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Current system
15118+6151
STF 1927 AB
BV Dra


Nearby doubles
8' : 15128+6149
SHN 199

14' : 15117+6205
BVD 326

21' : 15094+6202
STI 781

32' : 15135+6123
SLW1073

32' : 15077+6203
SKF 721

37' : 15081+6126
CVR 161

40' : 15082+6222
CRC 71

55' : 15112+6245
LDS2355

58' : 15047+6222
LDS1421

67' : 15175+6246
PKO 23

68' : 15168+6055
CLZ 66

72' : 15145+6300
UC 2968

72' : 15031+6117
MLR 47

75' : 15195+6102
RAO 334

81' : 15078+6307
STF1918

82' : 15088+6311
LDS2353

89' : 15020+6057
SLW1053

92' : 15192+6307
MLB 354

93' : 15220+6254
LDS2718

94' : 15122+6017
LDS2714AB

94' : 15140+6324
LDS2356

95' : 14585+6158
STI 779

96' : 15048+6314
LDS2352

96' : 15044+6032
CTI5357

97' : 15232+6100
HU 909

103' : 15172+6016
LDS2716



Selections
Full WDS
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.

15118+6151 STF 1927 AB (BV Dra)

 
 
15h 11m 50.36s +61° 51' 25.3" P.A. 353.00 sep 16.1 mag 8.12,8.81 Sp F9V+B0 dist. 70.52 pc (230.04 l.y.)
 
 
Coord 2000 15118+6151 Discov num STF1927 Comp AB Coord arcsec 2000 15 11 50.36 +61 51 25.3
Date first 1832 Date last 2017 Obs 53
Pa first 354 Pa last 353.4 P.A. Now (θ) 353.4°
Sep first 16.1 Sep last 16.05 Sep. Now (ρ) 16.05"
Mag pri 8.12 Mag sec 8.81 delta mag (ΔM) 0.69 Spectral class F9V+B0 (yellow-white/blue-white)
Pri motion ra -164 Sec motion ra -161
Pri motion dec +096 Sec motion dec +096
Notes N T (See Notes, Parallax indicates physical)
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
15118+6151 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show BV Dra 16636 15 11 50 +61 51 25 STF 1927 AB 2017 53 353 16.1 8.12 8.81 0.69 <===
Show 16636 15 11 50 +61 51 25 VLM 3 AC 2015 13 18 32.6 8.12 13.40 5.28
Show 16635 15 11 50 +61 51 40 VLM 3 BC 2015 7 37 18.8 8.81 13.40 4.59
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name BV Dra Constellation Draco SAO 16636 HIP 74370
Gaia DR2 1616589410627042560 BD BD+62 1393 Distance 70.52 Distance ly 230.04
 
 
WDS 15118+6151 STF 1927 AB (BV Dra) : NOTES
 
 
discov_num notes refcode
STF1927 A and B are both W UMa systems, BV and BW Dra, periods 0.29 and 0.35d.
Spectra F9V, F8V and G3V and G0V.
NLTT 39621/39620 Chm2004
AB: HJL 215. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
 
 
DISCOVERER
 
 
discov author
CHM Chaname, J. & Gould, A.
HJL Halbwachs, J.L., Boffin, H.M.J., Le Bouquin, J.-B., Kiefer, F., Famaey, B.,
HJL Salomon, J.-B., Arenou, F., Pourbaix, D., Anthonioz, F., Grellmann, R., Guieu, S.,
HJL Sana, H., et al.
HJL Halbwachs, J.-L., Kiefer, F., Lebreton, Y., Boffin, H.M.J., Arenou, F., LeBouquin,
STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
15118+6151 STF1927 AB 2006 41 353 16.0 8.12 8.81 F7V +62 1393 NZDV 151150.36+615125.3
15118+6151 STF1927 AB 2013 43 353 15.9 8.12 8.81 F7V +62 1393 NZDV 151150.36+615125.3
15118+6151 STF1927 AB 2015 45 354 16.5 8.12 8.81 F7V +62 1393 NZ V 151150.36+615125.3
15118+6151 STF1927 AB 2016 52 354 16.0 8.12 8.81 F9V+B0 +62 1393 NT 151150.36+615125.3
15118+6151 STF1927 AB 2017 53 353 16.1 8.12 8.81 F9V+B0 +62 1393 NT 151150.36+615125.3

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

 
 
WDS 15118+6151 STF 1927 AB (BV Dra) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15118+6151 STF 1927 AB (BV Dra) : MEASURES
 
 
No records found.

 
 
WDS 15118+6151 (BV Dra) : VIRTUAL EYEPIECE
 
 

15118+6151 STF1927A mag 8.12 Sp F9V 15118+6151 VLM 3B sep 15.2 P.A. 358.10 mag 8.81 15118+6151 VLM 3C sep 32.6 P.A. 17.90 mag 13.4 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 15118+6151 (BV Dra) : ALADIN DSS IMAGE @ 15h 11m 50.36s +61° 51' 25.3"
 
 
 
 
WDS 15118+6151 STF 1927 AB (BV Dra) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15118+6151 STF1927AB distance=0' 15118+6151 VLM 3BC distance=1' 15128+6149 SHN 199 distance=8' 15117+6205 BVD 326 distance=14' 15094+6202 STI 781 distance=21' 15135+6123 SLW1073 distance=32' 15077+6203 SKF 721 distance=32' 15081+6126 CVR 161 distance=37' 15082+6222 CRC 71 distance=40' 15112+6245 LDS2355 distance=55' 15047+6222 LDS1421 distance=58' 15175+6246 PKO 23 distance=67' 15168+6055 CLZ 66 distance=68' 15145+6300 UC 2968 distance=72' 15031+6117 MLR 47 distance=72' 15195+6102 RAO 334 distance=75' 15078+6307 STF1918 distance=81' 15088+6311 LDS2353 distance=82' 15020+6057 SLW1053 distance=89' 15192+6307 MLB 354 distance=92' 15220+6254 LDS2718 distance=93' 15122+6017 LDS2714AB distance=94' 15122+6017 DAM 691AC distance=94' 15140+6324 LDS2356 distance=94' 14585+6158 STI 779 distance=95' 15048+6314 LDS2352 distance=96' 15044+6032 CTI5357 distance=96' 15232+6100 HU 909 distance=97' 15172+6016 LDS2716 distance=103' 15127+6008 HU 1159 distance=104' 15117+6337 HDS2135 distance=106' 15201+6023 STTA138AB distance=107' 15201+6023 STTA138AC distance=107' 15201+6023 STTA138BC distance=109' 14593+6035 MLR 46 distance=119' 15212+6334 TOI1293Aa,Ab distance=122' 14545+6205 KPP3939 distance=124' 15251+6034 CVR1629 distance=124' 15014+6012 RBR 45 distance=125' 15063+5950 HDS2127 distance=129' 15259+6032 MLR 346 distance=130' 15058+6403 MCT 7AB distance=138' 15058+6403 TOK 588AC distance=138' 15058+6403 LWR 12Ba,Bb distance=138' 15061+6406 TDS9402 distance=141' 15059+5934 SKF 718 distance=145' 15312+6254 HU 910 distance=149' 14565+5923 SHY 661CD distance=150' 15066+6419 TDS9406 distance=152' 15228+5943 KPP3412 distance=152' 15189+5929 TDS9479 distance=152' 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 15118+6151 STF1927 AB 353 16.1 0
Show 15118+6151 VLM 3 AC 18 32.6 0
Show 15118+6151 VLM 3 BC 37 18.8 1
Show 15128+6149 SHN 199 -1 0.2 8
Show 15117+6205 BVD 326 26 12.7 14
Show 15094+6202 STI 781 295 13.6 21
Show 15135+6123 SLW1073 24 129.4 32
Show 15077+6203 SKF 721 37 1.4 32
Show 15081+6126 CVR 161 308 12.1 37
Show 15082+6222 CRC 71 70 0.9 40
Show 15112+6245 LDS2355 134 9.7 55
Show 15047+6222 LDS1421 121 8.4 58
Show 15175+6246 PKO 23 349 6.1 67
Show 15168+6055 CLZ 66 178 92.1 68
Show 15145+6300 UC 2968 77 40.6 72
Show 15031+6117 MLR 47 250 8.1 72
Show 15195+6102 RAO 334 228 1.6 75
Show 15078+6307 STF1918 20 17.8 81
Show 15088+6311 LDS2353 82 14.6 82
Show 15020+6057 SLW1053 341 26.9 89
Show 15192+6307 MLB 354 113 2.9 92
Show 15220+6254 LDS2718 107 2.0 93
Show 15122+6017 LDS2714 AB 149 30.1 94
Show 15122+6017 DAM 691 AC 128 33.1 94
Show 15140+6324 LDS2356 349 32.4 94
Show 14585+6158 STI 779 179 5.6 95
Show 15048+6314 LDS2352 72 6.2 96
Show 15044+6032 CTI5357 247 12.7 96
Show 15232+6100 HU 909 282 1.5 97
Show 15172+6016 LDS2716 113 22.9 103
Show 15127+6008 HU 1159 352 0.3 104
Show 15117+6337 HDS2135 138 0.2 106
Show 15201+6023 STTA138 AB 195 151.9 107
Show 15201+6023 STTA138 AC 162 90.5 107
Show 15201+6023 STTA138 BC 49 91.6 109
Show 14593+6035 MLR 46 114 1.6 119
Show 15212+6334 TOI1293 Aa,Ab 123 0.9 122
Show 14545+6205 KPP3939 151 1.5 124
Show 15251+6034 CVR1629 304 4.6 124
Show 15014+6012 RBR 45 20 1.2 125
Show 15063+5950 HDS2127 36 0.4 129
Show 15259+6032 MLR 346 48 0.3 130
Show 15058+6403 MCT 7 AB 261 5.5 138
Show 15058+6403 TOK 588 AC 33 999.9 138
Show 15058+6403 LWR 12 Ba,Bb -1 0.1 138
Show 15061+6406 TDS9402 38 0.5 141
Show 15059+5934 SKF 718 17 2.2 145
Show 15312+6254 HU 910 275 1.4 149
Show 14565+5923 SHY 661 CD 213 999.9 150
Show 15066+6419 TDS9406 254 0.9 152
Show 15228+5943 KPP3412 114 14.5 152

 
 
WDS 15118+6151 : COMPONENTS
 
 
  A B
B pa=358.1°
sep=15.21"
 
C pa=17.9°
sep=32.59"
pa=33.6°
sep=18.99"
 
 
15118+6151 A
 
 
Var name BV Dra Coord arcsec 2000 151150.36+615125.3 Mag 8.12 Spectral class F9V (yellow-white)
PmRA -164.00 PmDE 96.0 SAO 16635 DM BD+62 1393
SAO
SAO 16635 DelFlag RA1950 PmRA1950 -0.0247
DE1950 PmDE1950 0.088 Vmag 7.9 SpType G0
Double code Source 2 CatNum 861 DM BD+62 1393
DMcomp B BDsup HD M HD
GC RA1950rad 3.9742876 DE1950rad 1.08292136 PmRA2000 -0.0238
PmDE2000 0.089
CCDM
Ccdm 15118+6151 RComp Comp A Note1
Note2 Discov num DRAs 2.42 DDEs 24.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp G0 PmNote *
PmRA -162 PmDE 90 Dm number +62 1393 Cat1 BD
Name2 +62 862 Cat2 AGK2/3 HD 135421 M HD
ADS BDS A 9537 M ADS BDS N IDS IDS 15099N6214A
HIC 74370
 
 
15118+6151 B
 
 
Var name BW Dra Coord arcsec 2000 151150.29+615140.5 Coord calc 151150.29+615140.5 Mag 8.81
PmRA -181.00 PmDE 93.0 Delta magnitude 0.69
CCDM
Ccdm 15118+6151 RComp Comp B Note1
Note2 Discov num STF1927 DRAs 2.15 DDEs 40.8
R dRAs 91 Year 1832 Theta 354 Rho 16.1
Obs 5 Vmag 8.6 Sp PmNote *
PmRA -160 PmDE 90 Dm number Cat1
Name2 +62 861 Cat2 AGK2/3 HD M HD
ADS BDS A 9537 M ADS BDS N IDS IDS 15099N6214B
HIC 74368
 
 
15118+6151 C
 
 
Coord arcsec 2000 151151.78+615156.3 Mag 13.4 PmRA 11.00 PmDE -7.0
Delta magnitude 5.28 Coordinate calculated yes