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Current system
21061+4448
ROE 45 BC


Nearby doubles
9' : 21051+4444
SMA 124

17' : 21073+4440
A 881

25' : 21071+4459
LDS2489

26' : 21080+4500
TDT2774

28' : 21080+4504
SMA 126

29' : 21079+4430
LDS2490

32' : 21075+4515
HJ 1615

44' : 21022+4506
LDS2481

50' : 21062+4535
LDS2487

51' : 21099+4422
STF2772

51' : 21067+4538
TDT2754

53' : 21046+4541
ES 1168

58' : 21018+4411
HO 600

61' : 21108+4417
A 882

66' : 21010+4528
ES 1271

67' : 21101+4359
HJ 1618AB

67' : 21103+4359
STF2773AB

68' : 21058+4341
BU 679

69' : 21111+4530
BRT1146

70' : 21105+4538
BRT1145

70' : 21118+4417
TDT2812

71' : 21028+4551
BU 1138AB

72' : 21120+4419
TDT2816

74' : 20599+4525
HEI 15

74' : 20596+4432
LDS2477

77' : 21137+4453
LDS2498



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.

21061+4448 ROE 45 BC

 
 
21h 05m 55.55s +44° 48' 10.5" P.A. 238.00 sep 123.3 mag 10.38,10.60
 
 
Coord 2000 21061+4448 Discov num ROE  45 Comp BC Coord arcsec 2000 21 05 55.55 +44 48 10.5
Date first 1892 Date last 2015 Obs 13
Pa first 239 Pa last 238 P.A. Now (θ) 238°
Sep first 126.7 Sep last 123.274 Sep. Now (ρ) 123.274"
Mag pri 10.38 Mag sec 10.60 delta mag (ΔM) 0.22 Spectral class
Pri motion ra -002 Sec motion ra +022
Pri motion dec -011 Sec motion dec +007
Notes
rPM=1.299
This double is not physical.
 
 
21061+4448 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201115 50449 21 06 08 +44 47 34 ROE 45 AB 2015 13 286 134.5 8.22 10.38 2.16
Show 50449 21 06 08 +44 47 34 ROE 45 AD 2015 13 241 131.8 8.22 10.53 2.31
Show 21 05 56 +44 48 10 ROE 45 BC 2015 13 238 123.3 10.38 10.60 0.22 <===
Show 21 05 56 +44 48 10 ROE 45 BF 2016 8 312 10.8 10.38 13.00 2.62
Show 21 05 46 +44 47 05 TDT 2745 Ca,Cb 1991 1 116 0.6 11.11 11.39 0.28
Show 21 05 46 +44 47 05 ROE 45 CD 2015 11 107 124.4 10.60 10.53 0.07
Show 21 05 57 +44 46 30 ROE 45 DE 2016 11 6 27.5 10.53 11.72 1.19
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3180-01763-1 Gaia DR2 2162427836398336640
 
 
WDS 21061+4448 ROE 45 BC : 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
21061+4448 ROE 45 BC 2004 7 238 123.4 10.38 11.11 D 210555.55+444810.5
21061+4448 ROE 45 BC 2012 9 238 123.4 10.38 10.60 D 210555.55+444810.5
21061+4448 ROE 45 BC 2015 10 238 123.3 10.38 10.60 210555.55+444810.5

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

 
 
WDS 21061+4448 ROE 45 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21061+4448 ROE 45 BC : MEASURES
 
 
No records found.

 
 
WDS 21061+4448 : VIRTUAL EYEPIECE
 
 

21061+4448 ROE 45A mag 8.22 Sp K0 21061+4448 ROE 45B sep 133.7 P.A. 286.10 mag 10.38 21061+4448 ROE 45C sep 235.3 P.A. 263.00 mag 10.6 21061+4448 TDT2745Cb sep 234.9 P.A. 263.00 mag 11.39 21061+4448 ROE 45D sep 130.7 P.A. 240.70 mag 10.53 21061+4448 ROE 45E sep 117.8 P.A. 252.00 mag 11.72 21061+4448 ROE 45F sep 141.3 P.A. 288.30 mag 13 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 21061+4448 : ALADIN DSS IMAGE @ 21h 05m 55.55s +44° 48' 10.5"
 
 
 
 
WDS 21061+4448 ROE 45 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21061+4448 ROE 45BC distance=0' 21061+4448 ROE 45DE distance=2' 21061+4448 TDT2745Ca,Cb distance=3' 21061+4448 ROE 45CD distance=3' 21061+4448 ROE 45AB distance=3' 21061+4448 ROE 45AD distance=3' 21051+4444 SMA 124 distance=9' 21073+4440 A 881 distance=17' 21071+4459 LDS2489 distance=25' 21080+4500 TDT2774 distance=26' 21080+4504 SMA 126 distance=28' 21079+4430 LDS2490 distance=29' 21075+4515 HJ 1615 distance=32' 21022+4506 LDS2481 distance=44' 21062+4535 LDS2487 distance=50' 21099+4422 STF2772 distance=51' 21067+4538 TDT2754 distance=51' 21046+4541 ES 1168 distance=53' 21018+4411 HO 600 distance=58' 21108+4417 A 882 distance=61' 21010+4528 ES 1271 distance=66' 21101+4359 HJ 1618AB distance=67' 21101+4359 HJ 1618BC distance=67' 21103+4359 STF2773AB distance=67' 21103+4359 STF2773AC distance=67' 21103+4359 STF2773AD distance=67' 21103+4359 STF2773AE distance=67' 21058+4341 BU 679 distance=68' 21103+4359 STF2773EF distance=68' 21111+4530 BRT1146 distance=69' 21105+4538 BRT1145 distance=70' 21118+4417 TDT2812 distance=70' 21028+4551 BU 1138AB distance=71' 21028+4551 BU 1138AC distance=71' 21120+4419 TDT2816 distance=72' 21028+4551 KUI 104CD distance=74' 21028+4551 FYM 331CF distance=74' 21028+4551 BU 1138CE distance=74' 21028+4551 HLA 30CG distance=74' 20599+4525 HEI 15 distance=74' 20596+4432 LDS2477 distance=74' 21137+4453 LDS2498 distance=77' 21053+4328 LDS2486 distance=80' 21136+4433 ES 1333 distance=84' 20583+4428 RBR 50 distance=84' 21112+4346 ES 1454AB distance=85' 21121+4543 ES 9005BD distance=85' 21121+4543 BU 160BC distance=85' 21121+4543 BU 160AB distance=85' 21112+4346 ES 1454BC distance=86' 21114+4551 COU2435 distance=86' 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 21061+4448 ROE 45 BC 238 123.3
Show 21061+4448 ROE 45 BF 312 10.8
Show 21061+4448 ROE 45 DE 6 27.5 2
Show 21061+4448 TDT2745 Ca,Cb 116 0.6 3
Show 21061+4448 ROE 45 CD 107 124.4 3
Show 21061+4448 ROE 45 AB 286 134.5 3
Show 21061+4448 ROE 45 AD 241 131.8 3
Show 21051+4444 SMA 124 72 9.2 9
Show 21073+4440 A 881 218 4.3 17
Show 21071+4459 LDS2489 255 16.0 25
Show 21080+4500 TDT2774 173 1.8 26
Show 21080+4504 SMA 126 18 8.9 28
Show 21079+4430 LDS2490 190 12.6 29
Show 21075+4515 HJ 1615 277 14.4 32
Show 21022+4506 LDS2481 16 12.1 44
Show 21062+4535 LDS2487 271 5.2 50
Show 21099+4422 STF2772 224 12.4 51
Show 21067+4538 TDT2754 233 0.5 51
Show 21046+4541 ES 1168 118 1.4 53
Show 21018+4411 HO 600 98 2.1 58
Show 21108+4417 A 882 228 2.6 61
Show 21010+4528 ES 1271 26 3.1 66
Show 21101+4359 HJ 1618 AB 174 21.7 67
Show 21101+4359 HJ 1618 BC 132 2.9 67
Show 21103+4359 STF2773 AB 112 3.3 67
Show 21103+4359 STF2773 AC 64 20.3 67
Show 21103+4359 STF2773 AD 262 29.4 67
Show 21103+4359 STF2773 AE 149 52.2 67
Show 21058+4341 BU 679 75 0.7 68
Show 21103+4359 STF2773 EF 41 10.7 68
Show 21111+4530 BRT1146 344 2.6 69
Show 21105+4538 BRT1145 163 3.8 70
Show 21118+4417 TDT2812 258 0.5 70
Show 21028+4551 BU 1138 AB 172 0.1 71
Show 21028+4551 BU 1138 AC 330 152.1 71
Show 21120+4419 TDT2816 89 0.3 72
Show 21028+4551 KUI 104 CD 85 2.7 74
Show 21028+4551 FYM 331 CF 39 11.9 74
Show 21028+4551 BU 1138 CE 249 23.6 74
Show 21028+4551 HLA 30 CG 148 7.3 74
Show 20599+4525 HEI 15 321 0.9 74
Show 20596+4432 LDS2477 285 8.0 74
Show 21137+4453 LDS2498 316 13.0 77
Show 21053+4328 LDS2486 329 78.2 80
Show 21136+4433 ES 1333 296 1.6 84
Show 20583+4428 RBR 50 76 0.4 84
Show 21112+4346 ES 1454 AB 111 66.8 85
Show 21121+4543 ES 9005 BD 84 22.3 85
Show 21121+4543 BU 160 BC 115 6.4 85
Show 21121+4543 BU 160 AB 155 57.1 85
Show 21112+4346 ES 1454 BC 285 3.2 86

 
 
WDS 21061+4448 : COMPONENTS
 
 
  A B C Cb D E
B pa=286.1°
sep=133.69"
 
C pa=263.0°
sep=235.30"
pa=238.1°
sep=123.81"
 
Cb pa=263.0°
sep=234.94"
pa=237.9°
sep=123.62"
pa=123.9°
sep=0.47"
 
D pa=240.7°
sep=130.71"
pa=171.8°
sep=101.93"
pa=106.5°
sep=124.70"
pa=106.4°
sep=124.25"
 
E pa=252.0°
sep=117.84"
pa=167.4°
sep=75.32"
pa=93.8°
sep=121.80"
pa=93.7°
sep=121.39"
pa=4.1°
sep=27.47"
 
F pa=288.3°
sep=141.27"
pa=322.1°
sep=9.23"
pa=53.8°
sep=123.18"
pa=53.6°
sep=123.02"
pa=349.4°
sep=110.04"
pa=344.7°
sep=83.76"
 
 
21061+4448 A
 
 
Name HD 201115 Coord arcsec 2000 210607.62+444733.5 Mag 8.22 Spectral class K0 (yellow-orange)
PmRA 55.00 PmDE 28.0 SAO 50449 Tycho2 3180-00341-1
HD 201115 DM BD+44 3700
Tycho2
Tycho2 3180-00341-1 Pflag RAmdeg 316.53178745 DEmdeg 44.79263985
PmRA 53.5 PmDE 28.3 E RAmdeg 7 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.06 EpDEm 1991.13
Num 7 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.1 BTmag 9.552 E BTmag 0.020 VTmag 8.222
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 316.53161194 DEdeg 44.79257500 EpRA 1990 1.65
EpDE 1990 1.73 E RAdeg 6.8 E DEdeg 7.1 Posflg
Corr 0.0
SAO
SAO 50449 DelFlag RA1950 PmRA1950 0.0048
DE1950 PmDE1950 -0.007 Vmag 8.1 SpType K0
Double code Source 4 CatNum 1879 DM BD+44 3700
DMcomp BDsup HD 201115 M HD 0
GC RA1950rad 5.51663889 DE1950rad 0.77825566 PmRA2000 0.0051
PmDE2000 -0.01
 
 
21061+4448 B
 
 
Coord arcsec 2000 210555.55+444810.5 Coord calc 210555.55+444810.5 Mag 10.38 PmRA -2.00
PmDE -11.0 Tycho2 3180-01763-1 Calc delta mag 2.16
Tycho2
Tycho2 3180-01763-1 Pflag RAmdeg 316.48147573 DEmdeg 44.80291821
PmRA -0.7 PmDE -9.8 E RAmdeg 24 E DEmdeg 23
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.23 EpDEm 1987.34
Num 4 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 10.748 E BTmag 0.041 VTmag 10.384
E VTmag 0.042 Prox 761 TYC T HIP
CCDM RAdeg 316.48148222 DEdeg 44.80293833 EpRA 1990 1.67
EpDE 1990 1.74 E RAdeg 25.3 E DEdeg 27.3 Posflg
Corr 0.0
 
 
21061+4448 C
 
 
Coord arcsec 2000 210545.68+444705.0 Coord calc 210545.68+444705.0 Mag 10.6 PmRA 22.00
PmDE 7.0 Tycho2 3180-00903-1 Calc delta mag 2.38
Tycho2
Tycho2 3180-00903-1 Pflag RAmdeg 316.44036083 DEmdeg 44.78473500
PmRA 22.5 PmDE 7.1 E RAmdeg 29 E DEmdeg 32
E pmRA 1.5 E pmDE 1.5 EpRAm 1986.07 EpDEm 1985.33
Num 4 Q RAmdeg 0.2 Q DEmdeg 1.0 Q pmRA 0.2
Q pmDE 0.9 BTmag 11.246 E BTmag 0.060 VTmag 10.604
E VTmag 0.051 Prox 999 TYC T HIP
CCDM RAdeg 316.44028944 DEdeg 44.78471833 EpRA 1990 1.68
EpDE 1990 1.79 E RAdeg 35.1 E DEdeg 36.8 Posflg
Corr 0.0
 
 
21061+4448 Cb
 
 
Coord arcsec 2000 210545.72+444704.7 Mag 11.39 PmRA 23.00 PmDE 7.0
Calc delta mag 3.17 Calc coord yes
 
 
21061+4448 D
 
 
Coord arcsec 2000 210556.91+444629.6 Coord calc 210556.91+444629.6 Mag 10.53 PmRA -2.00
PmDE -11.0 Tycho2 3180-01177-1 Calc delta mag 2.31
Tycho2
Tycho2 3180-01177-1 Pflag RAmdeg 316.48713217 DEmdeg 44.77490281
PmRA -0.3 PmDE -8.8 E RAmdeg 23 E DEmdeg 27
E pmRA 1.5 E pmDE 1.5 EpRAm 1987.40 EpDEm 1986.43
Num 4 Q RAmdeg 1.8 Q DEmdeg 1.1 Q pmRA 1.8
Q pmDE 1.1 BTmag 10.849 E BTmag 0.045 VTmag 10.526
E VTmag 0.048 Prox 270 TYC T HIP
CCDM RAdeg 316.48714083 DEdeg 44.77492500 EpRA 1990 1.68
EpDE 1990 1.75 E RAdeg 28.2 E DEdeg 31.5 Posflg
Corr 0.0
 
 
21061+4448 E
 
 
Coord arcsec 2000 210557.10+444657.0 Mag 11.72 PmRA -13.00 PmDE 24.0
Tycho2 3180-00981-1 Calc delta mag 3.5 Calc coord yes
Tycho2
Tycho2 3180-00981-1 Pflag RAmdeg 316.48829434 DEmdeg 44.78244228
PmRA -15.3 PmDE 28.5 E RAmdeg 87 E DEmdeg 87
E pmRA 2.1 E pmDE 2.0 EpRAm 1968.08 EpDEm 1963.93
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.1 Q pmRA 0.1
Q pmDE 1.0 BTmag 12.941 E BTmag 0.282 VTmag 11.722
E VTmag 0.154 Prox 270 TYC HIP
CCDM RAdeg 316.48834444 DEdeg 44.78237722 EpRA 1990 1.64
EpDE 1990 1.77 E RAdeg 100.3 E DEdeg 102.6 Posflg
Corr 0.0
 
 
21061+4448 F
 
 
Coord arcsec 2000 210555.02+444817.8 Mag 13 PmRA 4.00 PmDE -1.0
Calc delta mag 4.78 Calc coord yes