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Doubles in session


Current system
18055+0311
HEI 257


Nearby doubles
9' : 18049+0311
BAL2471

16' : 18057+0326
BAL2472

19' : 18046+0258
BAL1949

21' : 18048+0332
J 460

25' : 18044+0329
STF2266AB

26' : 18065+0331
SLE 84

31' : 18044+0337
A 2257

32' : 18076+0314
SLE 85

34' : 18052+0238
BAL1950

35' : 18077+0317
AG 216

42' : 18055+0230
STF2272AB

46' : 18026+0325
HDS2539

46' : 18080+0337
ARY 2AB

46' : 18084+0325
BAL2475

51' : 18081+0343
BAL2474

51' : 18022+0302
A 2190

51' : 18034+0231
A 2191

53' : 18090+0315
BAL2477

54' : 18074+0227
BAL1951

57' : 18076+0224
BAL1952

60' : 18017+0335
SLE 86

62' : 18015+0324
BAL2467

62' : 18015+0331
BU 1202AB

63' : 18080+0222
WLY 9

66' : 18083+0230
BAL1953AB

66' : 18026+0400
SLE 83



Selections
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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.

18055+0311 HEI 257

 
 
18h 05m 27.30s +03° 11' 27.1" P.A. 331.00 sep 1.7 mag 10.30,11.50
 
 
Coord 2000 18055+0311 Discov num HEI 257 Comp Coord arcsec 2000 18 05 27.30 +03 11 27.1
Date first 1984 Date last 2015 Obs 7
Pa first 333 Pa last 330.9 P.A. Now (θ) 330.9°
Sep first 1.9 Sep last 1.7 Sep. Now (ρ) 1.7"
Mag pri 10.30 Mag sec 11.50 delta mag (ΔM) 1.2 Spectral class
Pri motion ra +020 Sec motion ra
Pri motion dec -027 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 0434-00465-1 Gaia DR2 4468669276831931648
 
 
WDS 18055+0311 HEI 257 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
HEI Heintz, W.D.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18055+0311 HEI 257 2005 4 331 1.8 10.30 11.50 180527.30+031127.1
18055+0311 HEI 257 2015 5 331 1.7 10.30 11.50 180527.30+031127.1

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

 
 
WDS 18055+0311 HEI 257 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18055+0311 HEI 257 : MEASURES
 
 
No records found.

 
 
WDS 18055+0311 : VIRTUAL EYEPIECE
 
 

18055+0311 HEI 257A mag 10.3 18055+0311 HEI 257B sep 1.7 P.A. 330.90 mag 11.5 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 18055+0311 : ALADIN DSS IMAGE @ 18h 05m 27.30s +03° 11' 27.1"
 
 
 
 
WDS 18055+0311 HEI 257 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18055+0311 HEI 257 distance=0' 18049+0311 BAL2471 distance=9' 18057+0326 BAL2472 distance=16' 18046+0258 BAL1949 distance=19' 18048+0332 J 460 distance=21' 18044+0329 STF2266AB distance=25' 18044+0329 STF2266AC distance=25' 18065+0331 SLE 84 distance=26' 18044+0337 A 2257 distance=31' 18076+0314 SLE 85 distance=32' 18052+0238 BAL1950 distance=34' 18077+0317 AG 216 distance=35' 18055+0230 STF2272AB distance=42' 18055+0230 STF2272AS distance=42' 18055+0230 STF2272AU distance=42' 18055+0230 STF2272AV distance=42' 18055+0230 STF2272AY distance=42' 18055+0230 STF2272AC distance=42' 18055+0230 STF2272AD distance=42' 18055+0230 STF2272AR distance=42' 18055+0230 STF2272AZ distance=42' 18055+0230 STF2272AT distance=42' 18055+0230 TNN 9AE distance=42' 18055+0230 TNN 9AF distance=42' 18055+0230 STF2272BC distance=42' 18055+0230 STF2272BD distance=42' 18055+0230 STF2272BR distance=42' 18055+0230 STF2272BZ distance=42' 18055+0230 STF2272VT distance=42' 18055+0230 STF2272VW distance=42' 18055+0230 STF2272VX distance=42' 18026+0325 HDS2539 distance=46' 18080+0337 ARY 2AB distance=46' 18080+0337 ARY 2AC distance=46' 18084+0325 BAL2475 distance=46' 18081+0343 BAL2474 distance=51' 18022+0302 A 2190 distance=51' 18034+0231 A 2191 distance=51' 18090+0315 BAL2477 distance=53' 18074+0227 BAL1951 distance=54' 18076+0224 BAL1952 distance=57' 18017+0335 SLE 86 distance=60' 18015+0324 BAL2467 distance=62' 18015+0331 BU 1202CD distance=62' 18015+0331 BU 1202CF distance=62' 18015+0331 BU 1202AB distance=62' 18015+0331 BU 1202AB,C distance=62' 18015+0331 BU 1202AB,E distance=62' 18080+0222 WLY 9 distance=63' 18083+0230 BAL1953AB distance=66' 18026+0400 SLE 83 distance=66' 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 18055+0311 HEI 257 331 1.7 0
Show 18049+0311 BAL2471 225 3.5 9
Show 18057+0326 BAL2472 85 3.6 16
Show 18046+0258 BAL1949 182 13.7 19
Show 18048+0332 J 460 86 2.3 21
Show 18044+0329 STF2266 AB 187 8.7 25
Show 18044+0329 STF2266 AC 202 50.8 25
Show 18065+0331 SLE 84 179 20.3 26
Show 18044+0337 A 2257 36 0.2 31
Show 18076+0314 SLE 85 181 11.3 32
Show 18052+0238 BAL1950 335 7.4 34
Show 18077+0317 AG 216 91 2.4 35
Show 18055+0230 STF2272 AB 118 6.8 42
Show 18055+0230 STF2272 AS 10 202.6 42
Show 18055+0230 STF2272 AU 337 255.5 42
Show 18055+0230 STF2272 AV 276 144.5 42
Show 18055+0230 STF2272 AY 357 250.5 42
Show 18055+0230 STF2272 AC 326 93.1 42
Show 18055+0230 STF2272 AD 315 129.3 42
Show 18055+0230 STF2272 AR 26 164.8 42
Show 18055+0230 STF2272 AZ 163 68.3 42
Show 18055+0230 STF2272 AT 45 128.4 42
Show 18055+0230 TNN 9 AE 231 9.4 42
Show 18055+0230 TNN 9 AF 196 11.5 42
Show 18055+0230 STF2272 BC 322 81.2 42
Show 18055+0230 STF2272 BD 311 120.0 42
Show 18055+0230 STF2272 BR 29 154.3 42
Show 18055+0230 STF2272 BZ 163 70.2 42
Show 18055+0230 STF2272 VT 72 247.5 42
Show 18055+0230 STF2272 VW 270 180.6 42
Show 18055+0230 STF2272 VX 253 17.5 42
Show 18026+0325 HDS2539 129 0.3 46
Show 18080+0337 ARY 2 AB 359 92.3 46
Show 18080+0337 ARY 2 AC 54 116.2 46
Show 18084+0325 BAL2475 88 5.5 46
Show 18081+0343 BAL2474 280 15.8 51
Show 18022+0302 A 2190 75 3.6 51
Show 18034+0231 A 2191 201 3.2 51
Show 18090+0315 BAL2477 162 18.8 53
Show 18074+0227 BAL1951 251 3.2 54
Show 18076+0224 BAL1952 153 13.5 57
Show 18017+0335 SLE 86 281 7.3 60
Show 18015+0324 BAL2467 95 8.7 62
Show 18015+0331 BU 1202 CD 110 2.8 62
Show 18015+0331 BU 1202 CF 163 17.4 62
Show 18015+0331 BU 1202 AB 344 0.7 62
Show 18015+0331 BU 1202 AB,C 27 106.3 62
Show 18015+0331 BU 1202 AB,E 138 90.4 62
Show 18080+0222 WLY 9 94 16.4 63
Show 18083+0230 BAL1953 AB 122 17.1 66
Show 18026+0400 SLE 83 91 7.2 66

 
 
WDS 18055+0311 : COMPONENTS
 
 
  A
B pa=330.9°
sep=1.70"
 
 
18055+0311 A
 
 
Coord arcsec 2000 180527.30+031127.1 Mag 10.3 PmRA 20.00 PmDE -27.0
Tycho2 0434-00465-1
Tycho2
Tycho2 0434-00465-1 Pflag RAmdeg 271.36371243 DEmdeg 3.19089613
PmRA 20.1 PmDE -26.9 E RAmdeg 29 E DEmdeg 34
E pmRA 2.2 E pmDE 2.2 EpRAm 1986.28 EpDEm 1986.24
Num 3 Q RAmdeg 6.8 Q DEmdeg 5.8 Q pmRA 6.6
Q pmDE 5.7 BTmag 11.226 E BTmag 0.073 VTmag 10.446
E VTmag 0.055 Prox 999 TYC T HIP
CCDM RAdeg 271.36371167 DEdeg 3.19092250 EpRA 1990 1.83
EpDE 1990 1.74 E RAdeg 39.6 E DEdeg 42.4 Posflg
Corr -0.2
 
 
18055+0311 B
 
 
Coord arcsec 2000 180527.24+031128.6 Mag 11.5 Delta magnitude 1.2 Coordinate calculated yes