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Doubles in session


Current system
20077+0327
HJ 2930
HD 357818


Nearby doubles
30' : 20065+0305
BAL2015

33' : 20056+0330
NSN 728

41' : 20104+0330
BAL2527

55' : 20042+0312
TDT1949

60' : 20117+0335
UC 4117

64' : 20087+0227
UC 4099

65' : 20094+0428
UC 4105

65' : 20119+0348
STF2641

66' : 20041+0404
J 2296

68' : 20064+0433
BAL2961

68' : 20064+0225
UC 4085

70' : 20121+0306
HEI 581

72' : 20057+0434
J 603

74' : 20106+0428
UC 4113

74' : 20049+0429
TDT1956

74' : 20053+0433
J 3206

75' : 20112+0237
BAL2017

75' : 20122+0255
BAL2019

76' : 20043+0425
A 2277

77' : 20051+0435
HJ 2926

78' : 20128+0318
BAL2529

78' : 20077+0446
STF2627AB

79' : 20121+0246
BAL2018

79' : 20113+0425
J 2300

84' : 20066+0207
HJ 902

88' : 20105+0212
UC 4111



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.

20077+0327 HJ 2930 (HD 357818)

 
 
20h 07m 43.71s +03° 28' 53.2" P.A. 156.00 sep 28.3 mag 11.46,11.73 Sp G
 
 
Coord 2000 20077+0327 Discov num HJ 2930 Comp Coord arcsec 2000 20 07 43.71 +03 28 53.2
Date first 1830 Date last 2016 Obs 16
Pa first 162 Pa last 155.6 P.A. Now (θ) 155.6°
Sep first 18.0 Sep last 28.28 Sep. Now (ρ) 28.28"
Mag pri 11.46 Mag sec 11.73 delta mag (ΔM) 0.27 Spectral class G (yellow)
Pri motion ra +017 Sec motion ra +018
Pri motion dec +002 Sec motion dec +003
Notes T (Parallax indicates physical)
rPM=0.077 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 357818 Constellation Aquila Tycho2 0499-01502-1 Gaia DR2 4247076662608411648
HD 357818
 
 
WDS 20077+0327 HJ 2930 (HD 357818) : 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
20077+0327 HJ 2930 2000 7 156 28.3 11.46 11.55 D 200743.71+032853.2
20077+0327 HJ 2930 2015 9 156 28.3 11.46 11.73 G 200743.71+032853.2
20077+0327 HJ 2930 2016 16 156 28.3 11.46 11.73 G T 200743.71+032853.2

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

 
 
WDS 20077+0327 HJ 2930 (HD 357818) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20077+0327 HJ 2930 (HD 357818) : MEASURES
 
 
No records found.

 
 
WDS 20077+0327 (HD 357818) : VIRTUAL EYEPIECE
 
 

20077+0327 HJ 2930A mag 11.46 Sp G 20077+0327 HJ 2930B sep 28.3 P.A. 155.60 mag 11.73 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 20077+0327 (HD 357818) : ALADIN DSS IMAGE @ 20h 07m 43.71s +03° 28' 53.2"
 
 
 
 
WDS 20077+0327 HJ 2930 (HD 357818) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20077+0327 HJ 2930 distance=0' 20065+0305 BAL2015 distance=30' 20056+0330 NSN 728 distance=33' 20104+0330 BAL2527 distance=41' 20042+0312 TDT1949 distance=55' 20117+0335 UC 4117 distance=60' 20087+0227 UC 4099 distance=64' 20094+0428 UC 4105 distance=65' 20119+0348 STF2641 distance=65' 20041+0404 J 2296 distance=66' 20064+0433 BAL2961 distance=68' 20064+0225 UC 4085 distance=68' 20121+0306 HEI 581 distance=70' 20057+0434 J 603 distance=72' 20106+0428 UC 4113 distance=74' 20049+0429 TDT1956 distance=74' 20053+0433 J 3206 distance=74' 20112+0237 BAL2017 distance=75' 20122+0255 BAL2019 distance=75' 20043+0425 A 2277 distance=76' 20051+0435 HJ 2926 distance=77' 20128+0318 BAL2529 distance=78' 20077+0446 STF2627AB distance=78' 20077+0446 STF2627AC distance=78' 20077+0446 ARN 20AD distance=78' 20121+0246 BAL2018 distance=79' 20113+0425 J 2300 distance=79' 20066+0207 HJ 902 distance=84' 20105+0212 UC 4111 distance=88' 20132+0256 CRI 26 distance=88' 20018+0311 HJ 2920 distance=91' 20020+0257 HEI 818 distance=92' 20061+0159 HLD 156 distance=93' 20102+0204 HJ 2933 distance=93' 20068+0157 A 2278AB distance=94' 20068+0157 A 2278AC distance=94' 20041+0449 HJ 2925 distance=97' 20025+0232 BAL2014 distance=98' 20058+0504 BAL2960 distance=100' 20032+0444 HDS2860 distance=101' 20031+0213 BAL1541 distance=104' 20103+0149 BAL1545 distance=108' 20149+0315 BAL2021 distance=110' 20135+0440 J 550 distance=112' 20004+0303 J 2567BC distance=112' 20004+0303 J 2567AB distance=112' 20146+0242 BAL2020 distance=114' 20001+0338 A 2393 distance=115' 20117+0146 HJ 906AB distance=120' 20117+0146 HJ 906AC distance=120' 20117+0146 ABH 132AD distance=120' 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 20077+0327 HJ 2930 156 28.3
Show 20065+0305 BAL2015 346 12.4 30
Show 20056+0330 NSN 728 127 8.0 33
Show 20104+0330 BAL2527 197 6.1 41
Show 20042+0312 TDT1949 272 0.5 55
Show 20117+0335 UC 4117 298 41.9 60
Show 20087+0227 UC 4099 280 61.1 64
Show 20094+0428 UC 4105 342 31.1 65
Show 20119+0348 STF2641 168 20.7 65
Show 20041+0404 J 2296 283 8.8 66
Show 20064+0433 BAL2961 252 9.3 68
Show 20064+0225 UC 4085 155 39.4 68
Show 20121+0306 HEI 581 160 0.8 70
Show 20057+0434 J 603 127 3.0 72
Show 20106+0428 UC 4113 45 43.8 74
Show 20049+0429 TDT1956 297 0.5 74
Show 20053+0433 J 3206 110 5.8 74
Show 20112+0237 BAL2017 200 13.2 75
Show 20122+0255 BAL2019 46 6.0 75
Show 20043+0425 A 2277 349 1.8 76
Show 20051+0435 HJ 2926 346 17.9 77
Show 20128+0318 BAL2529 36 11.3 78
Show 20077+0446 STF2627 AB 32 2.0 78
Show 20077+0446 STF2627 AC 261 82.2 78
Show 20077+0446 ARN 20 AD 127 99.4 78
Show 20121+0246 BAL2018 341 17.2 79
Show 20113+0425 J 2300 300 4.1 79
Show 20066+0207 HJ 902 17 7.1 84
Show 20105+0212 UC 4111 272 32.7 88
Show 20132+0256 CRI 26 124 32.5 88
Show 20018+0311 HJ 2920 165 7.4 91
Show 20020+0257 HEI 818 24 2.1 92
Show 20061+0159 HLD 156 255 1.3 93
Show 20102+0204 HJ 2933 26 21.7 93
Show 20068+0157 A 2278 AB 214 0.9 94
Show 20068+0157 A 2278 AC 355 22.5 94
Show 20041+0449 HJ 2925 243 31.0 97
Show 20025+0232 BAL2014 35 11.6 98
Show 20058+0504 BAL2960 316 19.7 100
Show 20032+0444 HDS2860 342 0.2 101
Show 20031+0213 BAL1541 29 8.8 104
Show 20103+0149 BAL1545 345 15.3 108
Show 20149+0315 BAL2021 344 4.5 110
Show 20135+0440 J 550 141 4.2 112
Show 20004+0303 J 2567 BC 295 2.2 112
Show 20004+0303 J 2567 AB 158 81.0 112
Show 20146+0242 BAL2020 159 8.2 114
Show 20001+0338 A 2393 6 0.1 115
Show 20117+0146 HJ 906 AB 156 13.3 120
Show 20117+0146 HJ 906 AC 348 34.7 120
Show 20117+0146 ABH 132 AD 142 60.1 120

 
 
WDS 20077+0327 : COMPONENTS
 
 
  A
B pa=155.6°
sep=28.27"
 
 
20077+0327 A
 
 
Componente originario normalizzato AB Name HD 357818 Coord arcsec 2000 200743.71+032853.2 Mag 11.46
Spectral class G (yellow) PmRA 17.00 PmDE 2.0 Tycho2 0499-01502-1
HD 357818
Tycho2
Tycho2 0499-01502-1 Pflag RAmdeg 301.93214191 DEmdeg 3.48145698
PmRA 13.3 PmDE -3.3 E RAmdeg 35 E DEmdeg 39
E pmRA 1.8 E pmDE 1.8 EpRAm 1980.95 EpDEm 1978.89
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 11.964 E BTmag 0.102 VTmag 11.457
E VTmag 0.101 Prox 284 TYC T HIP
CCDM RAdeg 301.93211333 DEdeg 3.48147056 EpRA 1990 1.46
EpDE 1990 1.24 E RAdeg 55.2 E DEdeg 64.6 Posflg
Corr -0.4
 
 
20077+0327 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200744.49+032827.4 Mag 11.73 PmRA 18.00
PmDE 3.0 Calc delta mag 0.27 Calc coord yes