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Doubles in session


Current system
21247+2116
HU 370


Nearby doubles
19' : 21235+2125
SKF 15

23' : 21257+2058
J 3138

28' : 21234+2139
J 2345

44' : 21224+2146
GRV 457

50' : 21261+2201
OCC9222

54' : 21269+2033
GRV 469

57' : 21267+2027
UC 4468

59' : 21209+2050
CBL 531

62' : 21259+2017
CVR 901

62' : 21237+2016
COU 230

76' : 21259+2229
TDT2960

76' : 21287+2028
J 611

77' : 21194+2136
UC 4442

78' : 21283+2215
J 3140

78' : 21286+2211
BRT2496AB

79' : 21192+2134
TDT2900

80' : 21248+1956
KPP3370

81' : 21197+2155
TDT2907

81' : 21240+2236
KU 60

82' : 21290+2211
HJ 1647AB

84' : 21187+2118
ARY 62AB

90' : 21187+2149
LDS4878

90' : 21310+2128
COU 232

93' : 21210+2233
COU 229

94' : 21313+2112
GRV 473

95' : 21221+1948
STFB 11AB



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.

21247+2116 HU 370

 
 
21h 24m 40.44s +21° 15' 54.7" P.A. 105.00 sep 2.1 mag 9.23,12.24 Sp F8 dist. 290.7 pc (948.26 l.y.)
 
 
Coord 2000 21247+2116 Discov num HU  370 Comp Coord arcsec 2000 21 24 40.44 +21 15 54.7
Date first 1901 Date last 2016 Obs 7
Pa first 110 Pa last 105.4 P.A. Now (θ) 105.4°
Sep first 2.0 Sep last 2.078 Sep. Now (ρ) 2.078"
Mag pri 9.23 Mag sec 12.24 delta mag (ΔM) 3.01 Spectral class F8 (yellow-white)
Pri motion ra -028 Sec motion ra -026
Pri motion dec -015 Sec motion dec -009
Notes
rPM=0.199 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus HIP 105713 Tycho2 1675-00097-1 Gaia DR2 1790647255264947840
BD BD+20 4906 Distance 290.7 Distance ly 948.26
 
 
WDS 21247+2116 HU 370 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21247+2116 HU 370 1991 6 107 2.1 9.23 12.24 F8 212440.44+211554.7
21247+2116 HU 370 2016 7 105 2.1 9.23 12.24 F8 212440.44+211554.7

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

 
 
WDS 21247+2116 HU 370 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21247+2116 HU 370 : MEASURES
 
 
No records found.

 
 
WDS 21247+2116 : VIRTUAL EYEPIECE
 
 

21247+2116 HU 370A mag 9.23 Sp F8 21247+2116 HU 370B sep 1.9 P.A. 106.50 mag 12.24 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 21247+2116 : ALADIN DSS IMAGE @ 21h 24m 40.44s +21° 15' 54.7"
 
 
 
 
WDS 21247+2116 HU 370 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21247+2116 HU 370 distance=0' 21235+2125 SKF 15 distance=19' 21257+2058 J 3138 distance=23' 21234+2139 J 2345 distance=28' 21224+2146 GRV 457 distance=44' 21261+2201 OCC9222 distance=50' 21269+2033 GRV 469 distance=54' 21267+2027 UC 4468 distance=57' 21209+2050 CBL 531 distance=59' 21259+2017 CVR 901 distance=62' 21237+2016 COU 230 distance=62' 21259+2229 TDT2960 distance=76' 21287+2028 J 611 distance=76' 21194+2136 UC 4442 distance=77' 21283+2215 J 3140 distance=78' 21286+2211 BRT2496AB distance=78' 21286+2211 FYM 288AC distance=78' 21192+2134 TDT2900 distance=79' 21248+1956 KPP3370 distance=80' 21197+2155 TDT2907 distance=81' 21240+2236 KU 60 distance=81' 21290+2211 HJ 1647AB distance=82' 21290+2211 HJ 1647AC distance=82' 21187+2118 HDS3033Aa,Ab distance=84' 21187+2118 ARY 62AB distance=84' 21187+2149 LDS4878 distance=90' 21310+2128 COU 232 distance=90' 21210+2233 COU 229 distance=93' 21313+2112 GRV 473 distance=94' 21221+1948 STFB 11AB distance=95' 21221+1948 STFB 11AC distance=95' 21221+1948 TOK9001AD distance=95' 21211+2244 AZC 112AB distance=102' 21174+2135 COU 228 distance=104' 21174+2053 KUI 106 distance=105' 21200+1953 GRV 447 distance=106' 21282+1943 UC 4474 distance=106' 21237+1931 COU 429AB distance=106' 21169+2129 TDS1122 distance=109' 21326+2048 GMC 21 distance=114' 21228+1925 BRT2494 distance=115' 21187+2240 UC 4439 distance=119' 21162+2128 SLW1235 distance=120' 21215+1924 J 3316 distance=121' 21330+2043 STF2804AB distance=121' 21330+2043 STF2804AC distance=121' 21260+2316 GRV 466 distance=123' 21284+1924 CVR 247 distance=124' 21248+2321 CVR 900 distance=125' 21164+2206 AZC 111 distance=126' 21157+2128 RAO 450 distance=127' 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 21247+2116 HU 370 105 2.1
Show 21235+2125 SKF 15 262 40.2 19
Show 21257+2058 J 3138 256 3.1 23
Show 21234+2139 J 2345 202 4.6 28
Show 21224+2146 GRV 457 323 77.2 44
Show 21261+2201 OCC9222 308 9.0 50
Show 21269+2033 GRV 469 264 21.2 54
Show 21267+2027 UC 4468 334 43.8 57
Show 21209+2050 CBL 531 327 25.5 59
Show 21259+2017 CVR 901 143 28.8 62
Show 21237+2016 COU 230 187 0.9 62
Show 21259+2229 TDT2960 189 0.9 76
Show 21287+2028 J 611 21 1.8 76
Show 21194+2136 UC 4442 99 59.2 77
Show 21283+2215 J 3140 223 5.9 78
Show 21286+2211 BRT2496 AB 236 4.6 78
Show 21286+2211 FYM 288 AC 60 15.2 78
Show 21192+2134 TDT2900 220 1.3 79
Show 21248+1956 KPP3370 333 0.9 80
Show 21197+2155 TDT2907 91 1.0 81
Show 21240+2236 KU 60 228 7.3 81
Show 21290+2211 HJ 1647 AB 178 41.5 82
Show 21290+2211 HJ 1647 AC 128 38.8 82
Show 21187+2118 HDS3033 Aa,Ab 319 0.0 84
Show 21187+2118 ARY 62 AB 105 88.1 84
Show 21187+2149 LDS4878 10 12.6 90
Show 21310+2128 COU 232 34 0.6 90
Show 21210+2233 COU 229 118 0.5 93
Show 21313+2112 GRV 473 26 46.4 94
Show 21221+1948 STFB 11 AB 313 36.6 95
Show 21221+1948 STFB 11 AC 13 64.3 95
Show 21221+1948 TOK9001 AD 151 5.3 95
Show 21211+2244 AZC 112 AB 14 12.3 102
Show 21174+2135 COU 228 47 0.7 104
Show 21174+2053 KUI 106 341 4.4 105
Show 21200+1953 GRV 447 277 32.2 106
Show 21282+1943 UC 4474 276 9.5 106
Show 21237+1931 COU 429 AB 161 1.5 106
Show 21169+2129 TDS1122 248 1.4 109
Show 21326+2048 GMC 21 130 10.5 114
Show 21228+1925 BRT2494 168 4.4 115
Show 21187+2240 UC 4439 222 9.8 119
Show 21162+2128 SLW1235 134 10.4 120
Show 21215+1924 J 3316 164 6.0 121
Show 21330+2043 STF2804 AB 359 3.4 121
Show 21330+2043 STF2804 AC 103 97.1 121
Show 21260+2316 GRV 466 318 40.0 123
Show 21284+1924 CVR 247 263 79.8 124
Show 21248+2321 CVR 900 281 11.9 125
Show 21164+2206 AZC 111 33 9.6 126
Show 21157+2128 RAO 450 14 3.0 127

 
 
WDS 21247+2116 : COMPONENTS
 
 
  A
B pa=106.5°
sep=1.95"
 
 
21247+2116 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212440.44+211554.7 Mag 9.23 Spectral class F8 (yellow-white)
PmRA -28.00 PmDE -15.0 HIP 105713 Tycho2 1675-00097-1
BD BD+20 4906
Tycho2
Tycho2 1675-00097-1 Pflag RAmdeg 321.16851936 DEmdeg 21.26520161
PmRA -28.1 PmDE -14.9 E RAmdeg 11 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.72 EpDEm 1991.12
Num 4 Q RAmdeg 1.9 Q DEmdeg 0.9 Q pmRA 1.8
Q pmDE 0.8 BTmag 9.725 E BTmag 0.021 VTmag 9.226
E VTmag 0.016 Prox 21 TYC T HIP 105713
CCDM A RAdeg 321.16858833 DEdeg 21.26523528 EpRA 1990 1.78
EpDE 1990 1.87 E RAdeg 10.8 E DEdeg 9.3 Posflg
Corr -0.2
Hipparcos
Catalog H HIP 105713 Proxy H RAhms 21 24 40.46
DEdms +21 15 54.8 Vmag 9.13 VarFlag R Vmag H
RAdeg 321.169 DEdeg 21.2652 AstroRef A Plx 4.56
CCDM 21247+2116 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 106 Rho 2.076 HD BD BD+20 4906
CD CP Dm number +20 4906 VIred 0.5
SpType F8 R SpType Coord arcsec 2000 212440.46+211554.8
Hipparcos 2
HIP 105713 Sn 15 So 3 Nc 2
RArad 5.6054494007 DErad 0.371148345 Plx 3.44 PmRA -25.23
PmDE -9.6 E RArad 0.86 E DErad 1.24 E Plx 1.63
E pmRA 1.27 E pmDE 1.56 Hpmag 9.2228 E Hpmag 0.0016
SHp 0.018 VA 0 BV 0.6 E BV 0.495
VI 0.5
CCDM
Ccdm 21247+2116 RComp Comp A Note1
Note2 Discov num DRAs -1.62 DDEs -5.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp F8 PmNote *
PmRA -38 PmDE -16 Dm number +20 4906 Cat1 BD
Name2 +21 2366 Cat2 AGK2/3 HD M HD
ADS BDS A14951 M ADS BDS N IDS IDS 21201N2050A
HIC 105713
 
 
21247+2116 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212440.57+211554.1 Mag 12.24 PmRA -26.00
PmDE -9.0 Calc delta mag 3.01 Calc coord yes
CCDM
Ccdm 21247+2116 RComp Comp B Note1
Note2 Discov num HU 370 DRAs DDEs
R dRAs Year 1901 Theta 110 Rho 2.0
Obs 3 Vmag 13.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14951 M ADS BDS N IDS IDS 21201N2050B
HIC 105713