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Current system
12519+1910
STF 1685 AB
HD 111844


Nearby doubles
31' : 12530+1935
J 2087

31' : 12531+1936
TOK 152

42' : 12494+1931
TDS 679

48' : 12551+1925
GWP1878

70' : 12479+1832
LDS4273

71' : 12483+1821
SLW 776

73' : 12553+2005
LDS2890

74' : 12524+1757
KRW 1

79' : 12573+1925
SLN 73

84' : 12507+2032
HU 640AB

85' : 12575+1842
BGH 5

85' : 12561+2011
TDS8597

87' : 12534+1758
HJ 218

98' : 12452+1927
SLW 767

109' : 12496+2053
LDS5760

115' : 12531+1717
TDS8569

116' : 12595+2000
LDS2894

121' : 12598+1957
SLW 806

126' : 12533+2115
STF1687AB

126' : 12522+1704
STFA 23AB

127' : 12569+2056
AZC 78

129' : 12566+2101
HO 538AB

140' : 12573+1713
SLE 907

142' : 12422+1840
GWP1850

143' : 12461+1715
A 2061

144' : 12599+1743
GWP1887



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.

12519+1910 STF 1685 AB (HD 111844)

 
 
12h 51m 54.80s +19° 10' 19.9" P.A. 202.00 sep 16.0 mag 7.31,7.78 Sp Am+F8III dist. 221.24 pc (721.68 l.y.)
 
 
Coord 2000 12519+1910 Discov num STF1685 Comp AB Coord arcsec 2000 12 51 54.80 +19 10 19.9
Date first 1782 Date last 2018 Obs 103
Pa first 202 Pa last 202.1 P.A. Now (θ) 202.1°
Sep first 15.9 Sep last 16 Sep. Now (ρ) 16"
Mag pri 7.31 Mag sec 7.78 delta mag (ΔM) 0.47 Spectral class Am+F8III (white/yellow-white)
Pri motion ra -084 Sec motion ra -076
Pri motion dec +015 Sec motion dec +007
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.133 (< 0.3, Physical double)
This double is physical.
 
 
12519+1910 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 111844 100307 12 51 55 +19 10 20 STF 1685 AB 2018 103 202 16.0 7.31 7.78 0.47 <===
Show 100307 12 51 55 +19 10 20 SHJ 153 AC 2015 32 328 241.7 7.31 8.22 0.91
Show 100306 12 51 54 +19 10 05 SHJ 153 BC 2015 25 331 251.3 7.78 8.22 0.44
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 111844 Constellation Coma Berenices SAO 100307 HIP 62783
Tycho2 1452-00905-1 Gaia DR2 3941893122816644224 HD 111844 GC 17458
ADS 8690 BD BD+19 2613 Distance 221.24 Distance ly 721.68
 
 
WDS 12519+1910 STF 1685 AB (HD 111844) : NOTES
 
 
discov_num notes refcode
STF1685 AB: HJL 173. HJL1986
AB: H 4 58. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
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)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 SHJ South, J. & Herschel, J.
18 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12519+1910 STF1685 AB 2005 86 202 16.0 7.31 7.78 Am+F8III DV 125154.80+191019.9
12519+1910 STF1685 AB 2007 87 202 16.0 7.31 7.78 Am+F8III N DV 125154.80+191019.9
12519+1910 STF1685 AB 2011 90 201 16.0 7.31 7.78 Am F8III NVD 125154.80+191019.9
12519+1910 STF1685 AB 2012 92 202 15.8 7.31 7.78 Am F8III NVD 125154.80+191019.9
12519+1910 STF1685 AB 2013 95 201 15.8 7.31 7.78 Am F8III NVD 125154.80+191019.9
12519+1910 STF1685 AB 2014 96 201 16.0 7.31 7.78 Am+F8III NVD 125154.80+191019.9
12519+1910 STF1685 AB 2015 97 200 15.8 7.31 7.78 Am+F8III NVD 125154.80+191019.9
12519+1910 STF1685 AB 2018 103 202 16.0 7.31 7.78 Am+F8III NV 125154.80+191019.9

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

 
 
WDS 12519+1910 STF 1685 AB (HD 111844) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/05/02 Daedalus1 mean difficulty separated 202   Primary brighter. Companion seems dull in comparison. 'C' component easily visible.

 
 
WDS 12519+1910 STF 1685 AB (HD 111844) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/05/02 Daedalus1 mean difficulty 15.98 0.04 202.00 0.00 0.45 12 Seeing: Pickering 4, poor.
 
 
WDS 12519+1910 (HD 111844) : VIRTUAL EYEPIECE
 
 

12519+1910 STF1685A mag 7.31 Sp Am 12519+1910 SHJ 153B sep 16.0 P.A. 201.30 mag 7.78 Sp F8V 12519+1910 SHJ 153C sep 237.8 P.A. 329.00 mag 8.22 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 12519+1910 (HD 111844) : ALADIN DSS IMAGE @ 12h 51m 54.80s +19° 10' 19.9"
 
 
 
 
WDS 12519+1910 STF 1685 AB (HD 111844) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12519+1910 STF1685AB distance=0' 12519+1910 SHJ 153BC distance=1' 12530+1935 J 2087 distance=31' 12531+1936 TOK 152 distance=31' 12494+1931 TDS 679 distance=42' 12551+1925 GWP1878 distance=48' 12479+1832 LDS4273 distance=70' 12483+1821 SLW 776 distance=71' 12553+2005 LDS2890 distance=73' 12524+1757 KRW 1 distance=74' 12573+1925 SLN 73 distance=79' 12507+2032 HU 640AB distance=84' 12507+2032 TOK 561AC distance=84' 12575+1842 BGH 5 distance=85' 12561+2011 TDS8597 distance=85' 12534+1758 HJ 218 distance=87' 12452+1927 SLW 767 distance=98' 12496+2053 LDS5760 distance=109' 12531+1717 TDS8569 distance=115' 12595+2000 LDS2894 distance=116' 12598+1957 SLW 806 distance=121' 12533+2115 STF1687AB distance=126' 12533+2115 STF1687AC distance=126' 12522+1704 STFA 23AB distance=126' 12522+1704 STFA 23AC distance=126' 12569+2056 AZC 78 distance=127' 12566+2101 HO 538AB distance=129' 12566+2101 LDS2891AC distance=129' 13006+1822 BU 112BC distance=133' 13006+1822 BU 112A,BC distance=133' 12573+1713 SLE 907 distance=140' 12422+1840 GWP1850 distance=142' 12461+1715 A 2061 distance=143' 12599+1743 GWP1887 distance=144' 13020+1857 SLW 812 distance=144' 12559+1653 BPM 599 distance=149' 12433+1734 BPM 596 distance=156' 12409+1855 GWP1845 distance=157' 13013+1748 COU 297 distance=157' 12492+2147 STF1680 distance=161' 12440+2110 STT 253 distance=164' 12494+1628 SLE 904 distance=167' 13023+2028 J 2089 distance=168' 12599+2115 SLW 807 distance=169' 12569+2144 DBR 309 distance=170' 12540+1623 HEI 162 distance=171' 13042+1924 STF1715 distance=175' 12515+2207 LDS 940AB distance=177' 12515+2207 RAO 284AC distance=177' 12514+2206 CFN 10 distance=177' 12394+1918 TDS8472 distance=177' 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 12519+1910 STF1685 AB 202 16.0
Show 12519+1910 SHJ 153 AC 328 241.7
Show 12519+1910 SHJ 153 BC 331 251.3 1
Show 12530+1935 J 2087 164 6.7 31
Show 12531+1936 TOK 152 321 10.8 31
Show 12494+1931 TDS 679 168 1.1 42
Show 12551+1925 GWP1878 41 26.8 48
Show 12479+1832 LDS4273 123 132.1 70
Show 12483+1821 SLW 776 229 153.5 71
Show 12553+2005 LDS2890 121 116.6 73
Show 12524+1757 KRW 1 156 6.7 74
Show 12573+1925 SLN 73 173 12.2 79
Show 12507+2032 HU 640 AB 259 0.5 84
Show 12507+2032 TOK 561 AC 119 999.9 84
Show 12575+1842 BGH 5 222 82.0 85
Show 12561+2011 TDS8597 344 0.5 85
Show 12534+1758 HJ 218 277 12.9 87
Show 12452+1927 SLW 767 101 132.9 98
Show 12496+2053 LDS5760 159 11.1 109
Show 12531+1717 TDS8569 43 1.6 115
Show 12595+2000 LDS2894 115 42.6 116
Show 12598+1957 SLW 806 117 39.9 121
Show 12533+2115 STF1687 AB 203 1.2 126
Show 12533+2115 STF1687 AC 127 28.5 126
Show 12522+1704 STFA 23 AB 51 196.3 126
Show 12522+1704 STFA 23 AC 262 905.4 126
Show 12569+2056 AZC 78 308 11.9 127
Show 12566+2101 HO 538 AB 98 1.9 129
Show 12566+2101 LDS2891 AC 244 35.3 129
Show 13006+1822 BU 112 BC 299 2.1 133
Show 13006+1822 BU 112 A,BC 138.5 133
Show 12573+1713 SLE 907 176 15.0 140
Show 12422+1840 GWP1850 37 26.2 142
Show 12461+1715 A 2061 194 1.2 143
Show 12599+1743 GWP1887 314 33.7 144
Show 13020+1857 SLW 812 38 54.4 144
Show 12559+1653 BPM 599 89 51.3 149
Show 12433+1734 BPM 596 281 42.4 156
Show 12409+1855 GWP1845 106 24.1 157
Show 13013+1748 COU 297 188 0.3 157
Show 12492+2147 STF1680 335 2.9 161
Show 12440+2110 STT 253 238 6.5 164
Show 12494+1628 SLE 904 171 13.6 167
Show 13023+2028 J 2089 223 6.8 168
Show 12599+2115 SLW 807 43 9.1 169
Show 12569+2144 DBR 309 315 2.9 170
Show 12540+1623 HEI 162 132 0.9 171
Show 13042+1924 STF1715 231 7.3 175
Show 12515+2207 LDS 940 AB 53 84.7 177
Show 12515+2207 RAO 284 AC 90 1.3 177
Show 12514+2206 CFN 10 92 1.3 177

 
 
WDS 12519+1910 : COMPONENTS
 
 
  A B
B pa=201.3°
sep=15.99"
 
C pa=329.0°
sep=237.85"
pa=331.9°
sep=247.95"
 
 
12519+1910 A
 
 
Name HD 111844 Coord arcsec 2000 125154.80+191019.9 Mag 7.31 Spectral class Am (white)
PmRA -84.00 PmDE 15.0 SAO 100307 HIP 62783
Tycho2 1452-00905-1 HD 111844 GC 17458 ADS 8690
BD BD+19 2613
Tycho2
Tycho2 1452-00905-1 Pflag RAmdeg 192.97837131 DEmdeg 19.17218884
PmRA -75.4 PmDE 6.3 E RAmdeg 4 E DEmdeg 5
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.66 EpDEm 1991.43
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.7
Q pmDE 0.4 BTmag 7.640 E BTmag 0.015 VTmag 7.306
E VTmag 0.011 Prox 160 TYC T HIP 62783
CCDM A RAdeg 192.97855500 DEdeg 19.17217417 EpRA 1990 1.71
EpDE 1990 1.52 E RAdeg 4.4 E DEdeg 5.0 Posflg
Corr 0.3
SAO
SAO 100307 DelFlag RA1950 PmRA1950 -0.0056
DE1950 PmDE1950 0.003 Vmag 7.7 SpType F2
Double code Source 70 CatNum 17458 DM BD+19 2613
DMcomp A BDsup HD 111844 M HD 0
GC 17458 RA1950rad 3.35731855 DE1950rad 0.33935553 PmRA2000 -0.0056
PmDE2000 0.008
Hipparcos
Catalog H HIP 62783 Proxy RAhms 12 51 54.85
DEdms +19 10 19.8 Vmag 7.29 VarFlag R Vmag H
RAdeg 192.979 DEdeg 19.1722 AstroRef A Plx -12.61
CCDM 12519+1912 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 111844 BD BD+19 2613
CD CP Dm number +19 2613 VIred 0.64
SpType A8IVp R SpType Coord arcsec 2000 125154.85+191019.8
Hipparcos 2
HIP 62783 Sn 95 So 3 Nc 1
RArad 3.3681112078 DErad 0.3346175891 Plx 4.52 PmRA -79.44
PmDE 5.73 E RArad 2.1 E DErad 1.79 E Plx 2.62
E pmRA 2.88 E pmDE 2.07 Hpmag 7.413 E Hpmag 0.0174
SHp 0.106 VA 0 BV 0.569 E BV 0.007
VI 0.64
 
 
12519+1910 B
 
 
Coord arcsec 2000 125154.39+191005.0 Coord calc 125154.39+191005.0 Mag 7.78 Spectral class F8V (yellow-white)
PmRA -76.00 PmDE 7.0 SAO 100306 HIP 62782
Tycho2 1452-00906-1 HD 111845 GC 17457 Calc delta mag 0.47
Tycho2
Tycho2 1452-00906-1 Pflag RAmdeg 192.97663812 DEmdeg 19.16806519
PmRA -75.4 PmDE 5.0 E RAmdeg 6 E DEmdeg 6
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.51 EpDEm 1991.44
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.2 Q pmRA 0.2
Q pmDE 0.3 BTmag 8.342 E BTmag 0.017 VTmag 7.777
E VTmag 0.012 Prox 160 TYC T HIP 62782
CCDM B RAdeg 192.97682306 DEdeg 19.16805361 EpRA 1990 1.66
EpDE 1990 1.60 E RAdeg 5.5 E DEdeg 6.1 Posflg
Corr 0.2
SAO
SAO 100306 DelFlag RA1950 PmRA1950 -0.0051
DE1950 PmDE1950 0.006 Vmag 8.2 SpType F2
Double code Source 70 CatNum 17457 DM BD+19 2613
DMcomp B BDsup HD 111845 M HD 0
GC 17457 RA1950rad 3.35729149 DE1950rad 0.33928314 PmRA2000 -0.0051
PmDE2000 0.011
Hipparcos
Catalog H HIP 62782 Proxy RAhms 12 51 54.44
DEdms +19 10 05.0 Vmag 7.75 VarFlag R Vmag H
RAdeg 192.977 DEdeg 19.1681 AstroRef B Plx -12.61
CCDM 12519+1912 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source L Qual B M HIP
Theta Rho HD 111845 BD
CD CP Dm number VIred 0.43
SpType F8IV R SpType Coord arcsec 2000 125154.44+191005.0
Hipparcos 2
HIP 62782 Sn 95 So 3 Nc 1
RArad 3.3680813003 DErad 0.3345457075 Plx 6.77 PmRA -92.42
PmDE 6.84 E RArad 5.75 E DErad 4.97 E Plx 6.75
E pmRA 7.24 E pmDE 5.29 Hpmag 7.6913 E Hpmag 0.0198
SHp 0 VA 0 BV 0.561 E BV 0.019
VI 0.63
 
 
12519+1910 C
 
 
Coord arcsec 2000 125146.14+191343.7 Mag 8.22 PmRA 19.00 PmDE 13.0
SAO 100304 HIP 62769 Tycho2 1452-00336-1 HD 111814
BD BD+20 2768 Calc delta mag 0.91 Calc coord yes
Tycho2
Tycho2 1452-00336-1 Pflag RAmdeg 192.93984587 DEmdeg 19.22883340
PmRA 18.1 PmDE 11.4 E RAmdeg 6 E DEmdeg 7
E pmRA 1.0 E pmDE 0.9 EpRAm 1990.93 EpDEm 1990.64
Num 14 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 9.015 E BTmag 0.018 VTmag 8.222
E VTmag 0.013 Prox 999 TYC T HIP 62769
CCDM RAdeg 192.93980139 DEdeg 19.22880722 EpRA 1990 1.65
EpDE 1990 1.60 E RAdeg 6.2 E DEdeg 6.9 Posflg
Corr 0.2
SAO
SAO 100304 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0.023 Vmag 8.3 SpType G5
Double code Source 35 CatNum 4628 DM BD+20 2768
DMcomp BDsup HD 111814 M HD 0
GC RA1950rad 3.3566229 DE1950rad 0.34034765 PmRA2000 0.0015
PmDE2000 0.028
Hipparcos
Catalog H HIP 62769 Proxy RAhms 12 51 45.55
DEdms +19 13 43.7 Vmag 8.14 VarFlag R Vmag H
RAdeg 192.94 DEdeg 19.2288 AstroRef Plx 11.93
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 111814 BD BD+20 2768
CD CP Dm number +20 2768 VIred 0.76
SpType G5 R SpType Coord arcsec 2000 125145.55+191343.7
Hipparcos 2
HIP 62769 Sn 5 So 0 Nc 1
RArad 3.3674347371 DErad 0.3356059456 Plx 11.58 PmRA 16.82
PmDE 12.44 E RArad 0.63 E DErad 0.43 E Plx 0.66
E pmRA 0.77 E pmDE 0.5 Hpmag 8.2865 E Hpmag 0.0016
SHp 0.014 VA 0 BV 0.71 E BV 0.015
VI 0.76