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Doubles in session


Current system
18544-2543
RST 3204


Nearby doubles
13' : 18536-2536
RST3202

38' : 18553-2618
SMY 4AB
Nunki

46' : 18560-2503
B 413

47' : 18512-2601
OCC 66

52' : 18579-2524
B 2871AB

60' : 18521-2452
WFC 214

61' : 18512-2500
B 410

64' : 18497-2538
B 407

67' : 18592-2540
TDT1167

69' : 18517-2641
RST2079

69' : 18534-2435
OCC 54

69' : 18591-2609
B 415

70' : 18591-2612
I 1389

77' : 18489-2603
B 406

80' : 18572-2652
TSN 65

82' : 18506-2646
B 409

84' : 18581-2436
RST3207

86' : 18510-2431
J 1751

86' : 18502-2647
J 1637

91' : 18554-2413
OCC1045

92' : 18555-2413
OCC1047

97' : 18593-2653
RSS 501

105' : 18544-2727
B 411

106' : 18549-2357
RCH 7AB

109' : 19024-2541
HDS2699

110' : 19010-2439
COO 230



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18544-2543 RST 3204

 
 
18h 54m 21.47s -25° 42' 26.6" P.A. 225.00 sep 2.7 mag 9.98,13.70 Sp F3V
 
 
Coord 2000 18544-2543 Discov num RST3204 Comp Coord arcsec 2000 18 54 21.47 -25 42 26.6
Date first 1935 Date last 2015 Obs 3
Pa first 225 Pa last 224.5 P.A. Now (θ) 224.5°
Sep first 2.3 Sep last 2.728 Sep. Now (ρ) 2.728"
Mag pri 9.98 Mag sec 13.70 delta mag (ΔM) 3.72 Spectral class F3V (yellow-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6864-01410-1 Gaia DR2 4073902275578745216 HD 174976
 
 
WDS 18544-2543 RST 3204 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 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
18544-2543 RST3204 1943 2 225 2.3 9.98 13.70 F3V 185421.47-254226.6
18544-2543 RST3204 2015 3 225 2.7 9.98 13.70 F3V S 185421.47-254226.6

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

 
 
WDS 18544-2543 RST 3204 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18544-2543 RST 3204 : MEASURES
 
 
No records found.

 
 
WDS 18544-2543 : VIRTUAL EYEPIECE
 
 

18544-2543 RST3204A mag 9.98 Sp F3V 18544-2543 RST3204B sep 2.6 P.A. 221.50 mag 13.7 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 18544-2543 : ALADIN DSS IMAGE @ 18h 54m 21.47s -25° 42' 26.6"
 
 
 
 
WDS 18544-2543 RST 3204 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18544-2543 RST3204 distance=0' 18536-2536 RST3202 distance=13' 18553-2618 BED 1Aa,Ab (Nunki) distance=38' 18553-2618 SMY 4AB (Nunki) distance=38' 18560-2503 B 413 distance=46' 18512-2601 OCC 66 distance=47' 18579-2524 B 2871AB distance=52' 18579-2524 SIN 112AC distance=52' 18521-2452 WFC 214 distance=60' 18512-2500 B 410 distance=61' 18497-2538 B 407 distance=64' 18592-2540 TDT1167 distance=67' 18517-2641 RST2079 distance=69' 18534-2435 OCC 54 distance=69' 18591-2609 B 415 distance=69' 18591-2612 I 1389 distance=70' 18489-2603 B 406 distance=77' 18572-2652 TSN 65 distance=80' 18506-2646 B 409 distance=82' 18581-2436 RST3207 distance=84' 18510-2431 J 1751 distance=86' 18502-2647 J 1637 distance=86' 18554-2413 OCC1045 distance=91' 18555-2413 OCC1047 distance=92' 18593-2653 RSS 501 distance=97' 18544-2727 B 411 distance=105' 18549-2357 RCH 7AB distance=106' 18549-2357 OCC1044Aa,Ab distance=106' 18549-2357 OCC1044Aa,Ac distance=106' 19024-2541 HDS2699 distance=109' 19010-2439 COO 230 distance=110' 18465-2511 RST3197 distance=112' 18554-2349 OCC1046 distance=114' 18572-2352 CPO 603 distance=117' 18474-2430 BRT3076 distance=120' 18553-2341 B 412 distance=122' 18569-2345 OCC1048 distance=123' 18531-2745 I 1031 distance=125' 19028-2634 TDT1198 distance=126' 18459-2637 J 2229 distance=126' 18498-2350 TNN 13AB distance=129' 18498-2350 TNN 13AC distance=129' 18565-2336 ARA2248 distance=130' 18447-2548 SEE 358 distance=131' 18496-2736 OCC 153 distance=131' 19037-2510 RST3211 distance=131' 18580-2337 LEO 22AB distance=136' 18580-2337 OCC1049Aa,Ab distance=136' 18444-2546 RST3196 distance=136' 19016-2408 CBL 175 distance=136' 18448-2501 CHR 78 distance=136' 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 18544-2543 RST3204 225 2.7
Show 18536-2536 RST3202 50 0.2 13
Show Nunki 18553-2618 BED 1 Aa,Ab 202 0.0 38
Show Nunki 18553-2618 SMY 4 AB 239 349.0 38
Show 18560-2503 B 413 247 6.2 46
Show 18512-2601 OCC 66 -1 0.1 47
Show 18579-2524 B 2871 AB 296 14.7 52
Show 18579-2524 SIN 112 AC 94 54.3 52
Show 18521-2452 WFC 214 262 9.3 60
Show 18512-2500 B 410 190 0.8 61
Show 18497-2538 B 407 358 0.8 64
Show 18592-2540 TDT1167 99 0.6 67
Show 18517-2641 RST2079 197 1.9 69
Show 18534-2435 OCC 54 -1 0.1 69
Show 18591-2609 B 415 1 4.6 69
Show 18591-2612 I 1389 105 5.4 70
Show 18489-2603 B 406 315 1.7 77
Show 18572-2652 TSN 65 338 70.2 80
Show 18506-2646 B 409 258 5.2 82
Show 18581-2436 RST3207 303 2.7 84
Show 18510-2431 J 1751 281 13.7 86
Show 18502-2647 J 1637 16 5.2 86
Show 18554-2413 OCC1045 -1 0.0 91
Show 18555-2413 OCC1047 -1 0.0 92
Show 18593-2653 RSS 501 124 11.5 97
Show 18544-2727 B 411 40 4.1 105
Show 18549-2357 RCH 7 AB 20 1.6 106
Show 18549-2357 OCC1044 Aa,Ab -1 0.0 106
Show 18549-2357 OCC1044 Aa,Ac -1 0.0 106
Show 19024-2541 HDS2699 190 0.2 109
Show 19010-2439 COO 230 195 8.5 110
Show 18465-2511 RST3197 156 0.3 112
Show 18554-2349 OCC1046 -1 0.0 114
Show 18572-2352 CPO 603 161 9.9 117
Show 18474-2430 BRT3076 94 3.5 120
Show 18553-2341 B 412 278 1.9 122
Show 18569-2345 OCC1048 -1 0.0 123
Show 18531-2745 I 1031 349 0.4 125
Show 19028-2634 TDT1198 287 0.6 126
Show 18459-2637 J 2229 26 3.7 126
Show 18498-2350 TNN 13 AB 311 6.2 129
Show 18498-2350 TNN 13 AC 234 8.3 129
Show 18565-2336 ARA2248 332 13.0 130
Show 18447-2548 SEE 358 69 1.2 131
Show 18496-2736 OCC 153 -1 0.1 131
Show 19037-2510 RST3211 137 3.4 131
Show 18580-2337 LEO 22 AB 280 2.8 136
Show 18580-2337 OCC1049 Aa,Ab -1 0.0 136
Show 18444-2546 RST3196 71 0.2 136
Show 19016-2408 CBL 175 84 31.2 136
Show 18448-2501 CHR 78 192 0.1 136

 
 
WDS 18544-2543 : COMPONENTS
 
 
  A
B pa=221.5°
sep=2.60"
 
 
18544-2543 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185421.47-254226.6 Mag 9.98 Spectral class F3V (yellow-white)
PmRA 0.00 PmDE -2.0 Tycho2 6864-01410-1 HD 174976
Tycho2
Tycho2 6864-01410-1 Pflag RAmdeg 283.58947229 DEmdeg -25.70740600
PmRA 0.4 PmDE -2.1 E RAmdeg 23 E DEmdeg 26
E pmRA 1.9 E pmDE 1.6 EpRAm 1988.34 EpDEm 1982.18
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 10.689 E BTmag 0.049 VTmag 9.982
E VTmag 0.039 Prox 999 TYC T HIP
CCDM RAdeg 283.58947139 DEdeg -25.70740389 EpRA 1990 1.78
EpDE 1990 1.64 E RAdeg 24.4 E DEdeg 32.0 Posflg
Corr -0.1
 
 
18544-2543 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185421.34-254228.5 Mag 13.7 Calc delta mag 3.72
Calc coord yes