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Doubles in session


Current system
20159+4257
ROE 42


Nearby doubles
12' : 20159+4307
BRT2257

12' : 20151+4249
A 388

24' : 20158+4233
ES 1567

32' : 20179+4319
ES 1440

35' : 20188+4244
HO 124

36' : 20137+4323
BU 660AB

39' : 20167+4335
FOX 251

40' : 20190+4316
WFC 231

42' : 20195+4307
TDS1059

42' : 20169+4337
FOX 252

43' : 20165+4339
ES 1439

43' : 20157+4339
A 2095AB

45' : 20189+4227
HJ 1503

45' : 20142+4216
TDT2110

45' : 20187+4329
TDT2158

52' : 20133+4214
COU2638

54' : 20144+4206
STT 403AB

56' : 20114+4232
ES 1566

60' : 20168+4158
ES 1568AB

61' : 20210+4320
TDT2198

63' : 20105+4316
ROE 41

66' : 20219+4257
BRT2262

70' : 20212+4335
HJ 1505

72' : 20211+4341
A 46AB

74' : 20205+4351
BU 1207AB

76' : 20107+4208
COU2637



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.

20159+4257 ROE 42

 
 
20h 15m 54.16s +42° 56' 34.4" P.A. 91.00 sep 6.1 mag 10.68,11.06
 
 
Coord 2000 20159+4257 Discov num ROE  42 Comp Coord arcsec 2000 20 15 54.16 +42 56 34.4
Date first 1892 Date last 2016 Obs 20
Pa first 94 Pa last 91.2 P.A. Now (θ) 91.2°
Sep first 6.0 Sep last 6.051 Sep. Now (ρ) 6.051"
Mag pri 10.68 Mag sec 11.06 delta mag (ΔM) 0.38 Spectral class
Pri motion ra +004 Sec motion ra +005
Pri motion dec -008 Sec motion dec -008
Notes
rPM=0.106 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3159-00956-2 Gaia DR2 2080822942373675392 ADS 13615
 
 
WDS 20159+4257 ROE 42 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Roe1908 Ma - Roe, E.D. 1908AN....178..169R
Roe1908 AN 178, 169, 1908
Roe1909 Ma - Roe, E.D. 1909AN....181..285R
Roe1909 AN 181, 285, 1909
Roe1910a Ma - Roe, E.D. 1910AJ.....26...93R
Roe1910a AJ 26, 93, 1910
Roe1910b Ma j Roe, E.D. ...................
Roe1910b Journal Astronomique 1, no. 4, 25, 1910
Roe1910c Ma - Roe, E.D. 1910AN....183..197R
Roe1910c AN 183, 197, 1910
Roe1910d Ma j Roe, E.D. 1910PA.....18..354R
Roe1910d Popular Astronomy 18, 354, 1910
Roe1910e Ma j Roe, E.D. 1910PA.....18..554R
Roe1910e Popular Astronomy 18, 554, 1910
Roe1911a Ma - Roe, E.D. 1911AN....187...39R
Roe1911a AN 187, 39, 1911
Roe1911b Ma - Roe, E.D. 1911AN....188..373R
Roe1911b AN 188, 373, 1911
Roe1911c Ma - Roe, E.D. 1911AN....190..137R
Roe1911c AN 190, 137, 1911
Roe1911d Ma j Roe, E.D. 1911PA.....19..383R
Roe1911d Popular Astronomy 19, 383, 1911
Roe1914 Ma j Roe, E.D. 1914AN....199..169R
Roe1914 AN 199, 169, 1914
Roe1915 Ma - Roe, E.D. 1915AN....202..99R
Roe1915 AN 202, 99, 1915
Roe1917 Ma j Roe, E.D. 1917AN....204...21R
Roe1917 AN 204, 21, 1917
Roe1918 Ma - Roe, E.D. 1918AJ.....31..149R
Roe1918 AJ 31, 149, 1918
Roe1919a Ma j Roe, E.D. 1919AJ.....32....6R
Roe1919a AJ 32, 6, 1919
Roe1919b Ma j Roe, E.D. 1919AJ.....32...25R
Roe1919b AJ 32, 25, 1919
Roe1932A - Roe, E.D. 1932QB821.A43......
Roe1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20159+4257 ROE 42 2006 7 92 6.0 10.68 11.06 D 201554.16+425634.4
20159+4257 ROE 42 2007 14 91 6.0 10.68 11.06 201554.16+425634.4
20159+4257 ROE 42 2010 15 93 4.8 10.68 11.06 201554.16+425634.4
20159+4257 ROE 42 2015 15 91 6.1 10.68 11.06 201554.16+425634.4
20159+4257 ROE 42 2016 20 91 6.1 10.68 11.06 201554.16+425634.4

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

 
 
WDS 20159+4257 ROE 42 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20159+4257 ROE 42 : MEASURES
 
 
No records found.

 
 
WDS 20159+4257 : VIRTUAL EYEPIECE
 
 

20159+4257 ROE 42A mag 10.68 20159+4257 ROE 42B sep 4.4 P.A. 91.60 mag 11.06 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 20159+4257 : ALADIN DSS IMAGE @ 20h 15m 54.16s +42° 56' 34.4"
 
 
 
 
WDS 20159+4257 ROE 42 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20159+4257 ROE 42 distance=0' 20159+4307 BRT2257 distance=12' 20151+4249 A 388 distance=12' 20158+4233 ES 1567 distance=24' 20179+4319 ES 1440 distance=32' 20188+4244 HO 124 distance=35' 20137+4323 BU 660AB distance=36' 20137+4323 BU 660AC distance=36' 20137+4323 FOX 250AD distance=36' 20167+4335 FOX 251 distance=39' 20190+4316 WFC 231 distance=40' 20195+4307 TDS1059 distance=42' 20169+4337 FOX 252 distance=42' 20165+4339 ES 1439 distance=43' 20157+4339 FOX 39DE distance=43' 20157+4339 A 2095DF distance=43' 20157+4339 A 2095AB distance=43' 20157+4339 STF2659AB,C distance=43' 20157+4339 STF2659AB,D distance=43' 20189+4227 HJ 1503 distance=45' 20142+4216 TDT2110 distance=45' 20187+4329 TDT2158 distance=45' 20133+4214 COU2638 distance=52' 20144+4206 STT 403AB distance=54' 20144+4206 STF2657AC distance=54' 20114+4232 ES 1566 distance=56' 20168+4158 ES 1568BC distance=60' 20168+4158 ES 1568AB distance=60' 20210+4320 TDT2198 distance=61' 20105+4316 ROE 41 distance=63' 20219+4257 BRT2262 distance=66' 20212+4335 HJ 1505 distance=70' 20211+4341 A 46AB distance=72' 20211+4341 A 46AB,C distance=72' 20205+4351 BU 1207AB distance=74' 20205+4351 TRN 29AC distance=74' 20205+4351 IOT 2Aa,Ab distance=74' 20107+4208 COU2637 distance=76' 20090+4252 OSO 118AB distance=76' 20090+4252 OSO 118AC distance=76' 20229+4259 HO 128AB distance=78' 20229+4259 STTA207AC distance=78' 20121+4402 BRT2256 distance=78' 20197+4151 MMA 3 distance=78' 20229+4243 A 289AB distance=78' 20229+4243 A 289AC distance=78' 20229+4259 STTA207CD distance=79' 20229+4311 L 34 distance=79' 20224+4332 TDT2215 distance=80' 20213+4155 TDT2201 distance=86' 20102+4357 STT 400 distance=87' 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 20159+4257 ROE 42 91 6.1
Show 20159+4307 BRT2257 101 3.4 12
Show 20151+4249 A 388 36 0.7 12
Show 20158+4233 ES 1567 182 2.4 24
Show 20179+4319 ES 1440 256 2.6 32
Show 20188+4244 HO 124 357 0.9 35
Show 20137+4323 BU 660 AB 318 8.7 36
Show 20137+4323 BU 660 AC 190 58.2 36
Show 20137+4323 FOX 250 AD 279 31.5 36
Show 20167+4335 FOX 251 279 5.5 39
Show 20190+4316 WFC 231 331 7.4 40
Show 20195+4307 TDS1059 117 0.9 42
Show 20169+4337 FOX 252 246 18.6 42
Show 20165+4339 ES 1439 30 1.7 43
Show 20157+4339 FOX 39 DE 135 1.4 43
Show 20157+4339 A 2095 DF 48 7.6 43
Show 20157+4339 A 2095 AB 333 0.2 43
Show 20157+4339 STF2659 AB,C 311 2.7 43
Show 20157+4339 STF2659 AB,D 251 20.5 43
Show 20189+4227 HJ 1503 73 16.9 45
Show 20142+4216 TDT2110 178 4.5 45
Show 20187+4329 TDT2158 164 1.8 45
Show 20133+4214 COU2638 48 1.8 52
Show 20144+4206 STT 403 AB 170 0.9 54
Show 20144+4206 STF2657 AC 32 11.6 54
Show 20114+4232 ES 1566 352 6.0 56
Show 20168+4158 ES 1568 BC 187 2.3 60
Show 20168+4158 ES 1568 AB 292 12.8 60
Show 20210+4320 TDT2198 3 1.8 61
Show 20105+4316 ROE 41 338 6.0 63
Show 20219+4257 BRT2262 129 2.5 66
Show 20212+4335 HJ 1505 111 16.7 70
Show 20211+4341 A 46 AB 77 0.4 72
Show 20211+4341 A 46 AB,C 265 2.0 72
Show 20205+4351 BU 1207 AB 211 4.8 74
Show 20205+4351 TRN 29 AC 202 2.3 74
Show 20205+4351 IOT 2 Aa,Ab 152 0.0 74
Show 20107+4208 COU2637 121 0.5 76
Show 20090+4252 OSO 118 AB 150 12.2 76
Show 20090+4252 OSO 118 AC 237 21.2 76
Show 20229+4259 HO 128 AB 357 1.4 78
Show 20229+4259 STTA207 AC 65 85.8 78
Show 20121+4402 BRT2256 26 3.3 78
Show 20197+4151 MMA 3 105 11.0 78
Show 20229+4243 A 289 AB 154 3.9 78
Show 20229+4243 A 289 AC 351 70.5 78
Show 20229+4259 STTA207 CD 162 56.1 79
Show 20229+4311 L 34 174 4.5 79
Show 20224+4332 TDT2215 91 0.9 80
Show 20213+4155 TDT2201 359 0.6 86
Show 20102+4357 STT 400 329 0.7 87

 
 
WDS 20159+4257 : COMPONENTS
 
 
  A
B pa=91.6°
sep=4.43"
 
 
20159+4257 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201554.16+425634.4 Mag 10.68 PmRA 4.00
PmDE -8.0 Tycho2 3159-00956-1 ADS 13615 DM BD+42 3657
Tycho2
Tycho2 3159-00956-1 Pflag RAmdeg 303.97566599 DEmdeg 42.94287974
PmRA 4.4 PmDE -7.9 E RAmdeg 31 E DEmdeg 29
E pmRA 1.5 E pmDE 1.4 EpRAm 1987.16 EpDEm 1987.33
Num 3 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 11.022 E BTmag 0.048 VTmag 10.681
E VTmag 0.051 Prox 60 TYC T HIP
CCDM RAdeg 303.97565194 DEdeg 42.94289806 EpRA 1990 1.67
EpDE 1990 1.68 E RAdeg 32.3 E DEdeg 30.3 Posflg
Corr 0.1
 
 
20159+4257 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201554.56+425634.3 Mag 11.06 PmRA 5.00
PmDE -8.0 Tycho2 3159-00956-2 Calc delta mag 0.38 Calc coord yes
Tycho2
Tycho2 3159-00956-2 Pflag RAmdeg 303.97795121 DEmdeg 42.94286449
PmRA 5.3 PmDE -6.4 E RAmdeg 39 E DEmdeg 37
E pmRA 1.5 E pmDE 1.5 EpRAm 1984.81 EpDEm 1984.87
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.3 Q pmRA 1.1
Q pmDE 0.3 BTmag 11.176 E BTmag 0.056 VTmag 11.063
E VTmag 0.073 Prox 60 TYC T HIP
CCDM RAdeg 303.97793472 DEdeg 42.94287944 EpRA 1990 1.69
EpDE 1990 1.66 E RAdeg 39.5 E DEdeg 37.9 Posflg
Corr 0.1