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Doubles in session


Current system
12349+2238
WRH 12
23 Com


Nearby doubles
37' : 12328+2301
AG 179

49' : 12381+2257
CVR1455

53' : 12330+2324
POU3128

53' : 12382+2304
LDS4239

56' : 12374+2322
COU 392

58' : 12390+2240
KUI 60

66' : 12367+2338
A 562

67' : 12387+2318
GUR 32

68' : 12301+2223
COU2707

75' : 12303+2157
HJL1069

81' : 12406+2223
LDS4246

87' : 12363+2113
FMR 108

88' : 12391+2344
POU3129AB

92' : 12372+2112
STF1663

95' : 12280+2241
POU3127

98' : 12325+2106
STF1652

99' : 12316+2405
SDK 90AB

99' : 12281+2309
LEP 55

100' : 12403+2133
AZC 76

101' : 12403+2131
LDS 939

102' : 12326+2414
SKF1015

104' : 12280+2158
COU 53

110' : 12415+2136
LDS4249

111' : 12358+2428
LDS4233

114' : 12271+2203
SLW 723

116' : 12266+2256
POU3125



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.

12349+2238 WRH 12 (23 Com)

 
 
12h 34m 51.12s +22° 37' 45.1" P.A. 8.00 sep 0.4 mag 4.96,6.90 Sp A0IV dist. 95.06 pc (310.09 l.y.)
 
 
Coord 2000 12349+2238 Discov num WRH  12 Comp Coord arcsec 2000 12 34 51.12 +22 37 45.1
Date first 1937 Date last 2020 Obs 108
Pa first 90 Pa last 8 P.A. Now (θ) 7.1°
Sep first 0.2 Sep last 0.352 Sep. Now (ρ) 0.293"
Mag pri 4.96 Mag sec 6.90 delta mag (ΔM) 1.94 Spectral class A0IV (white)
Pri motion ra -065 Sec motion ra
Pri motion dec +021 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 23 Com Constellation Coma Berenices SAO 82390 HIP 61394
Tycho2 1990-03784-1 Gaia DR2 3958719258494268288 HD 109485 HR 4789
GC 17142 BD BD+23 2475 Flamsteed 23 Comae Berenices Flamsteed name 23 Com
FK5 1323 Distance 95.06 Distance ly 310.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)36y Periastron (T)1960.81y Semi-major axis (a)0.192a
Eccentricity (e)0.91 Inclination (i)119.1° Longitude of periastron (ω)14.7°
Node (Ω)199.9° Notesn ReferenceHrt2014b
Equinox2000 Last observation2008 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 26.1 0.170
2001 23.9 0.202
2002 22.3 0.230
2003 21.1 0.254
2004 20.0 0.274
2005 19.1 0.291
2006 18.2 0.307
2007 17.5 0.319
2008 16.8 0.330
2009 16.1 0.339
2010 15.5 0.346
2011 14.9 0.352
2012 14.3 0.355
2013 13.7 0.358
2014 13.1 0.358
2015 12.5 0.357
2016 11.9 0.355
2017 11.3 0.351
2018 10.7 0.345
2019 10.1 0.338
2020 9.4 0.330
2021 8.7 0.319
2022 8.0 0.307
2023 7.1 0.293
2024 6.2 0.277
2025 5.2 0.259
2026 4.0 0.239
2027 2.6 0.216
2028 0.8 0.190
2029 358.3 0.161
2030 354.7 0.127


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds12349%2B2238b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 12349+2238 WRH 12 (23 Com) : NOTES
 
 
discov_num notes refcode
WRH 12 23 Com. A spectroscopic binary.
Additional notes may be found in Wilson (1941). WRH1941b
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 8.26 +/- 4.61, 3.95, and 2.46 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2014b orb - Hartkopf, W.I. & Mason, B.D. 2014IAUDS.184....1H
Hrt2014b Inf. Circ. 184, 1, 2014
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
WRH1941b J - Wilson, R.H. 1941PFAO....6b...1W
WRH1941b +Ma Pub. Univ. Penn. 6, Pt.4, 21, 1941
WRH1941b (U and T coded observations per van den Bos, J Obs 34, 85, 1951) 1951JO.....34...85V
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12349+2238 WRH 12 2004 98 20 0.3 4.96 6.90 A0IV NO 123451.12+223745.1
12349+2238 WRH 12 2007 99 17 0.3 4.96 6.90 A0IV NO 123451.12+223745.1
12349+2238 WRH 12 2008 103 16 0.3 4.96 6.90 A0IV NOD 123451.12+223745.1
12349+2238 WRH 12 2014 105 11 0.4 4.96 6.90 A0IV NO 123451.12+223745.1
12349+2238 WRH 12 2016 107 12 0.3 4.96 6.90 A0IV NO 123451.12+223745.1
12349+2238 WRH 12 2020 108 8 0.4 4.96 6.90 A0IV NO 123451.12+223745.1

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

 
 
WDS 12349+2238 WRH 12 (23 Com) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12349+2238 WRH 12 (23 Com) : MEASURES
 
 
No records found.

 
 
WDS 12349+2238 (23 Com) : VIRTUAL EYEPIECE
 
 

12349+2238 WRH 12A mag 4.96 Sp A0IV 12349+2238 WRH 12B sep 0.3 P.A. 7.40 mag 6.9 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 12349+2238 (23 Com) : ALADIN DSS IMAGE @ 12h 34m 51.12s +22° 37' 45.1"
 
 
 
 
WDS 12349+2238 WRH 12 (23 Com) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12349+2238 WRH 12 distance=0' 12328+2301 AG 179 distance=37' 12381+2257 CVR1455 distance=49' 12330+2324 POU3128 distance=53' 12382+2304 LDS4239 distance=53' 12374+2322 COU 392 distance=56' 12390+2240 KUI 60 distance=58' 12367+2338 A 562 distance=66' 12387+2318 GUR 32 distance=67' 12301+2223 COU2707 distance=68' 12303+2157 HJL1069 distance=75' 12406+2223 LDS4246 distance=81' 12363+2113 FMR 108 distance=87' 12391+2344 POU3129BC distance=88' 12391+2344 POU3129AB distance=88' 12372+2112 STF1663 distance=92' 12280+2241 POU3127 distance=95' 12325+2106 STF1652 distance=98' 12316+2405 SDK 90AB distance=99' 12316+2405 SDK 90AC distance=99' 12316+2405 SKF1478BD distance=99' 12281+2309 LEP 55 distance=99' 12403+2133 AZC 76 distance=100' 12403+2131 LDS 939 distance=101' 12326+2414 SKF1015 distance=102' 12280+2158 COU 53 distance=104' 12415+2136 LDS4249 distance=110' 12358+2428 LDS4233 distance=111' 12271+2203 SLW 723 distance=114' 12266+2256 POU3125 distance=116' 12418+2132 SLW 760 distance=117' 12380+2431 SLW 748 distance=122' 12282+2117 LDS4212 distance=123' 12258+2247 SHN 157 distance=126' 12386+2043 HDS1771 distance=126' 12315+2437 STF1650 distance=128' 12346+2447 SKF1850 distance=130' 12350+2026 CBL 385 distance=132' 12339+2448 UC 2358 distance=132' 12401+2049 OSO 47AB distance=132' 12401+2049 OSO 47AC distance=132' 12276+2111 SLW 725 distance=134' 12402+2430 POU3130 distance=135' 12358+2023 SLW 739 distance=135' 12341+2453 SDK 95AB distance=136' 12341+2453 SKF1480AC distance=136' 12269+2359 POU3126 distance=137' 12444+2200 HDS1783 distance=138' 12431+2117 LDS5758 distance=140' 12375+2453 CVR1454 distance=140' 12424+2413 SLW 762 distance=141' 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 12349+2238 WRH 12 8 0.4
Show 12328+2301 AG 179 142 1.0 37
Show 12381+2257 CVR1455 345 3.3 49
Show 12330+2324 POU3128 52 10.4 53
Show 12382+2304 LDS4239 111 185.5 53
Show 12374+2322 COU 392 335 2.1 56
Show 12390+2240 KUI 60 228 34.2 58
Show 12367+2338 A 562 7 3.7 66
Show 12387+2318 GUR 32 142 0.8 67
Show 12301+2223 COU2707 341 14.4 68
Show 12303+2157 HJL1069 312 115.4 75
Show 12406+2223 LDS4246 253 116.7 81
Show 12363+2113 FMR 108 311 37.1 87
Show 12391+2344 POU3129 BC 59 4.8 88
Show 12391+2344 POU3129 AB 137 13.3 88
Show 12372+2112 STF1663 65 0.5 92
Show 12280+2241 POU3127 152 7.4 95
Show 12325+2106 STF1652 178 6.1 98
Show 12316+2405 SDK 90 AB 58 32.5 99
Show 12316+2405 SDK 90 AC 179 38.3 99
Show 12316+2405 SKF1478 BD 202 13.7 99
Show 12281+2309 LEP 55 233 54.4 99
Show 12403+2133 AZC 76 98 14.9 100
Show 12403+2131 LDS 939 91 83.1 101
Show 12326+2414 SKF1015 302 28.0 102
Show 12280+2158 COU 53 216 2.5 104
Show 12415+2136 LDS4249 30 6.6 110
Show 12358+2428 LDS4233 22 169.0 111
Show 12271+2203 SLW 723 57 9.3 114
Show 12266+2256 POU3125 333 9.5 116
Show 12418+2132 SLW 760 183 25.7 117
Show 12380+2431 SLW 748 91 13.9 122
Show 12282+2117 LDS4212 317 20.2 123
Show 12258+2247 SHN 157 -1 0.3 126
Show 12386+2043 HDS1771 110 0.3 126
Show 12315+2437 STF1650 178 16.6 128
Show 12346+2447 SKF1850 189 9.5 130
Show 12350+2026 CBL 385 192 32.2 132
Show 12339+2448 UC 2358 258 41.7 132
Show 12401+2049 OSO 47 AB 35 14.7 132
Show 12401+2049 OSO 47 AC 109 112.6 132
Show 12276+2111 SLW 725 182 10.9 134
Show 12402+2430 POU3130 104 11.5 135
Show 12358+2023 SLW 739 229 18.6 135
Show 12341+2453 SDK 95 AB 343 5.4 136
Show 12341+2453 SKF1480 AC 126 2.3 136
Show 12269+2359 POU3126 348 14.0 137
Show 12444+2200 HDS1783 112 0.3 138
Show 12431+2117 LDS5758 137 12.9 140
Show 12375+2453 CVR1454 341 3.3 140
Show 12424+2413 SLW 762 141 24.2 141

 
 
WDS 12349+2238 : COMPONENTS
 
 
  A
B pa=7.4°
sep=0.35"
 
 
12349+2238 A
 
 
Componente originario normalizzato AB Name 23 Com Coord arcsec 2000 123451.12+223745.1 Mag 4.96
Spectral class A0IV (white) PmRA -65.00 PmDE 21.0 SAO 82390
HIP 61394 Tycho2 1990-03784-1 HD 109485 HR 4789
GC 17142 BD BD+23 2475 Flamsteed 23 Comae Berenices Flamsteed name 23 Com
FK5 1323
Tycho2
Tycho2 1990-03784-1 Pflag RAmdeg 188.71282870 DEmdeg 22.62924164
PmRA -62.3 PmDE 21.8 E RAmdeg 3 E DEmdeg 3
E pmRA 0.6 E pmDE 0.6 EpRAm 1991.35 EpDEm 1991.37
Num 24 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.2
Q pmDE 1.2 BTmag 4.778 E BTmag 0.014 VTmag 4.773
E VTmag 0.009 Prox 999 TYC T HIP 61394
CCDM AB RAdeg 188.71298278 DEdeg 22.62919167 EpRA 1990 1.79
EpDE 1990 1.77 E RAdeg 3.3 E DEdeg 3.4 Posflg P
Corr 0.3
SAO
SAO 82390 DelFlag RA1950 PmRA1950 -0.0049
DE1950 PmDE1950 0.016 Vmag 4.8 SpType A0
Double code Source 74 CatNum 1323 DM BD+23 2475
DMcomp BDsup HD 109485 M HD 0
GC 17142 RA1950rad 3.28279233 DE1950rad 0.39975521 PmRA2000 -0.0049
PmDE2000 0.02
Hipparcos
Catalog H HIP 61394 Proxy H RAhms 12 34 51.12
DEdms +22 37 45.1 Vmag 4.8 VarFlag R Vmag G
RAdeg 188.713 DEdeg 22.6292 AstroRef * Plx 8.94
CCDM 12349+2238 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 3 Rho 0.211 HD 109485 BD BD+23 2475
CD CP Dm number +23 2475 VIred 0.03
SpType A0IV R SpType Coord arcsec 2000 123451.12+223745.1
Hipparcos 2
HIP 61394 Sn 55 So 3 Nc 2
RArad 3.2936630311 DErad 0.3949538655 Plx 10.52 PmRA -58.89
PmDE 28.31 E RArad 0.47 E DErad 0.37 E Plx 0.52
E pmRA 0.58 E pmDE 0.37 Hpmag 4.7908 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.012 E BV 0.015
VI 0.03
CCDM
Ccdm 12349+2238 RComp Comp A Note1
Note2 Discov num DRAs -2.96 DDEs -15.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.8 Sp A0 PmNote *
PmRA -67 PmDE 16 Dm number +23 2475 Cat1 BD
Name2 +22 1328 Cat2 AGK2/3 HD 109485 M HD
ADS BDS M ADS BDS N IDS IDS 12301N2310A
HIC 61394
 
 
12349+2238 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123451.12+223745.4 Mag 6.9 Calc delta mag 1.94
Calc coord yes
CCDM
Ccdm 12349+2238 RComp Comp B Note1
Note2 Discov num WRH DRAs DDEs
R dRAs Year 1937 Theta 090 Rho 0.2
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 12301N2310B
HIC 61394