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Current system
17304+5218
FYM 654 CD


Nearby doubles
11' : 17315+5222
BEM9023

18' : 17323+5223
FYM 652

25' : 17322+5236
ES 777

30' : 17278+5200
UC 3346

38' : 17269+5232
CVR1700

40' : 17271+5153
BLL 30

45' : 17353+5210
ES 635

58' : 17286+5122
HDS2468

66' : 17255+5130
HU 672

73' : 17382+5236
A 1880

74' : 17251+5312
MLR 604

78' : 17375+5132
CBL 70

84' : 17341+5333
UC 3369

86' : 17290+5052
STF2180

91' : 17353+5057
CVR1704

94' : 17318+5349
BEM 27

103' : 17198+5152
HEB 5

113' : 17321+5025
CRC 24

116' : 17374+5040
ES 2661AB

117' : 17178+5227
LEP 81

121' : 17344+5022
COU2113

122' : 17220+5351
BU 1249AB

128' : 17403+5047
COU2114

131' : 17277+5424
UC 3345

131' : 17433+5121
BEM9015

133' : 17388+5406
HDS2493



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

17304+5218 FYM 654 CD

 
 
17h 30m 31.28s +52° 16' 17.7" P.A. 298.00 sep 10.7 mag 13.45,15.70
 
 
Coord 2000 17304+5218 Discov num FYM 654 Comp CD Coord arcsec 2000 17 30 31.28 +52 16 17.7
Date first 1998 Date last 2017 Obs 8
Pa first 300 Pa last 298 P.A. Now (θ) 298°
Sep first 10.4 Sep last 10.7 Sep. Now (ρ) 10.7"
Mag pri 13.45 Mag sec 15.70 delta mag (ΔM) 2.25 Spectral class
Pri motion ra +004 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17304+5218 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Bet Dra 30429 17 30 26 +52 18 05 BU 1090 AB 2016 7 17 4.6 2.79 14.00 11.21
Show 30429 17 30 26 +52 18 05 BU 1090 AC 2020 8 156 118.7 2.79 13.45 10.66
Show 17 30 31 +52 16 18 FYM 654 CD 2017 8 298 10.7 13.45 15.70 2.25 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Gaia DR2 1415183275832940416
 
 
WDS 17304+5218 FYM 654 CD : NOTES
 
 
discov_num notes refcode
BU 1090 bet Dra = 23 dra = Rastaban
Mk III Limb-darkened diameter 3.225 +/- 0.053 mas. MkT2003
 
 
REFERENCES
 
 
refcode metd author reference
MkT2003 Km - Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., 2003AJ....126.2502M
MkT2003 +not Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MkT2003 AJ 126, 2502, 2003
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 FYM Fay, M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17304+5218 FYM 654 CD 2017 4 298 10.7 13.45 15.70 173031.28+521617.7

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

 
 
WDS 17304+5218 FYM 654 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17304+5218 FYM 654 CD : MEASURES
 
 
No records found.

 
 
WDS 17304+5218 : VIRTUAL EYEPIECE
 
 

17304+5218 BU 1090A mag 2.79 Sp G2Ib 17304+5218 BU 1090B sep 4.5 P.A. 10.50 mag 14 Sp IIa 17304+5218 FYM 654C sep 117.7 P.A. 155.60 mag 13.45 17304+5218 FYM 654D sep 110.8 P.A. 157.30 mag 15.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17304+5218 : ALADIN DSS IMAGE @ 17h 30m 31.28s +52° 16' 17.7"
 
 
 
 
WDS 17304+5218 FYM 654 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17304+5218 FYM 654CD distance=0' 17304+5218 BU 1090AB (Rastaban) distance=2' 17304+5218 BU 1090AC (Rastaban) distance=2' 17315+5222 BEM9023 distance=11' 17323+5223 FYM 652 distance=18' 17322+5236 ES 777 distance=25' 17278+5200 UC 3346 distance=30' 17269+5232 CVR1700 distance=38' 17271+5153 BLL 30 distance=40' 17353+5210 ES 635 distance=45' 17286+5122 HDS2468 distance=58' 17255+5130 HU 672 distance=66' 17382+5236 A 1880 distance=73' 17251+5312 MLR 604 distance=74' 17375+5132 CBL 70 distance=78' 17341+5333 UC 3369 distance=84' 17290+5052 STF2180 distance=86' 17353+5057 CVR1704 distance=91' 17318+5349 BEM 27 distance=94' 17198+5152 HEB 5 distance=103' 17321+5025 CRC 24 distance=113' 17374+5040 ES 2661AB distance=116' 17374+5040 ES 2661BC distance=117' 17178+5227 LEP 81 distance=117' 17344+5022 COU2113 distance=121' 17220+5351 BU 1249AB distance=122' 17220+5351 BU 1249AB,C distance=122' 17403+5047 COU2114 distance=128' 17277+5424 UC 3345 distance=131' 17433+5121 BEM9015 distance=131' 17388+5406 HDS2493 distance=133' 17452+5157 B 9005CE distance=134' 17452+5157 STF2225CD distance=134' 17452+5157 STF2225AB distance=137' 17452+5157 STF2225AC distance=137' 17374+5014 ES 973 distance=138' 17183+5338 SWI 3 distance=138' 17362+5425 ES 637 distance=139' 17185+5346 ES 776BC distance=141' 17170+5337 GRV1133 distance=141' 17185+5346 ES 776AB distance=141' 17302+4955 BVD 252 distance=142' 17437+5336 KPP 399 distance=144' 17237+5007 SHN 36 distance=144' 17402+5411 ES 638 distance=146' 17316+4943 FOX 202 distance=154' 17473+5218 CVR 863 distance=155' 17458+5326 MLR 605BC distance=155' 17138+5246 TDT 272 distance=156' 17337+4942 HU 1282 distance=157' 17230+4953 BVD 249 distance=160' 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 17304+5218 FYM 654 CD 298 10.7
Show Rastaban 17304+5218 BU 1090 AB 17 4.6 2
Show Rastaban 17304+5218 BU 1090 AC 156 118.7 2
Show 17315+5222 BEM9023 52 15.5 11
Show 17323+5223 FYM 652 353 5.2 18
Show 17322+5236 ES 777 349 6.1 25
Show 17278+5200 UC 3346 338 6.5 30
Show 17269+5232 CVR1700 262 4.7 38
Show 17271+5153 BLL 30 105 124.8 40
Show 17353+5210 ES 635 243 5.9 45
Show 17286+5122 HDS2468 94 0.3 58
Show 17255+5130 HU 672 58 4.2 66
Show 17382+5236 A 1880 114 2.7 73
Show 17251+5312 MLR 604 96 0.8 74
Show 17375+5132 CBL 70 93 14.7 78
Show 17341+5333 UC 3369 122 55.0 84
Show 17290+5052 STF2180 260 3.0 86
Show 17353+5057 CVR1704 181 3.5 91
Show 17318+5349 BEM 27 205 13.0 94
Show 17198+5152 HEB 5 -1 0.2 103
Show 17321+5025 CRC 24 23 12.5 113
Show 17374+5040 ES 2661 AB 102 58.3 116
Show 17374+5040 ES 2661 BC 18 14.9 117
Show 17178+5227 LEP 81 216 182.9 117
Show 17344+5022 COU2113 107 0.8 121
Show 17220+5351 BU 1249 AB 82 0.6 122
Show 17220+5351 BU 1249 AB,C 78 62.1 122
Show 17403+5047 COU2114 4 0.4 128
Show 17277+5424 UC 3345 199 26.1 131
Show 17433+5121 BEM9015 265 13.0 131
Show 17388+5406 HDS2493 253 0.5 133
Show 17452+5157 B 9005 CE 302 65.1 134
Show 17452+5157 STF2225 CD 296 8.7 134
Show 17452+5157 STF2225 AB 339 5.5 137
Show 17452+5157 STF2225 AC 245 230.2 137
Show 17374+5014 ES 973 242 8.1 138
Show 17183+5338 SWI 3 180 0.5 138
Show 17362+5425 ES 637 295 4.0 139
Show 17185+5346 ES 776 BC 313 2.2 141
Show 17170+5337 GRV1133 328 12.9 141
Show 17185+5346 ES 776 AB 153 28.5 141
Show 17302+4955 BVD 252 284 21.7 142
Show 17437+5336 KPP 399 264 3.7 144
Show 17237+5007 SHN 36 278 0.4 144
Show 17402+5411 ES 638 185 2.5 146
Show 17316+4943 FOX 202 237 55.4 154
Show 17473+5218 CVR 863 178 7.9 155
Show 17458+5326 MLR 605 BC 45 10.8 155
Show 17138+5246 TDT 272 81 0.7 156
Show 17337+4942 HU 1282 142 0.6 157
Show 17230+4953 BVD 249 108 14.2 160

 
 
WDS 17304+5218 : COMPONENTS
 
 
  A B C
B pa=10.5°
sep=4.45"
 
C pa=155.6°
sep=117.72"
pa=156.8°
sep=121.39"
 
D pa=157.3°
sep=110.80"
pa=158.5°
sep=114.55"
pa=311.0°
sep=7.66"
 
 
17304+5218 A
 
 
Name Bet Dra Common name Rastaban Meaning snake's head Other names Rastaben, Alwaid, Asuia
Coord arcsec 2000 173025.98+521804.9 Mag 2.79 Spectral class G2Ib (yellow) PmRA -16.00
PmDE 15.0 SAO 30429 HIP 85670 Tycho2 3521-01800-1
HD 159181 HR 6536 GC 23741 ADS 10611
BD BD+52 2065 Bayer Beta Draconis Bayer name Bet Dra Flamsteed 23 Draconis
Flamsteed name 23 Dra FK5 653
Tycho2
Tycho2 3521-01800-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 3.980 E BTmag 0.014 VTmag 2.874
E VTmag 0.009 Prox 999 TYC T HIP 85670
CCDM RAdeg 262.60823167 DEdeg 52.30135972 EpRA 1990 1.58
EpDE 1990 1.66 E RAdeg 3.2 E DEdeg 3.2 Posflg
Corr 0.1
SAO
SAO 30429 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 0.013 Vmag 3 SpType G0
Double code Source 74 CatNum 653 DM BD+52 2065
DMcomp BDsup HD 159181 M HD 0
GC 23741 RA1950rad 4.5784356 DE1950rad 0.91346483 PmRA2000 -0.0017
PmDE2000 0.014
Hipparcos
Catalog H HIP 85670 Proxy RAhms 17 30 25.98
DEdms +52 18 04.9 Vmag 2.79 VarFlag 1 R Vmag H
RAdeg 262.608 DEdeg 52.3014 AstroRef Plx 9.02
CCDM 17305+5218 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 159181 BD BD+52 2065
CD CP Dm number +52 2065 VIred 0.93
SpType G2II R SpType Coord arcsec 2000 173025.98+521804.9
Hipparcos 2
HIP 85670 Sn 5 So 0 Nc 1
RArad 4.5833783766 DErad 0.9128309154 Plx 8.58 PmRA -15.89
PmDE 12.28 E RArad 0.09 E DErad 0.09 E Plx 0.1
E pmRA 0.09 E pmDE 0.11 Hpmag 2.9466 E Hpmag 0.0005
SHp 0.005 VA 0 BV 0.954 E BV 0.007
VI 0.93
 
 
17304+5218 B
 
 
Coord arcsec 2000 173026.07+521809.3 Mag 14 Spectral class IIa Calc delta mag 11.21
Calc coord yes
 
 
17304+5218 C
 
 
Coord arcsec 2000 173031.28+521617.7 Coord calc 173031.28+521617.7 Mag 13.45 PmRA 4.00
PmDE -4.0 Calc delta mag 10.66
 
 
17304+5218 D
 
 
Coord arcsec 2000 173030.65+521622.7 Mag 15.7 Calc delta mag 12.91 Calc coord yes