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Doubles in session


Current system
21270-2208
ALD 16


Nearby doubles
17' : 21267-2225
SEE 446AB

30' : 21282-2144
EGN 26

48' : 21238-2227
TDT2943

50' : 21250-2250
UC 4466

53' : 21308-2204
OL 76

57' : 21297-2251
LDS4889

62' : 21314-2217
HJ 3030

71' : 21220-2224
HJ 5265

78' : 21261-2325
HJ 5269

87' : 21212-2138
KPP1448

91' : 21308-2055
UC 4481

92' : 21336-2216
ARA1941

94' : 21337-2158
HDS3068

101' : 21342-2215
DON1011

104' : 21264-2025
HLD 166AB

104' : 21324-2058
LDS6354

109' : 21213-2324
B 524

111' : 21282-2358
BRT3102

113' : 21275-2016
BU 683

126' : 21180-2203
RSS 558

137' : 21178-2119
FOX 42

137' : 21180-2115
HJ 3017

138' : 21175-2246
BRT3101

140' : 21194-2038
I 1439

141' : 21218-2409
KPP 492

143' : 21195-2346
SEE 444



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.

21270-2208 ALD 16

 
 
21h 26m 59.94s -22° 08' 26.9" P.A. 300.00 sep 3.5 mag 10.83,12.10 Sp F8
 
 
Coord 2000 21270-2208 Discov num ALD  16 Comp Coord arcsec 2000 21 26 59.94 -22 08 26.9
Date first 1928 Date last 2016 Obs 8
Pa first 302 Pa last 300.3 P.A. Now (θ) 300.3°
Sep first 3.4 Sep last 3.542 Sep. Now (ρ) 3.542"
Mag pri 10.83 Mag sec 12.10 delta mag (ΔM) 1.27 Spectral class F8 (yellow-white)
Pri motion ra +040 Sec motion ra -046
Pri motion dec -022 Sec motion dec +026
Notes
rPM=1.864
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus Tycho2 6372-00575-1 Gaia DR2 6828340874939443072
 
 
WDS 21270-2208 ALD 16 : 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
21270-2208 ALD 16 1998 5 295 3.3 10.83 12.10 F8 D 212659.94-220826.9
21270-2208 ALD 16 1999 6 301 3.5 10.83 12.10 F8 D 212659.94-220826.9
21270-2208 ALD 16 2015 7 300 3.5 10.83 12.10 F8 212659.94-220826.9
21270-2208 ALD 16 2016 8 300 3.5 10.83 12.10 F8 212659.94-220826.9

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

 
 
WDS 21270-2208 ALD 16 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21270-2208 ALD 16 : MEASURES
 
 
No records found.

 
 
WDS 21270-2208 : VIRTUAL EYEPIECE
 
 

21270-2208 ALD 16A mag 10.83 Sp F8 21270-2208 ALD 16B sep 3.4 P.A. 302.20 mag 12.1 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 21270-2208 : ALADIN DSS IMAGE @ 21h 26m 59.94s -22° 08' 26.9"
 
 
 
 
WDS 21270-2208 ALD 16 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21270-2208 ALD 16 distance=1' 21267-2225 SEE 446AB distance=17' 21267-2225 SZM 3AC distance=17' 21282-2144 EGN 26 distance=30' 21238-2227 TDT2943 distance=48' 21250-2250 UC 4466 distance=50' 21308-2204 OL 76 distance=53' 21297-2251 LDS4889 distance=57' 21314-2217 HJ 3030 distance=62' 21220-2224 HJ 5265 distance=71' 21261-2325 HJ 5269 distance=78' 21212-2138 KPP1448 distance=87' 21308-2055 UC 4481 distance=91' 21336-2216 ARA1941 distance=92' 21337-2158 HDS3068 distance=94' 21342-2215 DON1011 distance=101' 21264-2025 HLD 166AB distance=104' 21264-2025 HWE 56AC distance=104' 21324-2058 LDS6354 distance=104' 21213-2324 B 524 distance=109' 21282-2358 BRT3102 distance=111' 21275-2016 BU 683 distance=113' 21180-2203 RSS 558 distance=126' 21178-2119 FOX 42 distance=137' 21180-2115 HJ 3017 distance=137' 21175-2246 BRT3101 distance=138' 21194-2038 I 1439 distance=140' 21218-2409 KPP 492 distance=141' 21195-2346 SEE 444 distance=143' 21226-1957 BHA 45 distance=145' 21304-2426 SEE 448AB distance=145' 21304-2426 I 9028AC distance=145' 21343-2353 BVD 138 distance=146' 21242-1948 HU 1312AB distance=147' 21167-2249 B 522 distance=149' 21187-2348 RSS 559 distance=152' 21159-2240 BRT1567 distance=156' 21275-2446 LDS4886 distance=158' 21291-1932 RST3286 distance=159' 21166-2103 DON1004 distance=160' 21209-1953 SKF 928 distance=161' 21182-2355 HJ 3018 distance=164' 21199-2000 BHA 44 distance=164' 21324-2434 UC 4488 distance=165' 21277-2453 HJ 5271 distance=165' 21148-2218 LDS4873 distance=170' 21244-2455 SPM 40 distance=170' 21215-2442 SEE 441AB distance=172' 21215-2442 SEE 441AC distance=172' 21384-2058 ARA1586 distance=174' 21278-1911 OCC 58 distance=178' 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 21270-2208 ALD 16 300 3.5 1
Show 21267-2225 SEE 446 AB 14 16.3 17
Show 21267-2225 SZM 3 AC 76 85.0 17
Show 21282-2144 EGN 26 205 6.2 30
Show 21238-2227 TDT2943 226 0.4 48
Show 21250-2250 UC 4466 200 56.3 50
Show 21308-2204 OL 76 346 2.4 53
Show 21297-2251 LDS4889 289 1.7 57
Show 21314-2217 HJ 3030 114 9.4 62
Show 21220-2224 HJ 5265 190 32.3 71
Show 21261-2325 HJ 5269 342 8.2 78
Show 21212-2138 KPP1448 333 10.9 87
Show 21308-2055 UC 4481 306 15.7 91
Show 21336-2216 ARA1941 9 12.1 92
Show 21337-2158 HDS3068 80 0.5 94
Show 21342-2215 DON1011 304 0.7 101
Show 21264-2025 HLD 166 AB 68 2.8 104
Show 21264-2025 HWE 56 AC 160 5.1 104
Show 21324-2058 LDS6354 219 56.1 104
Show 21213-2324 B 524 151 1.1 109
Show 21282-2358 BRT3102 36 4.8 111
Show 21275-2016 BU 683 194 2.9 113
Show 21180-2203 RSS 558 227 22.3 126
Show 21178-2119 FOX 42 93 2.0 137
Show 21180-2115 HJ 3017 199 17.4 137
Show 21175-2246 BRT3101 238 3.0 138
Show 21194-2038 I 1439 194 0.2 140
Show 21218-2409 KPP 492 227 3.9 141
Show 21195-2346 SEE 444 260 9.0 143
Show 21226-1957 BHA 45 203 4.3 145
Show 21304-2426 SEE 448 AB 254 1.5 145
Show 21304-2426 I 9028 AC 10 23.7 145
Show 21343-2353 BVD 138 121 25.1 146
Show 21242-1948 HU 1312 AB 86 2.6 147
Show 21167-2249 B 522 289 0.6 149
Show 21187-2348 RSS 559 354 20.7 152
Show 21159-2240 BRT1567 101 3.6 156
Show 21275-2446 LDS4886 240 52.1 158
Show 21291-1932 RST3286 3 1.6 159
Show 21166-2103 DON1004 278 1.3 160
Show 21209-1953 SKF 928 47 14.0 161
Show 21182-2355 HJ 3018 350 14.7 164
Show 21199-2000 BHA 44 129 3.9 164
Show 21324-2434 UC 4488 62 24.1 165
Show 21277-2453 HJ 5271 44 6.5 165
Show 21148-2218 LDS4873 304 134.8 170
Show 21244-2455 SPM 40 107 42.4 170
Show 21215-2442 SEE 441 AB 19 1.8 172
Show 21215-2442 SEE 441 AC 317 102.8 172
Show 21384-2058 ARA1586 43 11.7 174
Show 21278-1911 OCC 58 -1 0.1 178

 
 
WDS 21270-2208 : COMPONENTS
 
 
  A
B pa=302.2°
sep=3.35"
 
 
21270-2208 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212659.94-220826.9 Mag 10.83 Spectral class F8 (yellow-white)
PmRA 40.00 PmDE -22.0 Tycho2 6372-00575-1
Tycho2
Tycho2 6372-00575-1 Pflag RAmdeg 321.74974699 DEmdeg -22.14080933
PmRA 31.3 PmDE -26.2 E RAmdeg 130 E DEmdeg 144
E pmRA 3.8 E pmDE 4.1 EpRAm 1961.83 EpDEm 1958.19
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.0 Q pmRA 0.1
Q pmDE 0.0 BTmag 11.500 E BTmag 0.072 VTmag 10.834
E VTmag 0.064 Prox 999 TYC T HIP
CCDM RAdeg 321.74966806 DEdeg -22.14074750 EpRA 1990 1.59
EpDE 1990 1.51 E RAdeg 172.1 E DEdeg 198.5 Posflg
Corr -0.3
CCDM
Ccdm 21270-2208 RComp Comp A Note1
Note2 Discov num DRAs -0.03 DDEs -23.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.5 Sp F8 PmNote *
PmRA 48 PmDE 24 Dm number -22 5690 Cat1 BD
Name2 190344 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 21213S2234A
HIC
 
 
21270-2208 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212659.74-220825.1 Mag 12.1 PmRA -46.00
PmDE 26.0 Calc delta mag 1.27 Calc coord yes
CCDM
Ccdm 21270-2208 RComp Comp B Note1
Note2 Discov num ALD 16 DRAs DDEs
R dRAs Year 1928 Theta 302 Rho 3.4
Obs 3 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21213S2234B
HIC