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Doubles in session


Current system
12207+1748
HO 52
11 Com


Nearby doubles
20' : 12194+1744
A 2059

38' : 12229+1725
GIC 107

43' : 12226+1819
TDS8355

47' : 12175+1741
SLW 704

48' : 12190+1828
COU 182

52' : 12172+1737
COU 180

54' : 12181+1826
COU 181AB

70' : 12230+1851
LDS1302

73' : 12204+1857
LDS1293

79' : 12191+1633
JNN 241

81' : 12162+1834
GWP1780AB

91' : 12179+1627
LIM 4

98' : 12231+1617
LDS1303

99' : 12143+1712
TVB 251

99' : 12193+1924
HJ 2607

118' : 12211+1550
SKF1848

124' : 12284+1652
SHN 158

125' : 12279+1637
CVR1435

127' : 12216+1955
LDS1297

134' : 12197+2001
LDS1292

139' : 12127+1631
BPM 588

139' : 12165+1953
CVR1421

142' : 12302+1713
GRV 856

146' : 12149+1947
COU 178

146' : 12110+1704
BPM 587

150' : 12199+1519
LDS 936



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12207+1748 HO 52 (11 Com)

 
 
12h 20m 43.02s +17° 47' 34.3" P.A. 42.00 sep 9.3 mag 4.74,12.90 Sp G8III dist. 88.89 pc (289.96 l.y.)
 
 
Coord 2000 12207+1748 Discov num HO   52 Comp Coord arcsec 2000 12 20 43.02 +17 47 34.3
Date first 1883 Date last 2020 Obs 18
Pa first 44 Pa last 41.6 P.A. Now (θ) 41.6°
Sep first 9.1 Sep last 9.25 Sep. Now (ρ) 9.25"
Mag pri 4.74 Mag sec 12.90 delta mag (ΔM) 8.16 Spectral class G8III (yellow)
Pri motion ra -111 Sec motion ra
Pri motion dec +092 Sec motion dec
Notes N T (See Notes, Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 11 Com Constellation Coma Berenices SAO 100053 HIP 60202
Tycho2 1445-02560-1 Gaia DR2 3946945413106333696 HD 107383 HR 4697
GC 16835 ADS 8521 BD BD+18 2592 Flamsteed 11 Comae Berenices
Flamsteed name 11 Com FK5 2987 Distance 88.89 Distance ly 289.96
 
 
WDS 12207+1748 HO 52 (11 Com) : NOTES
 
 
discov_num notes refcode
HO 52 11 Com.
CHARA Array Limb-darkened diameter 1.651 +/- 0.016 mas, CIA2014b
R = 15.781 +/- 0.3444 \rsun, T = 4705 +/- 24 K,
L = 109.51 +/- 4.3256 \lsun.
 
 
REFERENCES
 
 
refcode metd author reference
CIA2014b not j von Braun, K., Boyajian, T.S., van Belle, G.T., Kane, S.R., Jones, J., Farrington, 2016MNRAS.438.2413B
CIA2014b C., Schaefer, G., Vargas, N., Scott, N., ten Brummelaar, T.A., Kephart, M., Gies, .
CIA2014b D.R., Ciardi, D.R., Lopez-Morales, M., Mazingue, C., McAlister, H.A., Ridgway, S., .
CIA2014b Goldfinger, P.J., Turner, N.H. & Sturmann, L. .
CIA2014b MNRAS 438, 2413, 2014 .
 
 
DISCOVERER
 
 
idgroup discov author
1 HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12207+1748 HO 52 2007 13 44 8.8 4.74 12.90 G8III N D 122043.09+174733.6
12207+1748 HO 52 2015 15 43 9.4 4.74 12.90 G8III N 122043.02+174734.3
12207+1748 HO 52 2020 16 42 9.3 4.74 12.90 G8III N 122043.02+174734.3

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

 
 
WDS 12207+1748 HO 52 (11 Com) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12207+1748 HO 52 (11 Com) : MEASURES
 
 
No records found.

 
 
WDS 12207+1748 (11 Com) : VIRTUAL EYEPIECE
 
 

12207+1748 HO 52A mag 4.74 Sp G8III 12207+1748 HO 52B sep 9.1 P.A. 40.20 mag 12.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12207+1748 (11 Com) : ALADIN DSS IMAGE @ 12h 20m 43.02s +17° 47' 34.3"
 
 
 
 
WDS 12207+1748 HO 52 (11 Com) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12207+1748 HO 52 distance=1' 12194+1744 A 2059 distance=20' 12229+1725 GIC 107 distance=38' 12226+1819 TDS8355 distance=43' 12175+1741 SLW 704 distance=47' 12190+1828 COU 182 distance=48' 12172+1737 COU 180 distance=52' 12181+1826 COU 181AB distance=54' 12230+1851 LDS1302 distance=70' 12204+1857 LDS1293 distance=73' 12191+1633 JNN 241 distance=79' 12162+1834 GWP1780AB distance=81' 12179+1627 LIM 4 distance=91' 12231+1617 LDS1303 distance=98' 12143+1712 TVB 251 distance=99' 12193+1924 HJ 2607 distance=99' 12211+1550 SKF1848 distance=118' 12284+1652 SHN 158 distance=124' 12279+1637 CVR1435 distance=125' 12216+1955 LDS1297 distance=127' 12197+2001 LDS1292 distance=134' 12127+1631 BPM 588 distance=139' 12165+1953 CVR1421 distance=139' 12302+1713 GRV 856 distance=142' 12149+1947 COU 178 distance=146' 12110+1704 BPM 587 distance=146' 12199+1519 LDS 936 distance=150' 12156+1536 CVR 646 distance=151' 12100+1846 LDS 931 distance=153' 12235+2017 LSC 144 distance=155' 12251+1526 LDS1305 distance=156' 12105+1649 CHR 135 distance=158' 12319+1710 LDS1315 distance=165' 12177+1509 UC 2310 distance=165' 12102+1858 A 2057 distance=166' 12307+1913 GWP1820 distance=166' 12101+1859 LEP 51AC distance=168' 12101+1859 LSC 143AB distance=168' 12324+1717 BPM 592 distance=171' 12179+1502 LDS4199 distance=172' 12105+1616 GWP1759 distance=173' 12316+1631 BPM 591 distance=175' 12322+1648 A 2060 distance=175' 12236+1457 HJ 208 distance=176' 12313+1619 GWP1822 distance=177' 12165+1501 ZIE 9 distance=178' 12085+1651 TDS8244 distance=184' 12156+1454 HJ 3337 distance=189' 12088+1622 J 2102 distance=193' 12076+1657 GWP1751 distance=195' 12203+2106 UC 2318 distance=200' 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 12207+1748 HO 52 42 9.3 1
Show 12194+1744 A 2059 43 0.5 20
Show 12229+1725 GIC 107 261 6.1 38
Show 12226+1819 TDS8355 81 0.5 43
Show 12175+1741 SLW 704 234 69.9 47
Show 12190+1828 COU 182 51 4.2 48
Show 12172+1737 COU 180 275 7.5 52
Show 12181+1826 COU 181 AB 148 9.4 54
Show 12230+1851 LDS1302 89 22.7 70
Show 12204+1857 LDS1293 216 122.8 73
Show 12191+1633 JNN 241 216 6.3 79
Show 12162+1834 GWP1780 AB 358 32.0 81
Show 12179+1627 LIM 4 9 0.9 91
Show 12231+1617 LDS1303 134 4.5 98
Show 12143+1712 TVB 251 318 2.3 99
Show 12193+1924 HJ 2607 253 16.6 99
Show 12211+1550 SKF1848 82 2.5 118
Show 12284+1652 SHN 158 -1 0.1 124
Show 12279+1637 CVR1435 162 4.8 125
Show 12216+1955 LDS1297 203 4.6 127
Show 12197+2001 LDS1292 58 2.2 134
Show 12127+1631 BPM 588 349 112.7 139
Show 12165+1953 CVR1421 156 3.8 139
Show 12302+1713 GRV 856 242 8.7 142
Show 12149+1947 COU 178 319 1.2 146
Show 12110+1704 BPM 587 53 83.3 146
Show 12199+1519 LDS 936 129 43.0 150
Show 12156+1536 CVR 646 195 13.5 151
Show 12100+1846 LDS 931 140 43.1 153
Show 12235+2017 LSC 144 238 0.1 155
Show 12251+1526 LDS1305 92 20.4 156
Show 12105+1649 CHR 135 177 0.3 158
Show 12319+1710 LDS1315 90 10.0 165
Show 12177+1509 UC 2310 282 47.5 165
Show 12102+1858 A 2057 298 1.9 166
Show 12307+1913 GWP1820 82 15.8 166
Show 12101+1859 LEP 51 AC 110 82.1 168
Show 12101+1859 LSC 143 AB 143 1.8 168
Show 12324+1717 BPM 592 25 102.2 171
Show 12179+1502 LDS4199 169 134.4 172
Show 12105+1616 GWP1759 336 79.2 173
Show 12316+1631 BPM 591 105 58.6 175
Show 12322+1648 A 2060 226 0.7 175
Show 12236+1457 HJ 208 196 14.5 176
Show 12313+1619 GWP1822 54 17.6 177
Show 12165+1501 ZIE 9 304 1.0 178
Show 12085+1651 TDS8244 143 0.5 184
Show 12156+1454 HJ 3337 170 39.8 189
Show 12088+1622 J 2102 301 2.7 193
Show 12076+1657 GWP1751 263 12.1 195
Show 12203+2106 UC 2318 123 26.1 200

 
 
WDS 12207+1748 : COMPONENTS
 
 
  A
B pa=40.2°
sep=9.06"
 
 
12207+1748 A
 
 
Componente originario normalizzato AB Name 11 Com Coord arcsec 2000 122043.02+174734.3 Mag 4.74
Spectral class G8III (yellow) PmRA -111.00 PmDE 92.0 SAO 100053
HIP 60202 Tycho2 1445-02560-1 HD 107383 HR 4697
GC 16835 BD BD+18 2592 Flamsteed 11 Comae Berenices Flamsteed name 11 Com
FK5 2987
Tycho2
Tycho2 1445-02560-1 Pflag RAmdeg 185.17927905 DEmdeg 17.79287347
PmRA -108.8 PmDE 90.5 E RAmdeg 3 E DEmdeg 4
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.56 EpDEm 1991.22
Num 16 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.5
Q pmDE 0.7 BTmag 5.993 E BTmag 0.014 VTmag 4.835
E VTmag 0.009 Prox 999 TYC T HIP 60202
CCDM RAdeg 185.17954222 DEdeg 17.79265972 EpRA 1990 1.71
EpDE 1990 1.49 E RAdeg 3.3 E DEdeg 3.6 Posflg
Corr 0.2
SAO
SAO 100053 DelFlag RA1950 PmRA1950 -0.0079
DE1950 PmDE1950 0.084 Vmag 4.9 SpType K0
Double code Source 70 CatNum 16835 DM BD+18 2592
DMcomp BDsup HD 107383 M HD 0
GC 16835 RA1950rad 3.22096732 DE1950rad 0.31536293 PmRA2000 -0.0079
PmDE2000 0.089
Hipparcos
Catalog H HIP 60202 Proxy RAhms 12 20 43.09
DEdms +17 47 33.6 Vmag 4.72 VarFlag R Vmag H
RAdeg 185.18 DEdeg 17.7927 AstroRef Plx 9.04
CCDM 12207+1748 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 107383 BD BD+18 2592
CD CP Dm number +18 2592 VIred 1.02
SpType G8III R SpType Coord arcsec 2000 122043.09+174733.6
Hipparcos 2
HIP 60202 Sn 5 So 0 Nc 1
RArad 3.2319929421 DErad 0.3105403765 Plx 11.25 PmRA -108.81
PmDE 89.44 E RArad 0.17 E DErad 0.14 E Plx 0.22
E pmRA 0.29 E pmDE 0.14 Hpmag 4.8881 E Hpmag 0.0006
SHp 0.006 VA 0 BV 1.01 E BV 0.001
VI 1.02
CCDM
Ccdm 12207+1748 RComp Comp A Note1
Note2 Discov num DRAs 0.99 DDEs -26.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.9 Sp K0 PmNote *
PmRA -116 PmDE 80 Dm number +18 2592 Cat1 BD
Name2 +18 1179 Cat2 AGK2/3 HD 107383 M HD
ADS BDS A 8521 M ADS BDS N IDS IDS 12157N1821A
HIC 60202
 
 
12207+1748 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 122043.43+174741.2 Mag 12.9 Calc delta mag 8.16
Calc coord yes
CCDM
Ccdm 12207+1748 RComp Comp B Note1
Note2 Discov num HO 52 DRAs 1.45 DDEs -19.2
R dRAs 90 Year 1883 Theta 044 Rho 9.1
Obs 11 Vmag 12.9 Sp PmNote *
PmRA -109 PmDE 85 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8521 M ADS BDS N IDS IDS 12157N1821B
HIC 60202