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Doubles in session


Current system
21121+7700
LOC 570 AC


Nearby doubles
15' : 21140+7646
LDS1946

17' : 21159+7649
LOC 472

19' : 21175+7658
LDS1948

22' : 21087+7718
LOC 475

22' : 21092+7719
LOC 474

23' : 21066+7648
LOC 473

25' : 21168+7642
LDS1947

42' : 21121+7619
STT 436

42' : 21067+7623
KPP1325

47' : 21246+7720
LDS1951

50' : 21248+7636
LDS1952

54' : 21089+7752
LOC 476

57' : 20557+7648
UC 4331

60' : 20546+7653
LOC 460

63' : 21040+7604
SLW1229

68' : 21276+7744
LOC 486

70' : 21202+7804
KPP4234

75' : 20562+7611
UC 4336

79' : 21288+7756
HU 771

82' : 21248+7551
NSN 744

91' : 21037+7827
KPP4222

93' : 20592+7823
CON 38

95' : 20550+7547
LDS1942

96' : 21271+7822
UC 4469

97' : 21156+7836
STF2796

103' : 21278+7830
LOC 487



Selections
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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.

21121+7700 LOC 570 AC

 
 
21h 12m 08.91s +76° 59' 47.3" P.A. 109.00 sep 24.6 mag 16.90,18.70
 
 
Coord 2000 21121+7700 Discov num LOC 570 Comp AC Coord arcsec 2000 21 12 08.91 +76 59 47.3
Date first 1999 Date last 2016 Obs 6
Pa first 109 Pa last 108.6 P.A. Now (θ) 108.6°
Sep first 24.2 Sep last 24.55 Sep. Now (ρ) 24.55"
Mag pri 16.90 Mag sec 18.70 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +027 Sec motion ra +029
Pri motion dec +045 Sec motion dec +043
Notes V (Proper motion indicates physical)
rPM=0.054 (< 0.3, Physical double)
This double is physical.
 
 
21121+7700 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 12 09 +76 59 47 LOC 570 AB 2015 1 109 24.0 16.90 17.90 1.00
Show 21 12 09 +76 59 47 LOC 570 AC 2016 6 109 24.6 16.90 18.70 1.80 <===
Show 21 12 16 +76 59 39 LOC 570 BC 2015 1 83 0.6 17.90 18.70 0.80
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus
 
 
WDS 21121+7700 LOC 570 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
LOC Locatelli, G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21121+7700 LOC 570 AC 2015 5 109 24.5 16.90 18.70 V 211208.91+765947.3
21121+7700 LOC 570 AC 2016 6 109 24.6 16.90 18.70 V 211208.91+765947.3

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

 
 
WDS 21121+7700 LOC 570 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21121+7700 LOC 570 AC : MEASURES
 
 
No records found.

 
 
WDS 21121+7700 : VIRTUAL EYEPIECE
 
 

21121+7700 LOC 570A mag 16.9 21121+7700 LOC 570B sep 24.0 P.A. 109.20 mag 17.9 21121+7700 LOC 570C sep 24.6 P.A. 108.60 mag 18.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21121+7700 : ALADIN DSS IMAGE @ 21h 12m 08.91s +76° 59' 47.3"
 
 
 
 
WDS 21121+7700 LOC 570 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21121+7700 LOC 570AB distance=1' 21121+7700 LOC 570AC distance=1' 21121+7700 LOC 570BC distance=1' 21140+7646 LDS1946 distance=15' 21159+7649 LOC 472 distance=17' 21175+7658 LDS1948 distance=19' 21087+7718 LOC 475 distance=22' 21092+7719 LOC 474 distance=22' 21066+7648 LOC 473 distance=23' 21168+7642 LDS1947 distance=25' 21121+7619 STT 436 distance=42' 21067+7623 KPP1325 distance=42' 21246+7720 LDS1951 distance=47' 21248+7636 LDS1952 distance=50' 21089+7752 LOC 476 distance=54' 20557+7648 UC 4331 distance=57' 20546+7653 LOC 460 distance=60' 21040+7604 SLW1229 distance=63' 21276+7744 LOC 486 distance=68' 21202+7804 KPP4234 distance=70' 20562+7611 UC 4336 distance=75' 21288+7756 HU 771 distance=79' 21248+7551 NSN 744 distance=82' 21037+7827 KPP4222 distance=91' 20592+7823 CON 38 distance=93' 20550+7547 LDS1942 distance=95' 21271+7822 UC 4469 distance=96' 21156+7836 STF2796 distance=97' 21278+7830 LOC 487 distance=103' 21021+7855 LOC 477 distance=120' 21057+7501 TDT2739 distance=121' 21217+7902 UC 4456 distance=126' 21290+7901 TDT2985 distance=132' 20593+7455 A 878 distance=134' 21321+7507 OSW 63 distance=135' 21207+7916 LDS1950AC distance=140' 21010+7919 MLR 244 distance=143' 21002+7432 CBL 530 distance=154' 20530+7932 TDT2601 distance=163' 21249+7938 LOC 489 distance=163' 21223+7945 MLR 246 distance=169' 20597+7417 A 879 distance=170' 21138+7409 CBL 91 distance=171' 21112+7404 STF2784 distance=177' 20554+8011 LDS1943 distance=199' 21087+7342 OSO 141 distance=199' 21185+8021 STF2801 distance=203' 21113+7334 CRB 209 distance=207' 21270+7339 ZUC 15 distance=209' 21070+8030 LOC 479 distance=211' 21309+7342 MLB 425 distance=211' 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 21121+7700 LOC 570 AB 109 24.0 1
Show 21121+7700 LOC 570 AC 109 24.6 1
Show 21121+7700 LOC 570 BC 83 0.6 1
Show 21140+7646 LDS1946 35 15.1 15
Show 21159+7649 LOC 472 108 3.2 17
Show 21175+7658 LDS1948 305 8.7 19
Show 21087+7718 LOC 475 324 5.3 22
Show 21092+7719 LOC 474 350 10.6 22
Show 21066+7648 LOC 473 147 3.6 23
Show 21168+7642 LDS1947 319 165.7 25
Show 21121+7619 STT 436 227 12.0 42
Show 21067+7623 KPP1325 281 10.0 42
Show 21246+7720 LDS1951 347 2.4 47
Show 21248+7636 LDS1952 76 190.2 50
Show 21089+7752 LOC 476 53 1.2 54
Show 20557+7648 UC 4331 35 15.6 57
Show 20546+7653 LOC 460 81 6.6 60
Show 21040+7604 SLW1229 1 16.6 63
Show 21276+7744 LOC 486 337 4.2 68
Show 21202+7804 KPP4234 212 3.6 70
Show 20562+7611 UC 4336 300 22.3 75
Show 21288+7756 HU 771 193 2.6 79
Show 21248+7551 NSN 744 354 0.9 82
Show 21037+7827 KPP4222 264 2.0 91
Show 20592+7823 CON 38 237 2.5 93
Show 20550+7547 LDS1942 346 2.7 95
Show 21271+7822 UC 4469 188 9.1 96
Show 21156+7836 STF2796 42 26.7 97
Show 21278+7830 LOC 487 256 2.1 103
Show 21021+7855 LOC 477 275 3.4 120
Show 21057+7501 TDT2739 1 2.0 121
Show 21217+7902 UC 4456 353 30.2 126
Show 21290+7901 TDT2985 212 0.5 132
Show 20593+7455 A 878 48 2.9 134
Show 21321+7507 OSW 63 233 87.1 135
Show 21207+7916 LDS1950 AC 287 5.3 140
Show 21010+7919 MLR 244 188 2.5 143
Show 21002+7432 CBL 530 285 48.6 154
Show 20530+7932 TDT2601 164 4.7 163
Show 21249+7938 LOC 489 31 1.5 163
Show 21223+7945 MLR 246 47 3.1 169
Show 20597+7417 A 879 138 4.4 170
Show 21138+7409 CBL 91 168 32.7 171
Show 21112+7404 STF2784 345 14.3 177
Show 20554+8011 LDS1943 314 15.8 199
Show 21087+7342 OSO 141 156 14.7 199
Show 21185+8021 STF2801 271 2.1 203
Show 21113+7334 CRB 209 143 22.0 207
Show 21270+7339 ZUC 15 167 1.9 209
Show 21070+8030 LOC 479 209 3.5 211
Show 21309+7342 MLB 425 338 2.0 211

 
 
WDS 21121+7700 : COMPONENTS
 
 
  A B
B pa=109.2°
sep=23.99"
 
C pa=108.6°
sep=24.55"
pa=84.6°
sep=0.62"
 
 
21121+7700 A
 
 
Coord arcsec 2000 211208.91+765947.3 Mag 16.9 PmRA 27.00 PmDE 45.0
 
 
21121+7700 B
 
 
Coord arcsec 2000 211215.62+765939.4 Mag 17.9 PmRA 27.00 PmDE 48.0
Delta magnitude 1 Coordinate calculated yes
 
 
21121+7700 C
 
 
Coord arcsec 2000 211215.80+765939.5 Mag 18.7 PmRA 29.00 PmDE 43.0
Delta magnitude 1.8 Coordinate calculated yes