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Doubles in session


Current system
21221+1948
STFB 11 AC


Nearby doubles
26' : 21215+1924
J 3316

26' : 21228+1925
BRT2494

29' : 21237+1931
COU 429AB

30' : 21200+1953
GRV 447

36' : 21237+2016
COU 230

40' : 21248+1956
KPP3370

45' : 21228+1905
ARY 69

61' : 21259+2017
CVR 901

65' : 21209+2050
CBL 531

67' : 21212+1841
J 160

73' : 21234+1838
GRV 459

75' : 21267+2027
UC 4468

83' : 21221+1825
UC 4459

83' : 21269+2033
GRV 469

87' : 21282+1943
UC 4474

88' : 21257+2058
J 3138

88' : 21161+2011
SLW1234

92' : 21252+1828
COU 430AB

93' : 21284+1924
CVR 247

94' : 21174+2053
KUI 106

95' : 21247+2116
HU 370

98' : 21179+1831
HU 368

100' : 21235+2125
SKF 15

100' : 21194+1816
COU 70

102' : 21187+2118
ARY 62AB

103' : 21287+2028
J 611



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.

21221+1948 STFB 11 AC

 
 
21h 22m 05.13s +19° 48' 15.7" P.A. 13.00 sep 64.3 mag 4.20,12.90 Sp K1III dist. 47.78 pc (155.86 l.y.)
 
 
Coord 2000 21221+1948 Discov num STFB 11 Comp AC Coord arcsec 2000 21 22 05.13 +19 48 15.7
Date first 1912 Date last 2017 Obs 8
Pa first 20 Pa last 13 P.A. Now (θ) 13°
Sep first 75.7 Sep last 64.34 Sep. Now (ρ) 64.34"
Mag pri 4.20 Mag sec 12.90 delta mag (ΔM) 8.7 Spectral class K1III (yellow-orange)
Pri motion ra +105 Sec motion ra +003
Pri motion dec +063 Sec motion dec -017
Notes N S (See Notes, Parallax indidates non-physical)
rPM=1.059
This double is not physical.
 
 
21221+1948 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 1 Peg 107073 21 22 05 +19 48 16 STFB 11 AB 2020 85 313 36.6 4.20 9.30 5.10 Y
Show 107073 21 22 05 +19 48 16 STFB 11 AC 2017 8 13 64.3 4.20 12.90 8.70 <===
Show 107073 21 22 05 +19 48 16 TOK 9001 AD 1993 3 151 5.3 4.20 9.60 5.40
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus SAO 107073 HIP 105502 Tycho2 1671-00986-1
Gaia DR2 1790202365372381056 HD 203504 HR 8173 GC 29914
ADS 14909 BD BD+19 4691 Flamsteed 1 Pegasi Flamsteed name 1 Peg
FK5 804 Distance 47.78 Distance ly 155.86
 
 
WDS 21221+1948 STFB 11 AC : NOTES
 
 
discov_num notes refcode
STFB 11 1 Peg. STTA218. B is a spectroscopic binary, P = 1111d, and is
BD+19@4690. Spectrum K0V.
Mk III Limb-darkened diameter 4.7 +/- 0.4 mas. MkT1989
NPOI Limb-darkened diameter 2.315 +/- 0.023 mas, Sp = K1III, NOI2018
R = 11.89 +/- 0.15 \rsun, Teff = 4725 +/- 64 K, L = 63.5 +/- 3.3 \lsun,
M = 1.60 +/- 0.18 \msun, Age = 2.04 +/- 0.54 Gyr.
AB: H 5 20. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
MkT1989 not j Hutter, D.J., Johnston, K.J., Mozurkewich, D., Simon, R.S., Colavita, M.M., Pan, 1989ApJ...340.1103H
MkT1989 X.P., Shao, M., Hines, B.E., Staelin, D.H., Hershey, J.L., Hughes, J.A. & Kaplan, .
MkT1989 G.H. .
MkT1989 ApJ 340, 1103, 1989 .
NOI2018 not j Baines, E.K., Armstrong, J.T., Schmitt, H.R., Zavala, R.T., Benson, J.A., Hutter, 2018AJ....155...30B
NOI2018 D.J., Tycner, C. & van Belle, G.T.
NOI2018 AJ 155, 30, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
34 TOK Tokovinin, A.A.
81 TOK Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., &
81 TOK Weigelt, G.
95 TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
95 TOK Martinez, M., & Mondaca, E.
163 TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
163 TOK Ratzloff, J. & Walter, F.M.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21221+1948 STFB 11 AC 1921 2 19 74.3 4.20 12.10 K0.5III N D 212205.13+194815.7
21221+1948 STFB 11 AC 2012 3 12 64.7 4.20 12.10 K0.5III N D 212205.13+194815.7
21221+1948 STFB 11 AC 2017 6 13 64.3 4.20 12.90 K0.5III N 212205.13+194815.7

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

 
 
WDS 21221+1948 STFB 11 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21221+1948 STFB 11 AC : MEASURES
 
 
No records found.

 
 
WDS 21221+1948 : VIRTUAL EYEPIECE
 
 

21221+1948 STFB 11A mag 4.2 Sp K1III 21221+1948 STFB 11B sep 35.5 P.A. 314.50 mag 9.3 Sp K0V 21221+1948 STFB 11C sep 64.2 P.A. 12.30 mag 12.9 21221+1948 TOK9001D sep 5.2 P.A. 152.20 mag 9.6 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 21221+1948 : ALADIN DSS IMAGE @ 21h 22m 05.13s +19° 48' 15.7"
 
 
 
 
WDS 21221+1948 STFB 11 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21221+1948 STFB 11AC distance=0' 21215+1924 J 3316 distance=26' 21228+1925 BRT2494 distance=26' 21237+1931 COU 429AB distance=29' 21200+1953 GRV 447 distance=30' 21237+2016 COU 230 distance=36' 21248+1956 KPP3370 distance=40' 21228+1905 ARY 69 distance=45' 21259+2017 CVR 901 distance=61' 21209+2050 CBL 531 distance=65' 21212+1841 J 160 distance=67' 21234+1838 GRV 459 distance=73' 21267+2027 UC 4468 distance=75' 21221+1825 UC 4459 distance=83' 21269+2033 GRV 469 distance=83' 21282+1943 UC 4474 distance=87' 21257+2058 J 3138 distance=88' 21161+2011 SLW1234 distance=88' 21252+1828 COU 430AB distance=92' 21252+1828 ARY 70AC distance=92' 21284+1924 CVR 247 distance=93' 21174+2053 KUI 106 distance=94' 21247+2116 HU 370 distance=95' 21179+1831 HU 368 distance=98' 21235+2125 SKF 15 distance=100' 21194+1816 COU 70 distance=100' 21187+2118 HDS3033Aa,Ab distance=102' 21187+2118 ARY 62AB distance=102' 21287+2028 J 611 distance=103' 21274+1837 BRT2495 distance=104' 21290+1906 J 579 distance=106' 21234+2139 J 2345 distance=112' 21248+1804 FMR 235 distance=112' 21147+2034 TDT2853 distance=114' 21192+2134 TDT2900 distance=114' 21194+2136 UC 4442 distance=115' 21182+1807 BPMA253 distance=116' 21138+1942 GWP3047 distance=117' 21224+2146 GRV 457 distance=119' 21138+2025 TDT2838 distance=123' 21169+2129 TDS1122 distance=124' 21174+2135 COU 228 distance=126' 21132+2006 LDS4870 distance=127' 21132+1915 GWP3045 distance=130' 21162+2128 SLW1235 distance=130' 21187+2149 LDS4878 distance=131' 21197+2155 TDT2907 distance=132' 21252+1742 BPM2372 distance=135' 21133+2041 BRT2493 distance=135' 21157+2128 RAO 450 distance=135' 21251+1740 BPM2371 distance=135' 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 21221+1948 STFB 11 AB 313 36.6
Show 21221+1948 STFB 11 AC 13 64.3
Show 21221+1948 TOK9001 AD 151 5.3
Show 21215+1924 J 3316 164 6.0 26
Show 21228+1925 BRT2494 168 4.4 26
Show 21237+1931 COU 429 AB 161 1.5 29
Show 21200+1953 GRV 447 277 32.2 30
Show 21237+2016 COU 230 187 0.9 36
Show 21248+1956 KPP3370 333 0.9 40
Show 21228+1905 ARY 69 329 111.4 45
Show 21259+2017 CVR 901 143 28.8 61
Show 21209+2050 CBL 531 327 25.5 65
Show 21212+1841 J 160 290 3.2 67
Show 21234+1838 GRV 459 216 24.4 73
Show 21267+2027 UC 4468 334 43.8 75
Show 21221+1825 UC 4459 183 27.4 83
Show 21269+2033 GRV 469 264 21.2 83
Show 21282+1943 UC 4474 276 9.5 87
Show 21257+2058 J 3138 256 3.1 88
Show 21161+2011 SLW1234 135 83.9 88
Show 21252+1828 COU 430 AB 229 0.8 92
Show 21252+1828 ARY 70 AC 98 63.0 92
Show 21284+1924 CVR 247 263 79.8 93
Show 21174+2053 KUI 106 341 4.4 94
Show 21247+2116 HU 370 105 2.1 95
Show 21179+1831 HU 368 312 0.2 98
Show 21235+2125 SKF 15 262 40.2 100
Show 21194+1816 COU 70 349 1.7 100
Show 21187+2118 HDS3033 Aa,Ab 319 0.0 102
Show 21187+2118 ARY 62 AB 105 88.1 102
Show 21287+2028 J 611 21 1.8 103
Show 21274+1837 BRT2495 64 3.0 104
Show 21290+1906 J 579 182 3.7 106
Show 21234+2139 J 2345 202 4.6 112
Show 21248+1804 FMR 235 287 8.0 112
Show 21147+2034 TDT2853 221 1.7 114
Show 21192+2134 TDT2900 220 1.3 114
Show 21194+2136 UC 4442 99 59.2 115
Show 21182+1807 BPMA253 239 269.4 116
Show 21138+1942 GWP3047 184 7.7 117
Show 21224+2146 GRV 457 323 77.2 119
Show 21138+2025 TDT2838 20 0.5 123
Show 21169+2129 TDS1122 248 1.4 124
Show 21174+2135 COU 228 47 0.7 126
Show 21132+2006 LDS4870 32 369.6 127
Show 21132+1915 GWP3045 147 18.4 130
Show 21162+2128 SLW1235 134 10.4 130
Show 21187+2149 LDS4878 10 12.6 131
Show 21197+2155 TDT2907 91 1.0 132
Show 21252+1742 BPM2372 24 99.6 135
Show 21133+2041 BRT2493 316 4.3 135

 
 
WDS 21221+1948 : COMPONENTS
 
 
  A B C
B pa=314.5°
sep=35.49"
 
C pa=12.3°
sep=64.15"
pa=45.8°
sep=54.24"
 
D pa=152.2°
sep=5.24"
pa=136.8°
sep=40.51"
pa=189.4°
sep=68.24"
 
 
21221+1948 A
 
 
Name 1 Peg Coord arcsec 2000 212205.13+194815.7 Mag 4.2 Spectral class K1III (yellow-orange)
PmRA 105.00 PmDE 63.0 SAO 107073 HIP 105502
Tycho2 1671-00986-1 HD 203504 HR 8173 GC 29914
ADS 14909 BD BD+19 4691 Flamsteed 1 Pegasi Flamsteed name 1 Peg
FK5 804
Tycho2
Tycho2 1671-00986-1 Pflag RAmdeg 320.52166820 DEmdeg 19.80450879
PmRA 106.4 PmDE 62.8 E RAmdeg 3 E DEmdeg 3
E pmRA 0.4 E pmDE 0.4 EpRAm 1990.69 EpDEm 1990.91
Num 20 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.8 BTmag 5.493 E BTmag 0.014 VTmag 4.200
E VTmag 0.009 Prox 362 TYC T HIP 105502
CCDM RAdeg 320.52140917 DEdeg 19.80436583 EpRA 1990 1.76
EpDE 1990 1.82 E RAdeg 3.3 E DEdeg 3.3 Posflg
Corr -0.2
SAO
SAO 107073 DelFlag RA1950 PmRA1950 0.0074
DE1950 PmDE1950 0.066 Vmag 4.3 SpType K0
Double code Source 74 CatNum 804 DM BD+19 4691
DMcomp BDsup HD 203504 M HD 0
GC 29914 RA1950rad 5.58406071 DE1950rad 0.34190403 PmRA2000 0.0074
PmDE2000 0.063
Hipparcos
Catalog H HIP 105502 Proxy RAhms 21 22 05.13
DEdms +19 48 15.7 Vmag 4.08 VarFlag R Vmag H
RAdeg 320.521 DEdeg 19.8044 AstroRef Plx 21.19
CCDM 21221+1949 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 203504 BD BD+19 4691
CD CP Dm number +19 4691 VIred 1.05
SpType K1III R SpType Coord arcsec 2000 212205.13+194815.7
Hipparcos 2
HIP 105502 Sn 5 So 0 Nc 1
RArad 5.5941536047 DErad 0.3456512143 Plx 20.93 PmRA 105.35
PmDE 63.51 E RArad 0.13 E DErad 0.13 E Plx 0.17
E pmRA 0.18 E pmDE 0.15 Hpmag 4.2483 E Hpmag 0.0004
SHp 0.004 VA 0 BV 1.108 E BV 0.002
VI 1.05
 
 
21221+1948 B
 
 
Coord arcsec 2000 212203.34+194840.6 Mag 9.3 Spectral class K0V (yellow-orange) PmRA 119.00
PmDE 56.0 ADS 14909 DM BD+19 4690 Calc delta mag 5.1
Calc coord yes
 
 
21221+1948 C
 
 
Coord arcsec 2000 212206.09+194918.4 Mag 12.9 PmRA 3.00 PmDE -17.0
Calc delta mag 8.7 Calc coord yes
 
 
21221+1948 D
 
 
Coord arcsec 2000 212205.30+194811.1 Mag 9.6 Calc delta mag 5.4 Calc coord yes