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Doubles in session


Current system
20071-4256
DON 979


Nearby doubles
20' : 20063-4313
I 662

43' : 20033-4255
I 1490

49' : 20048-4215
B 984

56' : 20076-4200
RSS 541

58' : 20046-4206
UC 4076

60' : 20058-4353
TDT1970

80' : 20061-4138
CBL 177

84' : 20148-4258
CPO 616

92' : 19592-4324
SKF1161

95' : 20151-4332
KPP1654

95' : 20009-4402
UC 4063

105' : 20125-4130
RST2136

106' : 20052-4440
KPP 864

107' : 20014-4422
HJ 5161

108' : 20149-4403
SKF1164

109' : 20055-4109
UC 4081

114' : 20092-4105
GRV1264

114' : 19587-4151
TDT1895

118' : 20090-4452
B 986

125' : 20045-4457
HDS2862

129' : 20056-4048
UC 4083

137' : 19554-4344
DON 972

141' : 19546-4322
UC 4051

143' : 20055-4034
UC 4080

145' : 20140-4053
SKF1163

146' : 20068-4031
WG 250



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20071-4256 DON 979

 
 
20h 07m 08.80s -42° 55' 55.7" P.A. 258.00 sep 0.9 mag 11.31,11.41
 
 
Coord 2000 20071-4256 Discov num DON 979 Comp Coord arcsec 2000 20 07 08.80 -42 55 55.7
Date first 1932 Date last 1991 Obs 4
Pa first 262 Pa last 258.3 P.A. Now (θ) 258.3°
Sep first 0.8 Sep last 0.891 Sep. Now (ρ) 0.891"
Mag pri 11.31 Mag sec 11.41 delta mag (ΔM) 0.1 Spectral class
Pri motion ra +022 Sec motion ra +022
Pri motion dec -019 Sec motion dec -019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 7955-02731-1
 
 
WDS 20071-4256 DON 979 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20071-4256 DON 979 1991 4 258 0.9 11.31 11.41 200708.80-425555.7

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

 
 
WDS 20071-4256 DON 979 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20071-4256 DON 979 : MEASURES
 
 
No records found.

 
 
WDS 20071-4256 : VIRTUAL EYEPIECE
 
 

20071-4256 DON 979A mag 11.31 20071-4256 DON 979B sep 0.7 P.A. 254.20 mag 11.41 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20071-4256 : ALADIN DSS IMAGE @ 20h 07m 08.80s -42° 55' 55.7"
 
 
 
 
WDS 20071-4256 DON 979 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20071-4256 DON 979 distance=0' 20063-4313 I 662 distance=20' 20033-4255 I 1490 distance=43' 20048-4215 B 984 distance=49' 20076-4200 RSS 541 distance=56' 20046-4206 UC 4076 distance=58' 20058-4353 TDT1970 distance=60' 20061-4138 CBL 177 distance=80' 20148-4258 CPO 616 distance=84' 19592-4324 SKF1161 distance=92' 20151-4332 KPP1654 distance=95' 20009-4402 UC 4063 distance=95' 20125-4130 RST2136 distance=105' 20052-4440 KPP 864 distance=106' 20014-4422 HJ 5161 distance=107' 20149-4403 SKF1164 distance=108' 20055-4109 UC 4081 distance=109' 20092-4105 GRV1264 distance=114' 19587-4151 TDT1895 distance=114' 20090-4452 B 986 distance=118' 20045-4457 HDS2862 distance=125' 20056-4048 UC 4083 distance=129' 19554-4344 DON 972 distance=137' 19546-4322 UC 4051 distance=141' 20055-4034 UC 4080 distance=143' 20140-4053 SKF1163 distance=145' 20068-4031 WG 250 distance=146' 20097-4522 RSS 35AB distance=149' 20110-4519 BRT1105 distance=150' 20097-4522 SKF1162BC distance=150' 20071-4533 UC 4089 distance=158' 19574-4100 I 1408 distance=160' 19597-4030 HJ 5159 distance=168' 20039-4543 DAM 629 distance=171' 19516-4323 SKF1158 distance=173' 19587-4029 RST2125 distance=175' 20041-4547 CPO 87 distance=176' 20135-4539 UC 4123 distance=177' 19580-4031 SKF1095 distance=178' 20225-4203 HJ 5190AB distance=178' 20225-4203 HJ 5190AC distance=178' 19572-4035 RST2124 distance=180' 20235-4319 TDT2231 distance=181' 20079-3952 UC 4093 distance=185' 20023-4554 I 660 distance=186' 20079-3951 CRU9011AB distance=186' 20079-3951 CRU9011AC distance=186' 20199-4503 NSN 480 distance=188' 20239-4225 BU 763AB distance=188' 20239-4225 I 1626AC distance=188' 20239-4225 SEE 511AD distance=188' 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 20071-4256 DON 979 258 0.9
Show 20063-4313 I 662 290 1.9 20
Show 20033-4255 I 1490 152 0.9 43
Show 20048-4215 B 984 32 2.4 49
Show 20076-4200 RSS 541 318 10.0 56
Show 20046-4206 UC 4076 4 40.2 58
Show 20058-4353 TDT1970 276 0.5 60
Show 20061-4138 CBL 177 9 23.7 80
Show 20148-4258 CPO 616 312 5.8 84
Show 19592-4324 SKF1161 308 16.4 92
Show 20151-4332 KPP1654 179 12.7 95
Show 20009-4402 UC 4063 255 30.3 95
Show 20125-4130 RST2136 48 0.6 105
Show 20052-4440 KPP 864 188 7.3 106
Show 20014-4422 HJ 5161 314 11.3 107
Show 20149-4403 SKF1164 209 66.7 108
Show 20055-4109 UC 4081 352 14.1 109
Show 20092-4105 GRV1264 114 1.9 114
Show 19587-4151 TDT1895 91 0.5 114
Show 20090-4452 B 986 105 2.1 118
Show 20045-4457 HDS2862 3 0.4 125
Show 20056-4048 UC 4083 34 47.0 129
Show 19554-4344 DON 972 84 0.2 137
Show 19546-4322 UC 4051 174 23.1 141
Show 20055-4034 UC 4080 89 18.9 143
Show 20140-4053 SKF1163 12 8.5 145
Show 20068-4031 WG 250 330 16.7 146
Show 20097-4522 RSS 35 AB 127 47.5 149
Show 20110-4519 BRT1105 55 2.8 150
Show 20097-4522 SKF1162 BC 44 37.6 150
Show 20071-4533 UC 4089 300 14.1 158
Show 19574-4100 I 1408 94 0.4 160
Show 19597-4030 HJ 5159 30 27.1 168
Show 20039-4543 DAM 629 238 10.5 171
Show 19516-4323 SKF1158 261 17.8 173
Show 19587-4029 RST2125 91 0.6 175
Show 20041-4547 CPO 87 5 28.0 176
Show 20135-4539 UC 4123 130 22.9 177
Show 19580-4031 SKF1095 104 48.9 178
Show 20225-4203 HJ 5190 AB 312 40.0 178
Show 20225-4203 HJ 5190 AC 283 56.8 178
Show 19572-4035 RST2124 74 3.0 180
Show 20235-4319 TDT2231 227 0.8 181
Show 20079-3952 UC 4093 108 23.5 185
Show 20023-4554 I 660 277 1.8 186
Show 20079-3951 CRU9011 AB 185 82.5 186
Show 20079-3951 CRU9011 AC 96 80.1 186
Show 20199-4503 NSN 480 216 11.3 188
Show 20239-4225 BU 763 AB 180 0.5 188
Show 20239-4225 I 1626 AC 268 18.6 188
Show 20239-4225 SEE 511 AD 219 29.8 188

 
 
WDS 20071-4256 : COMPONENTS
 
 
  A
B pa=254.2°
sep=0.66"
 
 
20071-4256 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200708.80-425555.7 Mag 11.31 PmRA 22.00
PmDE -19.0 Tycho2 7955-02731-1
Tycho2
Tycho2 7955-02731-1 Pflag P RAmdeg 301.78667488 DEmdeg -42.93213108
PmRA 21.7 PmDE -18.9 E RAmdeg 52 E DEmdeg 66
E pmRA 2.0 E pmDE 1.9 EpRAm 1983.65 EpDEm 1975.23
Num 4 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.1 BTmag 12.622 E BTmag 0.214 VTmag 11.309
E VTmag 0.086 Prox 9 TYC T HIP
CCDM RAdeg 301.78677111 DEdeg -42.93206083 EpRA 1990 1.64
EpDE 1990 1.41 E RAdeg 53.8 E DEdeg 73.3 Posflg D
Corr 0.1
 
 
20071-4256 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200708.74-425555.9 Mag 11.41 PmRA 22.00
PmDE -19.0 Tycho2 7955-02731-2 Calc delta mag 0.1 Calc coord yes
Tycho2
Tycho2 7955-02731-2 Pflag P RAmdeg 301.78667488 DEmdeg -42.93213108
PmRA 21.7 PmDE -18.9 E RAmdeg 52 E DEmdeg 66
E pmRA 2.0 E pmDE 1.9 EpRAm 1983.65 EpDEm 1975.23
Num 4 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.1 BTmag 12.617 E BTmag 0.213 VTmag 11.408
E VTmag 0.093 Prox 9 TYC T HIP
CCDM RAdeg 301.78644028 DEdeg -42.93211139 EpRA 1990 1.64
EpDE 1990 1.41 E RAdeg 57.5 E DEdeg 78.1 Posflg D
Corr 0.1