-3705 ALD 78B sep 2.8 P.A. 35.70 mag 11.8 virtual eyepiece
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Radius:
Components only
 
 
WDS 21552-3705 : ALADIN DSS IMAGE @ 21h 55m 10.26s -37° 04' 59.1"
 
 
 
 
WDS 21552-3705 ALD 78 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21552-3705 ALD 78 distance=0' 21559-3719 UC 4600 distance=17' 21560-3644 UC 4602 distance=24' 21549-3610 LDS 763AB distance=56' 21549-3610 LDS5935BC distance=57' 21542-3802 B 543 distance=59' 21517-3747 LDS6364 distance=61' 21594-3621 JSP 828 distance=68' 21520-3801 TDT3203 distance=68' 21498-3750 B 539 distance=79' 21507-3607 BRT1825 distance=80' 21554-3545 UC 4598 distance=80' 21592-3556 LDS 768AB distance=83' 21543-3828 I 1448AB distance=84' 21543-3828 LDS4922AC distance=84' 21495-3749 LDS5927 distance=86' 21483-3742 B 538 distance=90' 21483-3749 LDS 756 distance=94' 21571-3847 RST2189 distance=105' 21569-3522 B 1394 distance=106' 21521-3522 UC 4584 distance=110' 21501-3837 TOK 36 distance=110' 21492-3538 B 1013 distance=113' 21459-3640 JSP 827AB distance=115' 21459-3640 SKF1253AB,C distance=115' 21563-3510 UC 4606 distance=116' 22049-3725 UC 4644 distance=118' 21586-3511 SEE 462 distance=122' 21467-3557 UC 4560 distance=123' 21450-3724 KPP3093 distance=124' 21458-3612 DEA 10 distance=125' 21481-3839 HDS3105 distance=126' 21449-3742 TDT3133 distance=129' 22060-3717 CTI 286AB distance=131' 21446-3632 SKF2808 distance=131' 21461-3820 RST2186 distance=132' 22058-3742 HJ 5315 distance=132' 21434-3708 WIS 351 distance=141' 21465-3843 B 536 distance=142' 22047-3839 B 1395AB distance=147' 22047-3839 B 1395AB,C distance=147' 21533-3439 UC 4589 distance=149' 21447-3537 SEE 455AB distance=155' 21554-3430 I 673 distance=155' 21419-3710 BVD 154 distance=159' 21425-3756 HJ 5288 distance=160' 21488-3929 CVN 111 distance=163' 22076-3818 VOU 82 distance=165' 22051-3511 SKF2102 distance=166' 21558-3953 WG 279 distance=168' 21599-3944 TDT3283 distance=169' 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 21552-3705 ALD 78 42 3.1
Show 21559-3719 UC 4600 202 31.3 17
Show 21560-3644 UC 4602 45 25.1 24
Show 21549-3610 LDS 763 AB 341 57.6 56
Show 21549-3610 LDS5935 BC 3 49.6 57
Show 21542-3802 B 543 242 2.9 59
Show 21517-3747 LDS6364 121 5.1 61
Show 21594-3621 JSP 828 192 0.5 68
Show 21520-3801 TDT3203 38 0.6 68
Show 21498-3750 B 539 321 1.5 79
Show 21507-3607 BRT1825 143 3.3 80
Show 21554-3545 UC 4598 12 22.7 80
Show 21592-3556 LDS 768 AB 289 96.0 83
Show 21543-3828 I 1448 AB 146 3.1 84
Show 21543-3828 LDS4922 AC 59 46.3 84
Show 21495-3749 LDS5927 107 4.4 86
Show 21483-3742 B 538 211 1.8 90
Show 21483-3749 LDS 756 34 22.3 94
Show 21571-3847 RST2189 201 0.8 105
Show 21569-3522 B 1394 317 0.6 106
Show 21521-3522 UC 4584 40 18.1 110
Show 21501-3837 TOK 36 144 2.2 110
Show 21492-3538 B 1013 329 0.0 113
Show 21459-3640 JSP 827 AB 108 0.5 115
Show 21459-3640 SKF1253 AB,C 70 43.5 115
Show 21563-3510 UC 4606 76 41.1 116
Show 22049-3725 UC 4644 49 57.7 118
Show 21586-3511 SEE 462 193 10.9 122
Show 21467-3557 UC 4560 332 27.3 123
Show 21450-3724 KPP3093 187 8.4 124
Show 21458-3612 DEA 10 34 108.9 125
Show 21481-3839 HDS3105 163 0.2 126
Show 21449-3742 TDT3133 110 0.5 129
Show 22060-3717 CTI 286 AB 243 5.8 131
Show 21446-3632 SKF2808 111 2.9 131
Show 21461-3820 RST2186 250 3.7 132
Show 22058-3742 HJ 5315 150 23.1 132
Show 21434-3708 WIS 351 70 359.5 141
Show 21465-3843 B 536 267 1.0 142
Show 22047-3839 B 1395 AB 260 0.5 147
Show 22047-3839 B 1395 AB,C 85 12.5 147
Show 21533-3439 UC 4589 235 15.0 149
Show 21447-3537 SEE 455 AB 84 4.5 155
Show 21554-3430 I 673 271 1.0 155
Show 21419-3710 BVD 154 100 31.9 159
Show 21425-3756 HJ 5288 60 19.7 160
Show 21488-3929 CVN 111 277 0.4 163
Show 22076-3818 VOU 82 150 2.1 165
Show 22051-3511 SKF2102 336 11.9 166
Show 21558-3953 WG 279 27 4.1 168
Show 21599-3944 TDT3283 246 0.4 169

 
 
WDS 21552-3705 : COMPONENTS
 
 
  A
B pa=35.7°
sep=2.80"
 
 
21552-3705 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215510.26-370459.1 Mag 10.79 PmRA 41.00
PmDE -76.0 Tycho2 7494-00006-1
Tycho2
Tycho2 7494-00006-1 Pflag RAmdeg 328.79280011 DEmdeg -37.08308429
PmRA 41.3 PmDE -76.4 E RAmdeg 32 E DEmdeg 39
E pmRA 2.3 E pmDE 2.3 EpRAm 1989.21 EpDEm 1987.66
Num 3 Q RAmdeg 0.5 Q DEmdeg 0.0 Q pmRA 0.5
Q pmDE 0.0 BTmag 11.102 E BTmag 0.056 VTmag 10.792
E VTmag 0.065 Prox 422 TYC T HIP
CCDM RAdeg 328.79268139 DEdeg -37.08290389 EpRA 1990 1.74
EpDE 1990 1.49 E RAdeg 32.6 E DEdeg 39.6 Posflg
Corr -0.2
 
 
21552-3705 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215510.40-370456.8 Mag 11.8 PmRA 94.00
PmDE -26.0 Calc delta mag 1.01 Calc coord yes