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Doubles in session


Current system
21212+1645
HJ 281 AB


Nearby doubles
27' : 21193+1640
BPM2358

34' : 21228+1621
GWP3054

40' : 21213+1724
BPM2362

44' : 21222+1725
BPM2365

46' : 21242+1659
GWP3056

47' : 21181+1646
J 3238AB

47' : 21217+1731
BPM2364

47' : 21236+1717
HU 369

51' : 21247+1647
TDT2949

51' : 21177+1635
MAY9003

52' : 21177+1636
J 850AB

55' : 21175+1637
MAY9002

55' : 21235+1728
COU 428

58' : 21176+1711
BPM2356

60' : 21242+1604
KPP 493

60' : 21176+1614
BPM2355

68' : 21206+1537
AG 416

71' : 21234+1543
BPM2368

72' : 21182+1741
J 1720

74' : 21162+1629
BPM2354

75' : 21227+1533
J 851AB

75' : 21160+1639
BPM2353

75' : 21185+1541
BPMA254AB

76' : 21158+1642
GRV 441

79' : 21251+1740
BPM2371

81' : 21252+1742
BPM2372



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.

21212+1645 HJ 281 AB

 
 
21h 21m 10.26s +16° 44' 49.7" P.A. 334.00 sep 14.1 mag 9.80,11.25 Sp G0
 
 
Coord 2000 21212+1645 Discov num HJ  281 Comp AB Coord arcsec 2000 21 21 10.26 +16 44 49.7
Date first 1825 Date last 2019 Obs 33
Pa first 330 Pa last 333.7 P.A. Now (θ) 333.7°
Sep first 13.5 Sep last 14.144 Sep. Now (ρ) 14.144"
Mag pri 9.80 Mag sec 11.25 delta mag (ΔM) 1.45 Spectral class G0 (yellow)
Pri motion ra +030 Sec motion ra +029
Pri motion dec +007 Sec motion dec +008
Notes W
rPM=0.046 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Tycho2 1663-00020-1
 
 
WDS 21212+1645 HJ 281 AB : NOTES
 
 
No records found.

 
 
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
21212+1645 HJ 281 AB 2019 32 334 14.1 9.80 11.25 G0 W 212110.26+164449.7

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

 
 
WDS 21212+1645 HJ 281 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21212+1645 HJ 281 AB : MEASURES
 
 
No records found.

 
 
WDS 21212+1645 : VIRTUAL EYEPIECE
 
 

21212+1645 HJ 281A mag 9.8 Sp G0 21212+1645 HJ 281B sep 14.0 P.A. 334.70 mag 11.25 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 21212+1645 : ALADIN DSS IMAGE @ 21h 21m 10.26s +16° 44' 49.7"
 
 
 
 
WDS 21212+1645 HJ 281 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21212+1645 HJ 281AB distance=0' 21193+1640 BPM2358 distance=27' 21228+1621 GWP3054 distance=34' 21213+1724 BPM2362 distance=40' 21222+1725 BPM2365 distance=44' 21242+1659 GWP3056 distance=46' 21181+1646 J 3238AB distance=47' 21181+1646 J 3238AC distance=47' 21217+1731 BPM2364 distance=47' 21236+1717 HU 369 distance=47' 21247+1647 TDT2949 distance=51' 21177+1635 MAY9003 distance=51' 21177+1636 J 850AB distance=52' 21177+1636 J 850AC distance=52' 21175+1637 MAY9002 distance=55' 21235+1728 COU 428 distance=55' 21176+1711 BPM2356 distance=58' 21242+1604 KPP 493 distance=60' 21176+1614 BPM2355 distance=60' 21206+1537 AG 416 distance=68' 21234+1543 BPM2368 distance=71' 21182+1741 J 1720 distance=72' 21162+1629 BPM2354 distance=74' 21227+1533 J 851AB distance=75' 21227+1533 J 851AC distance=75' 21160+1639 BPM2353 distance=75' 21185+1541 BPMA254AB distance=75' 21185+1541 BPMA254AC distance=75' 21158+1642 GRV 441 distance=76' 21251+1740 BPM2371 distance=79' 21185+1541 BPMA254CD distance=80' 21252+1742 BPM2372 distance=81' 21218+1524 STJ 14 distance=82' 21161+1606 BU 1261 distance=83' 21266+1611 BPM2375 distance=85' 21213+1519 TDT2917 distance=86' 21205+1518 UC 4447 distance=88' 21160+1600 HO 284 distance=88' 21233+1520 HEI 189 distance=90' 21216+1513 AG 417 distance=92' 21182+1807 BPMA253 distance=93' 21275+1618 UC 261BC distance=95' 21194+1816 COU 70 distance=95' 21248+1804 FMR 235 distance=95' 21158+1745 LDS1052 distance=100' 21148+1605 NSN 742 distance=101' 21221+1825 UC 4459 distance=102' 21152+1741 LDS4875 distance=103' 21148+1600 SMA 145 distance=103' 21278+1726 NSN 745 distance=105' 21148+1746 SHN 249 distance=110' 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 21212+1645 HJ 281 AB 334 14.1
Show 21193+1640 BPM2358 21 97.3 27
Show 21228+1621 GWP3054 132 58.3 34
Show 21213+1724 BPM2362 27 81.1 40
Show 21222+1725 BPM2365 338 42.6 44
Show 21242+1659 GWP3056 305 12.3 46
Show 21181+1646 J 3238 AB 341 3.8 47
Show 21181+1646 J 3238 AC 210 31.0 47
Show 21217+1731 BPM2364 127 119.8 47
Show 21236+1717 HU 369 16 1.0 47
Show 21247+1647 TDT2949 115 0.5 51
Show 21177+1635 MAY9003 75 5.1 51
Show 21177+1636 J 850 AB 236 2.4 52
Show 21177+1636 J 850 AC 331 12.4 52
Show 21175+1637 MAY9002 316 4.8 55
Show 21235+1728 COU 428 137 0.9 55
Show 21176+1711 BPM2356 47 119.4 58
Show 21242+1604 KPP 493 223 4.7 60
Show 21176+1614 BPM2355 67 86.9 60
Show 21206+1537 AG 416 350 23.7 68
Show 21234+1543 BPM2368 248 108.4 71
Show 21182+1741 J 1720 321 7.3 72
Show 21162+1629 BPM2354 11 84.5 74
Show 21227+1533 J 851 AB 141 1.4 75
Show 21227+1533 J 851 AC 46 40.7 75
Show 21160+1639 BPM2353 262 20.8 75
Show 21185+1541 BPMA254 AB 334 4.6 75
Show 21185+1541 BPMA254 AC 194 260.8 75
Show 21158+1642 GRV 441 39 19.0 76
Show 21251+1740 BPM2371 299 82.6 79
Show 21185+1541 BPMA254 CD 329 5.9 80
Show 21252+1742 BPM2372 24 99.6 81
Show 21218+1524 STJ 14 105 1.1 82
Show 21161+1606 BU 1261 151 1.8 83
Show 21266+1611 BPM2375 32 102.5 85
Show 21213+1519 TDT2917 201 0.8 86
Show 21205+1518 UC 4447 81 32.4 88
Show 21160+1600 HO 284 88 3.9 88
Show 21233+1520 HEI 189 36 0.6 90
Show 21216+1513 AG 417 13 35.8 92
Show 21182+1807 BPMA253 239 269.4 93
Show 21275+1618 UC 261 BC 151 48.3 95
Show 21194+1816 COU 70 349 1.7 95
Show 21248+1804 FMR 235 287 8.0 95
Show 21158+1745 LDS1052 69 8.6 100
Show 21148+1605 NSN 742 60 1.9 101
Show 21221+1825 UC 4459 183 27.4 102
Show 21152+1741 LDS4875 127 195.4 103
Show 21148+1600 SMA 145 96 4.9 103
Show 21278+1726 NSN 745 341 4.2 105
Show 21148+1746 SHN 249 -1 0.2 110

 
 
WDS 21212+1645 : COMPONENTS
 
 
  A
B pa=334.7°
sep=14.03"
 
 
21212+1645 A
 
 
Coord arcsec 2000 212110.26+164449.7 Mag 9.8 Spectral class G0 (yellow) PmRA 30.00
PmDE 7.0 Tycho2 1663-00020-1
Tycho2
Tycho2 1663-00020-1 Pflag RAmdeg 320.29275064 DEmdeg 16.74712801
PmRA 27.4 PmDE 5.7 E RAmdeg 23 E DEmdeg 25
E pmRA 1.1 E pmDE 1.1 EpRAm 1985.21 EpDEm 1981.78
Num 8 Q RAmdeg 0.5 Q DEmdeg 1.6 Q pmRA 0.5
Q pmDE 1.5 BTmag 10.622 E BTmag 0.053 VTmag 9.803
E VTmag 0.037 Prox 140 TYC T HIP
CCDM RAdeg 320.29268472 DEdeg 16.74710278 EpRA 1990 1.68
EpDE 1990 1.64 E RAdeg 25.0 E DEdeg 31.3 Posflg
Corr 0.1
CCDM
Ccdm 21212+1645 RComp Comp A Note1
Note2 Discov num DRAs -1.80 DDEs -9.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp PmNote *
PmRA 24 PmDE 19 Dm number +16 4505 Cat1 BD
Name2 +16 2356 Cat2 AGK2/3 HD M HD
ADS BDS A14891 M ADS BDS N IDS IDS 21165N1619A
HIC
 
 
21212+1645 B
 
 
Coord arcsec 2000 212109.84+164502.4 Mag 11.25 PmRA 29.00 PmDE 8.0
Tycho2 1663-00464-1 Calc delta mag 1.45 Calc coord yes
Tycho2
Tycho2 1663-00464-1 Pflag RAmdeg 320.29102482 DEmdeg 16.75064763
PmRA 28.0 PmDE 6.0 E RAmdeg 64 E DEmdeg 76
E pmRA 1.7 E pmDE 1.8 EpRAm 1970.64 EpDEm 1958.76
Num 4 Q RAmdeg 0.3 Q DEmdeg 0.4 Q pmRA 0.4
Q pmDE 0.4 BTmag 11.842 E BTmag 0.130 VTmag 11.246
E VTmag 0.129 Prox 140 TYC HIP
CCDM RAdeg 320.29095694 DEdeg 16.75063361 EpRA 1990 1.69
EpDE 1990 1.62 E RAdeg 73.1 E DEdeg 95.8 Posflg
Corr 0.1
CCDM
Ccdm 21212+1645 RComp Comp B Note1
Note2 Discov num HJ 281 DRAs -2.14 DDEs 4.2
R dRAs 10 Year 1829 Theta 335 Rho 14.0
Obs 11 Vmag 10.4 Sp PmNote *
PmRA 40 PmDE 39 Dm number Cat1
Name2 +16 2355 Cat2 AGK2/3 HD M HD
ADS BDS A14891 M ADS BDS N IDS IDS 21165N1619B
HIC