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Doubles in session


Current system
21549+6159
OSO 161 AC


Nearby doubles
18' : 21552+6217
TDT3239

20' : 21564+6216
HU 973

22' : 21521+6206
KR 56

25' : 21576+6144
MLR 63

26' : 21543+6134
ES 1922

35' : 21546+6234
PET 15

36' : 21599+6200
STI1079

36' : 21510+6137
STT 451

37' : 21502+6144
TDT3186

38' : 21518+6129
STI1063AB

38' : 21534+6235
STI1068

39' : 21538+6237
S 800AB

39' : 21540+6237
PET 14

42' : 22005+6145
TDT3286

43' : 21538+6241
PET 12

45' : 21573+6118
BU 275

46' : 21569+6242
ES 145AB

48' : 21506+6024
STI1059

51' : 22007+6229
KUI 110

51' : 21478+6203
HU 971AB

51' : 21485+6137
D 33AB

53' : 22014+6133
HDS3125

57' : 21481+6230
ES 1858AB

58' : 21470+6214
STI1050

59' : 22031+6214
STI1082

59' : 21514+6251
LDS5933



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21549+6159 OSO 161 AC

 
 
21h 54m 55.27s +61° 59' 16.2" P.A. 36.00 sep 21.8 mag 9.85,16.50 Sp K2
 
 
Coord 2000 21549+6159 Discov num OSO 161 Comp AC Coord arcsec 2000 21 54 55.27 +61 59 16.2
Date first 1994 Date last 2015 Obs 4
Pa first 39 Pa last 36.3 P.A. Now (θ) 36.3°
Sep first 18.2 Sep last 21.835 Sep. Now (ρ) 21.835"
Mag pri 9.85 Mag sec 16.50 delta mag (ΔM) 6.65 Spectral class K2 (yellow-orange)
Pri motion ra -075 Sec motion ra
Pri motion dec -172 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21549+6159 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 54 55 +61 59 16 OSO 161 AB 2014 5 335 14.8 11.64 19.00 7.36
Show 21 54 55 +61 59 16 OSO 161 AC 2015 4 36 21.8 9.85 16.50 6.65 <===
Show 21 54 55 +61 59 16 OSO 161 AD 2003 3 19 19.8 11.64 16.60 4.96
Show 21 54 55 +61 59 16 OSO 161 AE 2014 5 315 20.4 11.64 18.90 7.26
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2204280918303856640
 
 
WDS 21549+6159 OSO 161 AC : NOTES
 
 
discov_num notes refcode
OSO 161 G264-015. None is a common proper motion pair, based on comparison
with POSS2 red plates. Oso2004
 
 
REFERENCES
 
 
refcode metd author reference
Oso2004 C j Zapatero Osorio, M.R. & Martin, E.L. 2004A&A...419..167Z
Oso2004 +Pa A&A 419, 167, 2004
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21549+6159 OSO 161 AC 1994 1 39 18.2 11.64 18.20 N D 215455.27+615916.2
21549+6159 OSO 161 AC 1999 2 39 19.2 11.64 18.20 N D 215455.27+615916.2
21549+6159 OSO 161 AC 2003 3 38 20.0 11.64 18.20 N D 215455.27+615916.2
21549+6159 OSO 161 AC 2015 4 36 21.8 9.85 16.50 K2 N 215455.27+615916.2

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

 
 
WDS 21549+6159 OSO 161 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21549+6159 OSO 161 AC : MEASURES
 
 
No records found.

 
 
WDS 21549+6159 : VIRTUAL EYEPIECE
 
 

21549+6159 OSO 161A mag 11.64 Sp K2 21549+6159 OSO 161B sep 13.7 P.A. 347.40 mag 19 21549+6159 OSO 161C sep 18.6 P.A. 19.00 mag 16.5 21549+6159 OSO 161D sep 19.0 P.A. 9.10 mag 16.6 21549+6159 OSO 161E sep 15.9 P.A. 334.80 mag 18.9 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 21549+6159 : ALADIN DSS IMAGE @ 21h 54m 55.27s +61° 59' 16.2"
 
 
 
 
WDS 21549+6159 OSO 161 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21549+6159 OSO 161AC distance=0' 21552+6217 TDT3239 distance=18' 21564+6216 HU 973 distance=20' 21521+6206 KR 56 distance=22' 21576+6144 MLR 63 distance=25' 21543+6134 ES 1922 distance=26' 21546+6234 PET 15 distance=35' 21599+6200 STI1079 distance=36' 21510+6137 STT 451 distance=36' 21502+6144 TDT3186 distance=37' 21518+6129 MRI 58BC distance=38' 21518+6129 STI1063AB distance=38' 21534+6235 STI1068 distance=38' 21538+6237 ES 144BD distance=38' 21538+6237 S 800AB distance=39' 21538+6237 ES 144AC distance=39' 21538+6237 PET 13Aa,Ab distance=39' 21540+6237 PET 14 distance=39' 21538+6237 PET 13CE distance=39' 22005+6145 TDT3286 distance=42' 21538+6241 PET 12 distance=43' 21573+6118 BU 275 distance=45' 21569+6242 ES 145AB distance=46' 21569+6242 ES 145AC distance=46' 21506+6024 STI1059 distance=48' 22007+6229 KUI 110 distance=51' 21478+6203 HU 971AB distance=51' 21478+6203 HU 971AB,C distance=51' 21485+6137 D 33AB distance=51' 21485+6137 MLB 176AC distance=51' 22014+6133 HDS3125 distance=53' 21481+6230 ES 1858AB distance=57' 21481+6230 ES 1858AC distance=57' 21470+6214 STI1050 distance=58' 22031+6214 STI1082 distance=59' 21514+6251 LDS5933 distance=59' 21465+6152 ES 1857AB distance=61' 21465+6152 ES 1857AC distance=61' 21579+6101 MLR 17AB distance=62' 21579+6101 EVS 45AC distance=62' 21520+6258 MLB 178 distance=62' 22009+6250 HU 976 distance=66' 22026+6238 STI1081 distance=66' 21523+6306 STF2845AB distance=70' 21523+6306 MAD 12AC distance=70' 21474+6245 WIS 354 distance=70' 21450+6202 STI1047 distance=70' 22034+6233 ES 1859 distance=71' 22051+6204 STI1088 distance=73' 22051+6217 BU 697AB distance=74' 22051+6217 BU 697AC distance=74' 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 21549+6159 OSO 161 AB 335 14.8
Show 21549+6159 OSO 161 AC 36 21.8
Show 21549+6159 OSO 161 AD 19 19.8
Show 21549+6159 OSO 161 AE 315 20.4
Show 21552+6217 TDT3239 89 0.8 18
Show 21564+6216 HU 973 124 0.2 20
Show 21521+6206 KR 56 299 4.7 22
Show 21576+6144 MLR 63 216 1.0 25
Show 21543+6134 ES 1922 164 4.6 26
Show 21546+6234 PET 15 15 2.6 35
Show 21599+6200 STI1079 45 8.8 36
Show 21510+6137 STT 451 219 4.2 36
Show 21502+6144 TDT3186 153 0.8 37
Show 21518+6129 MRI 58 BC 98 2.6 38
Show 21518+6129 STI1063 AB 88 9.8 38
Show 21534+6235 STI1068 56 10.3 38
Show 21538+6237 ES 144 BD 43 23.6 38
Show 21538+6237 S 800 AB 145 62.8 39
Show 21538+6237 ES 144 AC 278 20.5 39
Show 21538+6237 PET 13 Aa,Ab 212 0.1 39
Show 21540+6237 PET 14 94 0.5 39
Show 21538+6237 PET 13 CE 290 1.2 39
Show 22005+6145 TDT3286 95 0.6 42
Show 21538+6241 PET 12 169 1.6 43
Show 21573+6118 BU 275 170 0.4 45
Show 21569+6242 ES 145 AB 204 2.8 46
Show 21569+6242 ES 145 AC 238 18.8 46
Show 21506+6024 STI1059 156 3.3 48
Show 22007+6229 KUI 110 222 1.0 51
Show 21478+6203 HU 971 AB 207 0.3 51
Show 21478+6203 HU 971 AB,C 285 9.0 51
Show 21485+6137 D 33 AB 131 3.5 51
Show 21485+6137 MLB 176 AC 277 10.6 51
Show 22014+6133 HDS3125 3 0.2 53
Show 21481+6230 ES 1858 AB 227 6.5 57
Show 21481+6230 ES 1858 AC 33 17.8 57
Show 21470+6214 STI1050 11 7.5 58
Show 22031+6214 STI1082 199 12.3 59
Show 21514+6251 LDS5933 333 2.4 59
Show 21465+6152 ES 1857 AB 209 2.9 61
Show 21465+6152 ES 1857 AC 96 18.8 61
Show 21579+6101 MLR 17 AB 22 0.2 62
Show 21579+6101 EVS 45 AC 42 18.2 62
Show 21520+6258 MLB 178 325 4.5 62
Show 22009+6250 HU 976 57 1.6 66
Show 22026+6238 STI1081 92 3.7 66
Show 21523+6306 STF2845 AB 173 2.0 70
Show 21523+6306 MAD 12 AC 207 35.4 70
Show 21474+6245 WIS 354 6 69.0 70
Show 21450+6202 STI1047 194 12.5 70
Show 22034+6233 ES 1859 94 2.6 71

 
 
WDS 21549+6159 : COMPONENTS
 
 
  A B C D
B pa=347.4°
sep=13.72"
 
C pa=19.0°
sep=18.62"
pa=65.1°
sep=9.99"
 
D pa=9.1°
sep=19.02"
pa=48.0°
sep=8.06"
pa=291.1°
sep=3.29"
 
E pa=334.8°
sep=15.94"
pa=285.4°
sep=3.93"
pa=256.1°
sep=13.23"
pa=246.0°
sep=10.70"
 
 
21549+6159 A
 
 
Coord arcsec 2000 215455.27+615916.2 Mag 11.64 Spectral class K2 (yellow-orange) PmRA -74.00
PmDE -172.0
 
 
21549+6159 B
 
 
Coord arcsec 2000 215454.85+615929.6 Mag 19 Calc delta mag 7.36 Calc coord yes
 
 
21549+6159 C
 
 
Coord arcsec 2000 215456.13+615933.8 Mag 16.5 Calc delta mag 4.86 Calc coord yes
 
 
21549+6159 D
 
 
Coord arcsec 2000 215455.70+615935.0 Mag 16.6 Calc delta mag 4.96 Calc coord yes
 
 
21549+6159 E
 
 
Coord arcsec 2000 215454.31+615930.6 Mag 18.9 Calc delta mag 7.26 Calc coord yes