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Current system
21175+1221
HJ 279 AB


Nearby doubles
16' : 21184+1233
BRT1352

21' : 21190+1218
BRT1354

32' : 21191+1244
BPM2357

40' : 21196+1153
BPM2359

40' : 21188+1144
HEI 880

49' : 21186+1134
BU 163AB

52' : 21142+1231
HEI 406

54' : 21140+1219
BPM2348

56' : 21164+1128
CVR 892

61' : 21143+1145
BPM2351

62' : 21209+1140
BPM2361

65' : 21206+1310
HDS3038

68' : 21139+1140
BPM2346

69' : 21142+1135
BPM2350

70' : 21140+1305
BPM2347

72' : 21128+1223
KPP4228

73' : 21225+1207
BPM2366

76' : 21140+1314
J 849

78' : 21168+1337
J 578

79' : 21198+1108
GRV 446

81' : 21215+1122
BPM2363

82' : 21136+1315
BPM2343AB

87' : 21118+1205
GRV 434

88' : 21137+1115
BPM2345

90' : 21116+1224
HJ 277

93' : 21140+1106
AG 415AB



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.

21175+1221 HJ 279 AB

 
 
21h 17m 40.60s +12° 20' 34.1" P.A. 293.00 sep 5.4 mag 11.49,11.50
 
 
Coord 2000 21175+1221 Discov num HJ  279 Comp AB Coord arcsec 2000 21 17 40.60 +12 20 34.1
Date first 1825 Date last 2015 Obs 9
Pa first 295 Pa last 292.7 P.A. Now (θ) 292.7°
Sep first 3.0 Sep last 5.439 Sep. Now (ρ) 5.439"
Mag pri 11.49 Mag sec 11.50 delta mag (ΔM) 0.01 Spectral class
Pri motion ra +039 Sec motion ra -021
Pri motion dec -023 Sec motion dec -005
Notes N (See Notes)
rPM=1.384
This double is not physical.
 
 
21175+1221 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 17 41 +12 20 34 HJ 279 AB 2015 9 293 5.4 11.49 11.50 0.01 <===
Show 21 17 41 +12 20 34 HJ 279 AC 2015 10 293 126.7 11.49 9.17 2.32
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus Tycho2 1113-01059-1 Gaia DR2 1746705440569791488 ADS 14823
 
 
WDS 21175+1221 HJ 279 AB : NOTES
 
 
discov_num notes refcode
HJ 279 C is probably BD+11@4531.
 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
21175+1221 HJ 279 AB 2004 4 293 5.4 11.49 11.50 N D 211740.60+122034.1
21175+1221 HJ 279 AB 2015 7 293 5.4 11.49 11.50 N 211740.60+122034.1

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

 
 
WDS 21175+1221 HJ 279 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21175+1221 HJ 279 AB : MEASURES
 
 
No records found.

 
 
WDS 21175+1221 : VIRTUAL EYEPIECE
 
 

21175+1221 HJ 279A mag 11.49 21175+1221 HJ 279B sep 5.3 P.A. 293.20 mag 11.5 21175+1221 HJ 279C sep 124.2 P.A. 293.90 mag 9.17 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 21175+1221 : ALADIN DSS IMAGE @ 21h 17m 40.60s +12° 20' 34.1"
 
 
 
 
WDS 21175+1221 HJ 279 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21175+1221 HJ 279AB distance=0' 21184+1233 BRT1352 distance=16' 21190+1218 BRT1354 distance=21' 21191+1244 BPM2357 distance=32' 21196+1153 BPM2359 distance=40' 21188+1144 HEI 880 distance=40' 21186+1134 BU 163AB distance=49' 21186+1134 BU 163AC distance=49' 21186+1134 BU 163AD distance=49' 21186+1134 BU 163AE distance=49' 21142+1231 HEI 406 distance=52' 21140+1219 BPM2348 distance=54' 21164+1128 CVR 892 distance=56' 21143+1145 BPM2351 distance=61' 21209+1140 BPM2361 distance=62' 21206+1310 HDS3038 distance=65' 21139+1140 BPM2346 distance=68' 21142+1135 BPM2350 distance=69' 21140+1305 BPM2347 distance=70' 21128+1223 KPP4228 distance=72' 21225+1207 BPM2366 distance=73' 21140+1314 J 849 distance=76' 21168+1337 J 578 distance=78' 21198+1108 GRV 446 distance=79' 21136+1315 BPM2344BC distance=80' 21215+1122 BPM2363 distance=81' 21136+1315 BPM2343AB distance=82' 21118+1205 GRV 434 distance=87' 21137+1115 BPM2345 distance=88' 21116+1224 HJ 277 distance=90' 21140+1106 TOB 316BC distance=93' 21140+1106 AG 415AB distance=93' 21119+1302 GWP3041 distance=94' 21116+1251 ROE 102 distance=95' 21222+1114 J 2605 distance=96' 21242+1237 HJ 282AB distance=98' 21242+1237 FYM 182AC distance=98' 21187+1358 BRT1353 distance=99' 21223+1111 BRT1355 distance=99' 21224+1110 NSN 743 distance=100' 21130+1109 GWP3042 distance=100' 21116+1133 LDS4869 distance=101' 21123+1105 BPMA251 distance=109' 21227+1101 BPM2367 distance=109' 21225+1057 J 161 distance=110' 21138+1045 HJ 278 distance=112' 21106+1307 BPM2338 distance=113' 21241+1324 LEP 173 distance=114' 21248+1136 GWP3057 distance=114' 21181+1027 UC 4435 distance=115' 21106+1126 BPM2337 distance=118' 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 21175+1221 HJ 279 AB 293 5.4
Show 21175+1221 HJ 279 AC 293 126.7
Show 21184+1233 BRT1352 183 5.0 16
Show 21190+1218 BRT1354 163 3.6 21
Show 21191+1244 BPM2357 65 34.9 32
Show 21196+1153 BPM2359 145 89.8 40
Show 21188+1144 HEI 880 205 2.0 40
Show 21186+1134 BU 163 AB 257 1.0 49
Show 21186+1134 BU 163 AC 252 29.7 49
Show 21186+1134 BU 163 AD 163 44.8 49
Show 21186+1134 BU 163 AE 6 87.5 49
Show 21142+1231 HEI 406 179 0.7 52
Show 21140+1219 BPM2348 161 95.7 54
Show 21164+1128 CVR 892 185 7.0 56
Show 21143+1145 BPM2351 255 115.3 61
Show 21209+1140 BPM2361 54 111.3 62
Show 21206+1310 HDS3038 126 0.1 65
Show 21139+1140 BPM2346 245 17.4 68
Show 21142+1135 BPM2350 144 29.1 69
Show 21140+1305 BPM2347 160 102.5 70
Show 21128+1223 KPP4228 149 2.3 72
Show 21225+1207 BPM2366 107 61.1 73
Show 21140+1314 J 849 156 2.4 76
Show 21168+1337 J 578 277 7.2 78
Show 21198+1108 GRV 446 157 60.2 79
Show 21136+1315 BPM2344 BC 80 80.5 80
Show 21215+1122 BPM2363 196 52.2 81
Show 21136+1315 BPM2343 AB 156 105.6 82
Show 21118+1205 GRV 434 169 65.4 87
Show 21137+1115 BPM2345 10 52.4 88
Show 21116+1224 HJ 277 318 12.3 90
Show 21140+1106 TOB 316 BC 87 21.1 93
Show 21140+1106 AG 415 AB 23 15.9 93
Show 21119+1302 GWP3041 142 22.4 94
Show 21116+1251 ROE 102 128 6.7 95
Show 21222+1114 J 2605 223 1.5 96
Show 21242+1237 HJ 282 AB 69 27.3 98
Show 21242+1237 FYM 182 AC 162 14.9 98
Show 21187+1358 BRT1353 241 3.8 99
Show 21223+1111 BRT1355 192 4.1 99
Show 21224+1110 NSN 743 262 2.3 100
Show 21130+1109 GWP3042 113 25.6 100
Show 21116+1133 LDS4869 267 203.8 101
Show 21123+1105 BPMA251 305 252.8 109
Show 21227+1101 BPM2367 336 97.0 109
Show 21225+1057 J 161 300 2.0 110
Show 21138+1045 HJ 278 263 22.9 112
Show 21106+1307 BPM2338 164 73.2 113
Show 21241+1324 LEP 173 34 4.2 114
Show 21248+1136 GWP3057 181 11.2 114
Show 21181+1027 UC 4435 259 50.5 115

 
 
WDS 21175+1221 : COMPONENTS
 
 
  A B
B pa=293.2°
sep=5.33"
 
C pa=293.9°
sep=124.19"
pa=293.9°
sep=118.86"
 
 
21175+1221 A
 
 
Coord arcsec 2000 211740.60+122034.1 Mag 11.49 PmRA 39.00 PmDE -23.0
Tycho2 1113-01059-1 ADS 14823
Tycho2
Tycho2 1113-01059-1 Pflag RAmdeg 319.41918136 DEmdeg 12.34279672
PmRA 2.2 PmDE -5.5 E RAmdeg 83 E DEmdeg 97
E pmRA 3.1 E pmDE 3.1 EpRAm 1981.82 EpDEm 1977.09
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.476 E BTmag 0.260 VTmag 11.493
E VTmag 0.144 Prox 999 TYC HIP
CCDM RAdeg 319.41917611 DEdeg 12.34281000 EpRA 1990 1.60
EpDE 1990 1.32 E RAdeg 87.6 E DEdeg 106.9 Posflg
Corr -0.1
 
 
21175+1221 B
 
 
Coord arcsec 2000 211740.27+122036.2 Mag 11.5 PmRA -21.00 PmDE -5.0
Calc delta mag 0.01 Calc coord yes
 
 
21175+1221 C
 
 
Coord arcsec 2000 211732.85+122124.4 Mag 9.17 PmRA -22.00 PmDE -12.0
Tycho2 1113-01877-1 Calc delta mag 2.32 Calc coord yes
Tycho2
Tycho2 1113-01877-1 Pflag RAmdeg 319.38618803 DEmdeg 12.35674552
PmRA -22.3 PmDE -13.1 E RAmdeg 14 E DEmdeg 17
E pmRA 1.1 E pmDE 1.0 EpRAm 1988.31 EpDEm 1986.89
Num 11 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 10.449 E BTmag 0.041 VTmag 9.172
E VTmag 0.021 Prox 999 TYC T HIP
CCDM RAdeg 319.38623861 DEdeg 12.35677667 EpRA 1990 1.61
EpDE 1990 1.39 E RAdeg 15.1 E DEdeg 17.9 Posflg
Corr -0.1