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Doubles in session


Current system
16240+6131
STT 312 AB
Athebyne


Nearby doubles
4' : 16235+6132
MRI 2

12' : 16238+6142
STF2054AB

19' : 16234+6149
JNN 107

27' : 16203+6130
STF2045

36' : 16191+6126
BU 41

36' : 16285+6149
LDS2729

39' : 16185+6129
LDS2375

41' : 16188+6147
LDS2376

52' : 16184+6205
LDS2374

56' : 16162+6126
MLR 49

59' : 16282+6041
COP 3

65' : 16157+6155
LDS2728

70' : 16239+6020
ES 1828

71' : 16188+6232
LDS2377

71' : 16337+6143
TOI1131

71' : 16284+6028
UC 3175

73' : 16232+6017
ES 1827

77' : 16340+6159
KPP2582

80' : 16161+6036
KPP2257

81' : 16160+6228
MLR 53

83' : 16150+6040
LDS1434

84' : 16228+6008
TDS9871

88' : 16299+6248
LDS2386

89' : 16344+6044
LDS2392

95' : 16115+6104
LDS2371

103' : 16328+6254
LDS2388



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

16240+6131 STT 312 AB (Athebyne)

 
 
16h 23m 59.51s +61° 30' 50.7" P.A. 142.00 sep 4.7 mag 2.80,8.20 Sp G8III+K1V dist. 28.23 pc (92.09 l.y.)
 
 
Coord 2000 16240+6131 Discov num STT 312 Comp AB Coord arcsec 2000 16 23 59.51 +61 30 50.7
Date first 1843 Date last 2016 Obs 77
Pa first 150 Pa last 142.3 P.A. Now (θ) 142.3°
Sep first 4.4 Sep last 4.666 Sep. Now (ρ) 4.666"
Mag pri 2.80 Mag sec 8.20 delta mag (ΔM) 5.4 Spectral class G8III+K1V (yellow/yellow-orange)
Pri motion ra -016 Sec motion ra -028
Pri motion dec +057 Sec motion dec +069
Notes N Z (See Notes, Parallax indicates components are physical)
rPM=0.228 (< 0.3, Physical double)
This double is physical.
 
 
16240+6131 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Athebyne 17074 16 23 60 +61 30 51 STT 312 AB 2016 77 142 4.7 2.80 8.20 5.40 <===
Show 17074 16 23 60 +61 30 51 STT 312 AB,C 2003 6 240 565.8 2.80 8.10 5.30
Show 17074 16 23 60 +61 30 51 BU 9008 AD 2003 3 87 111.0 2.80 13.81 11.01
Show 17074 16 23 60 +61 30 51 SMY 9002 AF 2020 6 18 362.4 2.80 11.64 8.84
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Athebyne Var name NSV7713 Dra Constellation Draco SAO 17074
HIP 80331 Tycho2 4190-02568-1 Gaia DR2 1625209684868172544 HD 148387
HR 6132 GC 22101 ADS 10058 GL Gl 624.1A
BD BD+61 1591 Bayer Eta Draconis Bayer name Eta Dra Flamsteed 14 Draconis
Flamsteed name 14 Dra Distance 28.23 Distance ly 92.09 Bayer greek η Dra
 
 
WDS 16240+6131 STT 312 AB (Athebyne) : NOTES
 
 
discov_num notes refcode
STT 312 eta Dra = 14 Dra = Athebyne. Both A and B are variable suspects.
Mk III Limb-darkened diameter 3.68 +/- 0.05 mas. MkT2001
Mk III Limb-darkened diameter 3.722 +/- 0.071 mas. MkT2003
NPOI Limb-darkened diameter 3.34 +/- 0.07 mas. NOI2001b
NPOI Limb-darkened diameter 3.470 +/- 0.010 mas, Sp = G8III, NOI2018
R = 10.53 +/- 0.04 \rsun, Teff = 5060 +/- 64 K, L = 65.6 +/- 3.3 \lsun,
M = 2.45 +/- 0.10 \msun, Age = 0.65 +/- 0.10 Gyr.
 
 
REFERENCES
 
 
refcode metd author reference
MkT2001 not j Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. 2001AJ....122.2707N
MkT2001 AJ 122, 2707, 2001 .
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
NOI2001b not j Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. 2001AJ....122.2707N
NOI2001b AJ 122, 2707, 2001 .
NOI2018 not j Baines, E.K., Armstrong, J.T., Schmitt, H.R., Zavala, R.T., Benson, J.A., Hutter, 2018AJ....155...30B
NOI2018 D.J., Tycner, C. & van Belle, G.T.
NOI2018 AJ 155, 30, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 SMY Smyth, W.H.
210 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16240+6131 STT 312 AB 1996 72 139 4.8 2.80 8.20 G8IIIab N D 162359.50+613050.0
16240+6131 STT 312 AB 2015 76 143 4.4 2.80 8.20 G8IIIab N 162359.51+613050.7
16240+6131 STT 312 AB 2016 77 142 4.7 2.80 8.20 G8IIIab N 162359.51+613050.7

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

 
 
WDS 16240+6131 STT 312 AB (Athebyne) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 20/09/13 Adam Long mean difficulty separated 140 interesting Secondary immediately apparent but not constantly visible in direct vision. Seeing good.

 
 
WDS 16240+6131 STT 312 AB (Athebyne) : MEASURES
 
 
No records found.

 
 
WDS 16240+6131 (Athebyne) : VIRTUAL EYEPIECE
 
 

16240+6131 STT 312A mag 2.8 Sp G8III 16240+6131 STT 312B sep 3.9 P.A. 159.80 mag 8.2 Sp K1V 16240+6131 STT 312C sep 367.1 P.A. 219.60 mag 8.1 Sp IIIab 16240+6131 BU 9008D sep 53.1 P.A. 84.60 mag 13.81 Sp IIIab 16240+6131 SMY9002F sep 348.8 P.A. 8.80 mag 11.64 Sp IIIab 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 16240+6131 (Athebyne) : ALADIN DSS IMAGE @ 16h 23m 59.51s +61° 30' 50.7"
 
 
 
 
WDS 16240+6131 STT 312 AB (Athebyne) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16240+6131 STT 312AB (Athebyne) distance=0' 16235+6132 MRI 2 distance=4' 16238+6142 CHR 138Aa,Ab distance=12' 16238+6142 STF2054AB distance=12' 16234+6149 JNN 107 distance=19' 16203+6130 STF2045 distance=27' 16191+6126 BU 41 distance=36' 16285+6149 LDS2729 distance=36' 16185+6129 LDS2375 distance=39' 16188+6147 LDS2376 distance=41' 16184+6205 LDS2374 distance=52' 16162+6126 MLR 49 distance=56' 16282+6041 COP 3 distance=59' 16157+6155 LDS2728 distance=65' 16239+6020 ES 1828 distance=70' 16188+6232 LDS2377 distance=71' 16337+6143 TOI1131 distance=71' 16284+6028 UC 3175 distance=71' 16232+6017 ES 1827 distance=73' 16340+6159 KPP2582 distance=77' 16161+6036 KPP2257 distance=80' 16160+6228 MLR 53 distance=81' 16150+6040 LDS1434 distance=83' 16228+6008 TDS9871 distance=84' 16150+6040 RAO 81Ba,Bb distance=85' 16299+6248 LDS2386 distance=88' 16344+6044 LDS2392 distance=89' 16115+6104 LDS2371 distance=95' 16328+6254 LDS2388 distance=103' 16360+6237 MLR 54 distance=107' 16388+6111 UC 3198 distance=108' 16309+6318 TDS9943 distance=118' 16396+6054 SKF 170 distance=119' 16391+6042 STF2092 distance=120' 16073+6155 LDS2367 distance=121' 16331+6324 STI 803 distance=130' 16324+6328 SKF1761 distance=131' 16276+5922 CBL 65 distance=132' 16269+6343 LDS2384 distance=133' 16184+5922 STI 798 distance=136' 16333+6333 LDS2390 distance=137' 16434+6120 TDS 831 distance=140' 16136+5933 HDS2295 distance=141' 16120+6326 STI 796 distance=143' 16065+6028 PKO 13 distance=143' 16103+5945 LDS2370BC distance=146' 16103+5945 LDS2370AB distance=146' 16342+6343 LDS2391 distance=149' 16266+6401 LDS2382 distance=151' 16326+5913 TDS9960 distance=153' 16354+5922 TDS9985 distance=155' 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 Athebyne 16240+6131 STT 312 AB 142 4.7
Show Athebyne 16240+6131 BU 9008 AD 87 111.0
Show Athebyne 16240+6131 SMY9002 AF 18 362.4
Show 16240+6131 STT 312 AB,C 240 565.8
Show 16235+6132 MRI 2 178 17.7 4
Show 16238+6142 CHR 138 Aa,Ab 154 0.2 12
Show 16238+6142 STF2054 AB 350 1.0 12
Show 16234+6149 JNN 107 212 0.4 19
Show 16203+6130 STF2045 186 2.2 27
Show 16191+6126 BU 41 54 2.4 36
Show 16285+6149 LDS2729 108 105.6 36
Show 16185+6129 LDS2375 228 11.8 39
Show 16188+6147 LDS2376 226 4.8 41
Show 16184+6205 LDS2374 222 4.1 52
Show 16162+6126 MLR 49 82 0.4 56
Show 16282+6041 COP 3 93 1.4 59
Show 16157+6155 LDS2728 336 47.1 65
Show 16239+6020 ES 1828 249 3.3 70
Show 16188+6232 LDS2377 319 39.4 71
Show 16337+6143 TOI1131 214 0.1 71
Show 16284+6028 UC 3175 161 8.5 71
Show 16232+6017 ES 1827 37 5.1 73
Show 16340+6159 KPP2582 291 23.4 77
Show 16161+6036 KPP2257 178 18.8 80
Show 16160+6228 MLR 53 147 1.9 81
Show 16150+6040 LDS1434 196 107.2 83
Show 16228+6008 TDS9871 119 2.6 84
Show 16150+6040 RAO 81 Ba,Bb 354 0.1 85
Show 16299+6248 LDS2386 164 18.2 88
Show 16344+6044 LDS2392 67 15.7 89
Show 16115+6104 LDS2371 83 56.3 95
Show 16328+6254 LDS2388 249 20.3 103
Show 16360+6237 MLR 54 238 1.5 107
Show 16388+6111 UC 3198 354 7.0 108
Show 16309+6318 TDS9943 195 0.7 118
Show 16396+6054 SKF 170 64 3.2 119
Show 16391+6042 STF2092 5 8.2 120
Show 16073+6155 LDS2367 339 6.4 121
Show 16331+6324 STI 803 67 11.7 130
Show 16324+6328 SKF1761 204 2.0 131
Show 16276+5922 CBL 65 322 12.7 132
Show 16269+6343 LDS2384 358 1.2 133
Show 16184+5922 STI 798 347 13.6 136
Show 16333+6333 LDS2390 336 26.5 137
Show 16434+6120 TDS 831 216 1.1 140
Show 16136+5933 HDS2295 294 0.1 141
Show 16120+6326 STI 796 129 13.0 143
Show 16065+6028 PKO 13 305 10.7 143
Show 16103+5945 LDS2370 BC 303 7.6 146
Show 16103+5945 LDS2370 AB 318 22.6 146
Show 16342+6343 LDS2391 61 4.3 149

 
 
WDS 16240+6131 : COMPONENTS
 
 
  A B C D
B pa=159.8°
sep=3.93"
 
C pa=219.6°
sep=367.15"
pa=220.1°
sep=365.19"
 
D pa=84.6°
sep=53.10"
pa=80.4°
sep=52.23"
pa=44.9°
sep=406.50"
 
F pa=8.8°
sep=348.80"
pa=8.5°
sep=352.25"
pa=24.6°
sep=690.14"
pa=0.1°
sep=339.67"
 
 
16240+6131 A
 
 
Common name Athebyne Coord arcsec 2000 162359.51+613050.7 Mag 2.8 Spectral class G8III (yellow)
PmRA -16.00 PmDE 57.0 SAO 17074 HIP 80331
Tycho2 4190-02568-1 HD 148387 HR 6132 GC 22101
BD BD+61 1591 Bayer Eta Draconis Bayer name Eta Dra Flamsteed 14 Draconis
Flamsteed name 14 Dra
Tycho2
Tycho2 4190-02568-1 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 3.850 E BTmag 0.014 VTmag 2.801
E VTmag 0.009 Prox 999 TYC T HIP 80331
CCDM RAdeg 245.99794306 DEdeg 61.51408333 EpRA 1990 1.70
EpDE 1990 1.65 E RAdeg 3.2 E DEdeg 3.3 Posflg
Corr 0.0
SAO
SAO 17074 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 0.059 Vmag 2.9 SpType G5
Double code Source 71 CatNum 615 DM BD+61 1591
DMcomp BDsup HD 148387 M HD 0
GC 22101 RA1950rad 4.29049027 DE1950rad 1.07559356 PmRA2000 -0.0024
PmDE2000 0.06
Hipparcos
Catalog H HIP 80331 Proxy RAhms 16 23 59.51
DEdms +61 30 50.7 Vmag 2.73 VarFlag R Vmag G
RAdeg 245.998 DEdeg 61.5141 AstroRef Plx 37.18
CCDM 16239+6130 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 148387 BD BD+61 1591
CD CP Dm number +61 1591 VIred 0.84
SpType G8III R SpType Coord arcsec 2000 162359.51+613050.7
Hipparcos 2
HIP 80331 Sn 5 So 0 Nc 1
RArad 4.2934740901 DErad 1.0736231529 Plx 35.42 PmRA -17.02
PmDE 56.95 E RArad 0.09 E DErad 0.09 E Plx 0.09
E pmRA 0.08 E pmDE 0.09 Hpmag 2.8717 E Hpmag 0.0005
SHp 0.004 VA 0 BV 0.91 E BV 0.001
VI 0.84
 
 
16240+6131 B
 
 
Coord arcsec 2000 162359.70+613047.0 Mag 8.2 Spectral class K1V (yellow-orange) PmRA -28.00
PmDE 69.0 Calc delta mag 5.4 Calc coord yes
 
 
16240+6131 C
 
 
Coord arcsec 2000 162326.84+612607.8 Mag 8.1 Spectral class IIIab PmRA 5.00
PmDE -7.0 Calc delta mag 5.3 Calc coord yes
 
 
16240+6131 D
 
 
Coord arcsec 2000 162406.90+613055.7 Mag 13.81 Spectral class IIIab PmRA 24.00
PmDE -5.0 Calc delta mag 11.01 Calc coord yes
 
 
16240+6131 F
 
 
Coord arcsec 2000 162406.98+613635.4 Mag 11.64 Spectral class IIIab PmRA -5.00
PmDE 25.0 Calc delta mag 8.84 Calc coord yes