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Current system
21165-3431
BRT 1818


Nearby doubles
20' : 21157-3414
RST3280

39' : 21168-3352
RST3283

41' : 21132-3429
HDS3021

42' : 21137-3409
KPP3115

48' : 21198-3406
KPP1676

50' : 21125-3430
UC 4403

77' : 21223-3500
HJ 5264

78' : 21103-3424
KPP 629

85' : 21145-3551
UC 4418

93' : 21224-3529
BRT1819

97' : 21200-3557
UC 4443

102' : 21131-3258
B 1005

104' : 21218-3311
SKF1650

104' : 21247-3458
B 528

109' : 21138-3247
B 2491

109' : 21176-3619
UC 4431

116' : 21225-3600
RST3284

131' : 21196-3226
I 1605

133' : 21114-3627
KPP2046

133' : 21191-3221
SKF2098

140' : 21053-3420
TDT2731

140' : 21209-3639
B 1006

140' : 21087-3612
UC 4388

151' : 21212-3212
NSN 492

157' : 21265-3608
NSN 468

157' : 21136-3703
BRT1817



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

21165-3431 BRT 1818

 
 
21h 16m 31.76s -34° 30' 33.6" P.A. 185.00 sep 3.3 mag 11.40,12.40
 
 
Coord 2000 21165-3431 Discov num BRT1818 Comp Coord arcsec 2000 21 16 31.76 -34 30 33.6
Date first 1912 Date last 1912 Obs 1
Pa first 185 Pa last 185 P.A. Now (θ) 185°
Sep first 3.3 Sep last 3.3 Sep. Now (ρ) 3.3"
Mag pri 11.40 Mag sec 12.40 delta mag (ΔM) 1 Spectral class
Pri motion ra -004 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Gaia DR2 6776778315083720960 DM CD-3514690
 
 
WDS 21165-3431 BRT 1818 : NOTES
 
 
discov_num notes refcode
BRT1818 A likely plate flaw. Grv2021b
 
 
REFERENCES
 
 
refcode metd author reference
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
 
 
DISCOVERER
 
 
idgroup discov author
1 BRT Barton, S.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21165-3431 BRT1818 1912 1 185 3.3 10.42 11.40 211735.76-343235.2

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

 
 
WDS 21165-3431 BRT 1818 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21165-3431 BRT 1818 : MEASURES
 
 
No records found.

 
 
WDS 21165-3431 : VIRTUAL EYEPIECE
 
 

21165-3431 BRT1818A mag 11.4 21165-3431 BRT1818B sep 3.3 P.A. 184.10 mag 12.4 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 21165-3431 : ALADIN DSS IMAGE @ 21h 16m 31.76s -34° 30' 33.6"
 
 
 
 
WDS 21165-3431 BRT 1818 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21165-3431 BRT1818 distance=0' 21157-3414 RST3280 distance=20' 21168-3352 RST3283 distance=39' 21132-3429 HDS3021 distance=41' 21137-3409 KPP3115 distance=42' 21198-3406 KPP1676 distance=48' 21125-3430 UC 4403 distance=50' 21223-3500 HJ 5264 distance=77' 21103-3424 KPP 629 distance=78' 21145-3551 UC 4418 distance=85' 21224-3529 BRT1819 distance=93' 21200-3557 UC 4443 distance=97' 21131-3258 B 1005 distance=102' 21218-3311 SKF1650 distance=104' 21247-3458 B 528 distance=104' 21138-3247 B 2491 distance=109' 21176-3619 UC 4431 distance=109' 21225-3600 RST3284 distance=116' 21095-3311 HDS3014Ba,Bb distance=119' 21196-3226 I 1605 distance=131' 21114-3627 KPP2046 distance=133' 21191-3221 SKF2098 distance=133' 21053-3420 TDT2731 distance=140' 21209-3639 B 1006 distance=140' 21087-3612 UC 4388 distance=140' 21212-3212 NSN 492 distance=151' 21265-3608 NSN 468 distance=157' 21136-3703 BRT1817 distance=157' 21238-3219 LDS5922 distance=159' 21232-3653 SUB 9 distance=164' 21031-3423 UC 4366 distance=167' 21256-3227 JSP 825 distance=168' 21068-3631 I 301 distance=169' 21304-3448 HJ 5274 distance=173' 21283-3254 KPP3117 distance=176' 21111-3717 COO 242 distance=179' 21247-3202 JSP 824AB distance=181' 21214-3140 UC 4455 distance=182' 21273-3222 HWE 90 distance=187' 21273-3218 B 1007 distance=190' 21087-3715 B 1895 distance=190' 21052-3221 HJ 5242 distance=193' 21012-3511 TOK 344AB distance=193' 21012-3511 TOK 344Aa,Ab distance=193' 21097-3725 TDT2796 distance=194' 21137-3121 BRT3097AB distance=194' 21220-3733 B 525 distance=195' 21271-3700 BRT1820 distance=197' 21027-3254 TDT2711 distance=198' 21322-3357 B 1009 distance=198' 21318-3534 B 1392 distance=199' 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 21165-3431 BRT1818 185 3.3
Show 21157-3414 RST3280 28 1.8 20
Show 21168-3352 RST3283 102 0.2 39
Show 21132-3429 HDS3021 173 0.3 41
Show 21137-3409 KPP3115 183 7.1 42
Show 21198-3406 KPP1676 139 12.9 48
Show 21125-3430 UC 4403 263 32.6 50
Show 21223-3500 HJ 5264 47 16.3 77
Show 21103-3424 KPP 629 190 5.8 78
Show 21145-3551 UC 4418 283 8.9 85
Show 21224-3529 BRT1819 78 3.3 93
Show 21200-3557 UC 4443 249 24.4 97
Show 21131-3258 B 1005 124 3.2 102
Show 21218-3311 SKF1650 44 2.5 104
Show 21247-3458 B 528 168 7.0 104
Show 21138-3247 B 2491 201 6.5 109
Show 21176-3619 UC 4431 146 15.1 109
Show 21225-3600 RST3284 180 0.6 116
Show 21095-3311 HDS3014 Ba,Bb 268 0.3 119
Show 21196-3226 I 1605 298 1.7 131
Show 21114-3627 KPP2046 331 16.4 133
Show 21191-3221 SKF2098 27 100.8 133
Show 21053-3420 TDT2731 108 2.2 140
Show 21209-3639 B 1006 151 5.7 140
Show 21087-3612 UC 4388 178 73.1 140
Show 21212-3212 NSN 492 320 9.3 151
Show 21265-3608 NSN 468 163 2.6 157
Show 21136-3703 BRT1817 61 3.6 157
Show 21238-3219 LDS5922 284 201.1 159
Show 21232-3653 SUB 9 168 49.6 164
Show 21031-3423 UC 4366 224 16.9 167
Show 21256-3227 JSP 825 279 2.0 168
Show 21068-3631 I 301 335 3.7 169
Show 21304-3448 HJ 5274 121 26.2 173
Show 21283-3254 KPP3117 259 2.3 176
Show 21111-3717 COO 242 239 5.2 179
Show 21247-3202 JSP 824 AB 198 1.7 181
Show 21214-3140 UC 4455 283 11.4 182
Show 21273-3222 HWE 90 280 1.3 187
Show 21273-3218 B 1007 343 0.1 190
Show 21087-3715 B 1895 119 0.9 190
Show 21052-3221 HJ 5242 265 28.9 193
Show 21012-3511 TOK 344 AB 61 186.0 193
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 193
Show 21097-3725 TDT2796 263 0.6 194
Show 21137-3121 BRT3097 AB 124 3.4 194
Show 21220-3733 B 525 171 0.9 195
Show 21271-3700 BRT1820 99 4.0 197
Show 21027-3254 TDT2711 251 0.5 198
Show 21322-3357 B 1009 59 6.7 198
Show 21318-3534 B 1392 102 0.5 199

 
 
WDS 21165-3431 : COMPONENTS
 
 
  A
B pa=184.1°
sep=3.30"
 
 
21165-3431 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211631.76-343033.6 Mag 11.4 PmRA -4.00
PmDE -8.0 DM CD-3514690
 
 
21165-3431 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211631.74-343036.9 Mag 12.4 Calc delta mag 1
Calc coord yes